Henderson County, TN: No Building Permit

Unincorporated Henderson County, Tennessee does not require a residential building permit¹. Inside Lexington, the city requires building permits and enforces municipal zoning; new construction and buildings altered in use or structure need a certificate of occupancy before use². TDEC handles septic permits and inspections across Henderson County, including city addresses; zoning outside city limits remains unconfirmed^3,4.

At a glance

Building permit: Not required for a home in unincorporated areas; Lexington requires a building-permit request^1,5
Zoning: Unincorporated status unconfirmed; Lexington enforces municipal zoning^4,6
Septic permit: TDEC handles permits and final inspections for new systems, modifications and repairs^7,8,9
RV or tiny-home living: Unconfirmed; ask the county government about occupancy, setbacks and minimum dwelling size^4,10
Owner-builder rule: An owner may build one residence for personal use every two years, subject to licensing conditions¹¹
Floodplain development: Local review may be required in mapped flood-hazard areas outside city limits¹²
State-highway driveway: A TDOT permit is required before construction, modification or a change in use on state right-of-way¹³

Who to call

Septic permits

TDEC Jackson Environmental Field Office

Septic-related inquiries for Henderson County

731-441-5593

1625 Hollywood Drive, Jackson, TN 38305

Online permits →

Also useful

Henderson County Government

General county contact for confirming building, zoning and parcel-specific local requirements

+1 731 968 0122

17 Monroe Street Suite #4 Lexington, TN 38351

One more officeRoads & driveways

Roads & driveways

Henderson County Highway Department

County roads and rights of way

(731) 968-9201

vineyard.steve@hendersoncountytn.gov

16075 Highway 412 East Lexington, TN 38351

Contact details are copied from each office’s official page and were checked against it on October 10, 2026.

Do you need a building permit in Henderson County, Tennessee?

Unincorporated Henderson County does not require a residential building permit.

Unincorporated Henderson County does not require a residential building permit¹. Tennessee's statewide residential code program applies only in covered jurisdictions, while local governments remain responsible for locally adopted codes; the state residential permit does not provide zoning, septic, sewer, electrical, grading or floodplain approval¹⁴. An owner in a non-code jurisdiction may instead request a State Fire Marshal inspection; a qualifying one- or two-family dwelling receives a state certificate of occupancy only if it meets statewide safety standards¹⁴. Separate septic permits, local floodplain review and state-highway driveway approval still apply where required^8,12,13. Inside Lexington, applicants submit a building-permit request and plans to the city Codes Department, which enforces adopted building codes^2,6. Lexington prohibits use of new construction or buildings altered in use or structure until the Building Inspector issues a certificate of occupancy confirming conformity with the ordinance².

Who issues building permits in Henderson County, Tennessee?

Unincorporated Henderson County has no residential building permit to issue.

Unincorporated Henderson County has no residential building permit to issue¹. Inside Lexington, the City Building and Planning Department supplies the building-permit application and enforces building codes and municipal zoning^2,15. City authority does not take over septic: TDEC's Division of Water Resources administers the septic-permit process, and the Jackson Environmental Field Office lists Henderson County for septic inquiries^3,7,9. Henderson County Government remains the contact for questions about unincorporated zoning and parcel-specific local requirements^4,10. For county-road frontage or right-of-way questions, contact the Henderson County Highway Department and ask whether an entrance standard applies¹⁶. A driveway connecting to state highway right-of-way requires a TDOT driveway permit¹³.

Does Henderson County, Tennessee have zoning?

We could not confirm whether unincorporated Henderson County has county zoning, so ask Henderson County Government whether a rural parcel has setbacks, lot-size, height or use limits.

We could not confirm whether unincorporated Henderson County has county zoning, so ask Henderson County Government whether a rural parcel has setbacks, lot-size, height or use limits^4,10. Lexington has municipal zoning: the City Building and Planning Department enforces the zoning ordinance, and the published ordinance divides land inside the city into 14 districts^2,17. Lexington's dimensional rules vary by district and use². The city department also enforces subdivision regulations inside Lexington¹⁵. Separate subdivision regulations extend through Lexington's planning region, where a covered plat must receive Planning Commission approval before recording with the County Register¹⁸. Scotts Hill has municipal land-use controls covering flood-damage prevention and subdivision standards; a conventional zoning-district schedule was not confirmed¹⁹. Septic permitting remains with TDEC in both Lexington and Scotts Hill^20,21.

How do septic permits work in Henderson County?

TDEC administers the statewide septic program and handles Henderson County unless a documented contract-county arrangement applies; Henderson County is not among the listed contract counties.

TDEC administers the statewide septic program and handles Henderson County unless a documented contract-county arrangement applies; Henderson County is not among the listed contract counties^3,7. A septic permit is required before installing a new system or modifying or repairing an existing system, and it should be secured before dirt work or construction of a building pad begins⁸. Apply through the state's online septic service request; the site evaluation may require a site plan or soils map, and the house location and property lines must be marked⁸. Processing can take up to 45 days after a complete application, and the fee varies with system size and type⁸. After installation, the installer must contact the local Environmental Scientist for final inspection before covering the system; TDEC issues a Certificate of Completion if approved³. Henderson County's soil data rates 0% of mapped soils as free of severe limitations for a conventional drain field, so make septic feasibility an early contract contingency²².

Can you live in an RV or tiny home in Henderson County?

We could not confirm a Henderson County rule that allows or prohibits living in an RV or tiny home on private land, and zoning in unincorporated areas remains unconfirmed.

We could not confirm a Henderson County rule that allows or prohibits living in an RV or tiny home on private land, and zoning in unincorporated areas remains unconfirmed⁴. Before buying, ask Henderson County Government whether the parcel is covered by rules for RV occupancy, temporary camping, minimum dwelling size, manufactured homes, accessory dwellings or setbacks^4,10. A tiny home used as a residence still needs a septic permit when a system is installed, modified or repaired⁸. Lexington enforces municipal zoning and imposes placement, construction and utility requirements on manufactured residential dwellings, including a permanent masonry foundation and connections to electricity, water and sewer^6,17. Ask Henderson County Government about unincorporated occupancy rules and TDEC about off-grid sanitation or private-well requirements, which we could not confirm^9,10.

What are the steps to build a home in Henderson County?

Confirm whether the parcel is inside Lexington, its planning region or unincorporated Henderson County because building-permit, zoning and subdivision processes differ.

Confirm whether the parcel is inside Lexington, its planning region or unincorporated Henderson County because building-permit, zoning and subdivision processes differ^1,15,18.

For unincorporated land, ask Henderson County Government whether county zoning or floodplain review applies; no residential building permit is required^1,4,10,12.

Inside Lexington, submit the building-permit request and plans to the city Codes Department, then obtain the city's certificate of occupancy before using new construction or a building altered in use or structure².

Arrange septic feasibility before dirt work, then submit the TDEC service request with the site marked and accessible^3,8.

Budget for a variable septic fee; have the installer contact the local Environmental Scientist and leave the system uncovered for final inspection^3,8.

Confirm county-road access with the Highway Department, or obtain a TDOT driveway permit for state highway right-of-way^13,16.

If acting as owner-builder, follow Tennessee's personal-use and contractor-licensing conditions¹¹.

What should you check before buying land in Henderson County?

Verify the parcel's jurisdiction first because Lexington's codes and planning-region subdivision rules can differ from requirements elsewhere in Henderson County.

Verify the parcel's jurisdiction first because Lexington's codes and planning-region subdivision rules can differ from requirements elsewhere in Henderson County^15,18. Ask Henderson County Government about zoning status and local floodplain review; development in mapped flood-hazard areas outside city limits may be subject to locally managed requirements^10,12. Make septic feasibility a contract contingency because 0% of mapped county soils are rated free of severe limitations for a conventional drain field²². Confirm legal and physical access with the Henderson County Highway Department for county-road frontage; a driveway on state highway right-of-way requires TDOT approval^13,16. The county is 62.9% wooded and 67.3% of its land is at a slope of 15% or less, useful context for site layout rather than proof that a tract is buildable²². The median property-tax bill is about $732 at an effective rate near 0.5%²².

Watch-outs

Countywide zoning remains unconfirmed, and Lexington's subdivision jurisdiction can extend into its planning region outside the city limits^4,18.
No residential building permit in unincorporated Henderson County does not remove separate septic-permit, floodplain or driveway requirements^1,8,12,13.
The septic installer must contact the local Environmental Scientist for final inspection before the system is covered³.

Sources

22 official pages, each quoted and re-checked · written October 10, 2026

Written October 10, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

Off-grid gear

Going off-grid in Henderson County means bringing your own water and power. The kit we’d start with:

These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.

Rule	Henderson County	Decatur County	Chester County	Carroll County	Madison County	Perry County	Benton County
Building permit	Not required	Not required	Required	Not required	Required	Not required	Limited
County zoning	Not published	No	Yes	Not published	Yes	Not published	Yes
Septic permits	TDEC	TDEC	TDEC	TDEC	TDEC	TDEC	TDEC

Rule

Henderson County

Building permit

Not required

Required

Not required

Required

Not required

Limited

County zoning

Not published

Yes

Not published

Yes

Not published

Yes

Septic permits

TDEC

Answers from the rulebook for Henderson County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Henderson County rules

Building in a floodplainLimited
Development outside city limits in mapped flood hazard areas of Henderson County.
- Floodplain development requirements are managed locally.
- Local review may be required before development begins.
- Requirements vary by community and are based on the local floodplain management ordinance and mapped flood zones.
“Floodplain development requirements are managed locally.”
Statewide Floodplain Administrator Directory ↗Re-checked Sep 26, 2026

Tennessee rules that apply here

Building permitLimited
State residential building permits for one- and two-family dwellings and townhouses in Tennessee jurisdictions where the State Fire Marshal's Office administers the residential building permit program.
- The state permit is required only in some areas because other jurisdictions may enforce local residential building codes.
- A county legislative body may remove unincorporated areas from the state program or a city legislative body may remove the city by a two-thirds vote.
- The state permit does not replace grading or fill approval, floodplain compliance, septic or sewer permits, electrical permits, or zoning approval.
- Local governments remain responsible for locally adopted codes and other requirements.
“Why is the state residential building permit only required in some areas of the state?”
Residential Permit FAQs ↗Re-checked Sep 12, 2026
Owner-builder exemptionConditional
A Tennessee property owner constructing a single residence for the owner's individual use.
- The owner may have one permit every two years.
- The residence must not be for sale, lease, or rent.
- If the owner hires a contractor, the contractor is a prime and must be licensed and obtain the building permit for inspections.
- Contracts may not be split into phases to circumvent the licensing law.
- Anyone paid more than $25,000 by the owner is considered a prime and must be licensed.
- The exemption is based on TCA 62-6-103 and Rule 0680-1-.22.
owner permits: per 1 permit per two years · contractor payment threshold: > 25000 USD (Anyone paid in excess of this amount is considered a prime and must be licensed.)
“one permit every two years to build their home as long as it is not for sale, lease, or rent (individual use).”
Can I build my own home without a license? ↗Re-checked Sep 12, 2026
One more reviewed finding on this topic
- Available (with conditions) — An owner constructing a single residence for the owner's own use.
  “an owner of property may construct a single residence once every two years”
  tn.gov ↗Re-checked Sep 26, 2026
Building code adoptedPartial
Tennessee State Fire Marshal's Office residential building-code standards for one- and two-family dwellings and townhomes statewide, except where a qualifying local government enforces its own current residential code or has opted out.
- The State Fire Marshal's Office has adopted the 2018 International Residential Code with amendments.
- For one- and two-family dwellings and townhomes, the adopted energy code is the 2018 International Energy Conservation Code with amendments.
- The statewide program applies only in areas that have not received an exemption from the State Fire Marshal's Office because local building codes are enforced by the local government or opted out of state residential building codes and enforcement by a two-thirds vote of the city or county legislative body.
- A qualifying local jurisdiction may continue operating its own program if its building code is current within seven years of the most recent edition; other versions may be approved in writing by the State Fire Marshal's Office.
- A county legislative body may vote to remove unincorporated areas of the county from the state program, and a city legislative body may vote to remove the city from the state program.
- A city or county may opt out by passage, by a two-thirds vote, of a resolution exempting the city or county; the opt-out resolution expires 180 days following the date of the election for the city or county's legislative body.
- If the subsequent legislative body does not vote to opt out before the resolution expires, the State Fire Marshal's Office begins enforcing the residential building-code requirements until the city or county enforces residential building codes or passes another opt-out resolution.
- The State Fire Marshal's Office enforces only the codes it adopts; local governments enforce other locally adopted codes or requirements.
- The state residential building permit is a building permit only and is not grading or fill approval, floodplain compliance, a septic or sewer permit, an electrical permit, or zoning approval.
- The permit fee is based on the cost of construction and covers all required inspections and one free re-inspection; additional re-inspections cost $100 each.
International Residential Code edition: 2018 (with amendments) · International Energy Conservation Code edition for one- and two-family dwellings and townhomes: 2018 (with amendments) · local-code currency window: <= 7 years (other versions can be approved in writing by the State Fire Marshal's Office) · opt-out vote: two-thirds vote (resolution expires 180 days following the date of the election for the city or county's legislative body) · additional re-inspection fee: 100 USD (one re-inspection per permit is free)
“The codes currently adopted by the Tennessee State Fire Marshal’s Office are: [...] International Residential Code (IRC), 2018 edition, published by the ICC, with amendments;”
Tennessee State Fire Marshal's Office Currently Adopted Codes ↗Re-checked Oct 5, 2026
One more reviewed finding on this topic
- Partial — One- and two-family residential construction in Tennessee, including Henderson County locations where the State Fire Marshal program applies.
  “statewide building construction safety standards”
  Statewide Building Construction Code Inspections in Opt-Out or Non-Code Jurisdictions ↗Re-checked Sep 26, 2026
InspectionsLimited
One- and two-family dwellings and townhouses in areas of Tennessee where the State Fire Marshal's residential building code enforcement program applies (not areas with locally enforced codes under an exemption, and not opt-out jurisdictions).
- Program does not apply where the local government has received an exemption from the State Fire Marshal's Office by enforcing local building codes.
- Program does not apply where the city or county legislative body opted out by a 2/3 vote; in opt-out jurisdictions an owner may request a State Fire Marshal inspection (Tenn. Code Ann. 68-120-101(b)(1)(d)) and receive a certificate of occupancy if standards are met.
- The page lists inspections of the foundation before pouring, framing/rough-in and final; this record does not state a fixed minimum count, and whether any inspection may be waived was not located on the pages opened.
- A slab inspection is not required for garages or unfinished basements; an additional slab inspection fee applies if the slab under living space is not a monolithic pour.
- One free re-inspection per project if a required inspection is not passed the first time; additional re-inspections require a fee.
- Detached garages, sheds, barns and other detached structures not used for living purposes do not need a state residential building permit.
- Inspections are performed by state contracted inspectors and scheduled at core.tn.gov.
inspection stages: foundation before pouring; framing/rough-in; final (slab inspection not required for garages or unfinished basements; waiver rules not confirmed)
“inspections are performed of the foundation prior to pouring, the framing/rough-in construction and the final construction.”
Residential Permits - Tennessee State Fire Marshal's Office ↗Re-checked Nov 6, 2026
One more reviewed finding on this topic
- Required — Residential construction subject to the Tennessee State Fire Marshal residential permit program.
  “Three inspections will be required: the foundation prior to pour, the rough-in/framing, and at final construction. If your foundation is to be a concrete slab under a living space with separately poured footing, you will need a fourth inspection. After October 1, 2011, inspections will also be required on plumbing and mechanical systems.”
  Residential Permit FAQs ↗Re-checked Sep 26, 2026
Certificate of occupancyLimited
One- and two-family dwellings in opt-out or non-code jurisdictions when the State Fire Marshal inspects and determines compliance.
- The owner must request the inspection.
- A Certificate of Occupancy is released only if the dwelling is determined to meet statewide building construction safety standards.
“In 2017, the Tennessee General Assembly passed a law that allows an owner of a building, structure or premises located within an “opt-out” or “non-code” jurisdiction to request the State Fire Marshal’s Office to inspect the building, structure or premises to determine if it meets the statewide building construction safety standards. [...] If the one- or two-family dwelling is determined to meet the statewide building construction safety standards, the State Fire Marshal’s Office will release a Certificate of Occupancy, often referred to as a “CO.””
Statewide Building Construction Code Inspections in Opt-Out or Non-Code Jurisdictions ↗Re-checked Sep 26, 2026
One more reviewed finding on this topic
- Limited — Certificates of occupancy for one- and two-family dwellings in Tennessee opt-out or non-code jurisdictions when the State Fire Marshal's Office inspects the dwelling during construction.
  “determined to meet the statewide building construction safety standards, the State Fire Marshal’s Office will release a Certificate of Occupancy”
  Statewide Building Construction Code Inspections in “Opt-Out” or “Non-Code” Jurisdictions ↗Re-checked Sep 12, 2026
Camping on your landLimited
Overnight camping on Tennessee Wildlife Resources Agency-controlled Wildlife Management Areas and related lands where overnight camping is allowed.
- Overnight camping may be permitted only in designated areas and by permission from the area manager, park ranger, lake manager, park superintendent, or national forest supervisor.
- Camping is subject to limitations prescribed in the permit if required.
- Camping may not exceed three weeks from the beginning to the end of the camping stay.
- Owner contact information or a TWRA ID number and date of arrival must be displayed on a camper, tent, vehicle, or similar item at all times.
- Where overnight camping is allowed, firearms and archery equipment must remain in camp except during legal hunting hours.
maximum camping stay: <= 3 weeks
“May be permitted in designated areas by permission from the area manager, park ranger, lake manager, park superintendent, or national forest supervisor. Such camping is subject to the limitations prescribed in the permit if required.”
Wildlife Management Areas in Tennessee ↗Re-checked Oct 1, 2026
One more reviewed finding on this topic
- Limited — Camping and use of trailers or other camper units in Tennessee state forests administered by the Tennessee Department of Agriculture, Division of Forestry.
  “Camping and the use of trailers or other camper units are allowed only at designated locations. The district forester will issue written permits to persons to camp in backcountry or other isolated sections of a forest area.”
  Forestry Rules and Regulations ↗Re-checked Oct 1, 2026
Tiny homesAllowed (with conditions)
Preassembled permanent tiny homes delivered to a homeowner as a completed unit, including a tiny home built off-site on a chassis or installed on a permanent foundation.
- The State Fire Marshal’s Office says its inspection program allows construction, inspection, and permanent consumer use of tiny homes and similar structures.
- The program inspection is described as similar to inspections of a site-built home and provides a decal reflecting compliance with adopted statewide building and electrical codes.
- State residential-code regulations apply to new construction; additions over 30 square feet have been covered since October 1, 2011.
- A state residential building permit is not zoning approval and does not authorize violation of a local ordinance; local zoning or other local requirements may independently control placement or occupancy.
- If a subsurface sewage system will serve the residence, a conventional septic-system permit is required for installation of a conventional system or approved substitute product; an alternative-system permit is required for installation of an alternative system.
- If a water well is drilled or a well pump or water-treatment device is installed, the work must be performed by a licensed person.
addition area triggering state residential-code regulation: > 30 square feet (Applies to additions beginning October 1, 2011.)
“The new tiny home inspection program was developed to allow for the construction, inspection and use of tiny homes and similar structures for permanent use by consumers.”
SFMO Program, Inspectors Help Ensure Tiny Homes Are Fire Safe ↗Re-checked Nov 4, 2026
Manufactured homesLimited
HUD-labeled manufactured homes installed in Tennessee under the state manufactured-housing program.
- Manufactured homes must be installed by licensed installers and have an installation decal applied after setup.
- A state residential building permit is not required merely to place a manufactured or modular home in the state program, but a Manufactured/Modular Site Work Permit is required for a custom addition, site-built deck, porch, or stoop next to the home.
- A state residential building permit is not zoning approval and does not authorize violation of a local ordinance; local zoning or other local requirements may independently control siting or occupancy.
- If a subsurface sewage system will serve the residence, state septic-system permitting applies.
“Ensure your application is approved and your license is active prior to installing any manufactured home in the state of Tennessee”
Residential Permit FAQs ↗Re-checked Nov 4, 2026
Who permits septicMixed (with conditions)
Tennessee subsurface sewage disposal system construction permitting and related SSDS administration statewide.
- The Tennessee Division of Water Resources administers SSDS permitting in non-contract counties.
- Permit packages and Certificate of Completion packages for sites in contract counties are submitted directly to the contract county.
- The listed contract counties are Blount, Davidson, Hamilton, Jefferson, Knox, Madison, Sevier, Shelby, and Williamson.
- Installer permits are valid statewide, but contract counties may require an additional permit.
“Permit packages and Certificate of Completion Packages for sites located in the contract counties listed below should be submitted directly to the contract county.”
Septic System Construction Permit ↗Re-checked Oct 5, 2026
3 more reviewed findings on this topic
- State — Subsurface sewage disposal systems in Henderson County, which is not identified as a Tennessee contract county on the cited state page.
  “Completed application forms and application fees should be sent to the Division of Water Resources”
  Licensed Installers & Pumpers ↗Re-checked Sep 30, 2026
- Mixed (with conditions) — Tennessee subsurface sewage disposal system permitting and related services, including properties in Henderson County unless a documented contract-county arrangement applies.
  “If the county is listed as "CONTRACT COUNTY", those counties have their own septic system assistance services.”
  Online Application for Septic Related Services ↗Re-checked Sep 30, 2026
- Mixed (with conditions) — Statewide subsurface sewage disposal system permitting and assistance, with specified contract counties providing ground water protection services in their own areas.
  “NOTE: Some counties provide ground water protection services for their own areas. The online application form is not to be submitted for services requested in the following metropolitan or contact counties: Blount County, Davidson County/Nashville, Hamilton County, Jefferson County, Knox County, Madison County, Sevier County, Shelby County, Williamson County.”
  Online Application for Septic Related Services ↗Re-checked Oct 5, 2026
Septic permitRequired
Construction, installation, modification, or repair of residential, commercial, or industrial septic systems in Tennessee.
- A permit is required before construction, modification, or repair.
- A septic system permit should be obtained before starting dirt work or construction of any building, including the building pad.
- Repair permits have no permit fee.
- Alternative systems require an extra-high intensity soils map prepared by a Tennessee-licensed soils consultant.
- Contract counties may require an additional permit.
new conventional SSDS permit fee: 400 USD up to 1000 gallons per day design flow ($100 for each additional 1000 gpd flow) · new alternative SSDS permit fee: 500 USD up to 1000 gallons per day design flow ($150 for each additional 1000 gpd flow) · experimental SSDS permit fee: 500 USD · repair permit fee: 0 USD (Repair construction inspection fee is $100)
“A septic system permit is required for the construction, modification or repair of a septic system. This permit ensures that the septic system design complies with state regulations and safeguards your health by properly managing wastewater.”
Septic System Construction Permit ↗Re-checked Oct 5, 2026
2 more reviewed findings on this topic
- Required — Installation of a subsurface sewage disposal system or repair of an existing faulty system in Henderson County.
  “Permitting for: Installation of subsurface sewage disposal (septic) system on your property Repair to an existing faulty system”
  Subsurface Sewage Disposal System (SSDS) Permits ↗Re-checked Sep 29, 2026
- Required — Construction, modification, or repair of septic systems in Tennessee, including Henderson County where the state SSDS requirement applies.
  “A septic system permit is required for the construction, modification or repair of a septic system.”
  Subsurface Sewage Disposal System (SSDS) Frequently Asked Questions ↗Re-checked Sep 30, 2026
Septic inspectionRequired
Installation of subsurface sewage disposal systems in Tennessee.
- The installer must notify the Division when installation is complete.
- A final inspection is scheduled before the system is covered.
- TDEC inspects each SSDS installation for compliance with permit conditions and regulatory requirements.
- Inspection fees vary by system type: $100 for new conventional or large-diameter graveless pipe systems, $200 for alternative systems, and $100 for repair construction inspections.
new conventional construction inspection fee: 100 USD · alternative construction inspection fee: 200 USD · repair construction inspection fee: 100 USD
“The applicant or SSDS installer must notify the Division when a system has been installed so that it can be inspected and approved.”
Subsurface Sewage Disposal System (SSDS) Frequently Asked Questions ↗Re-checked Oct 5, 2026
2 more reviewed findings on this topic
- Required — Permitted septic system installations in Henderson County.
  “schedule a final inspection before the system is covered”
  Subsurface Sewage Disposal System Frequently Asked Questions ↗Re-checked Sep 26, 2026
- Required — Final inspection of septic installations in Henderson County.
  “The Division inspects each SSDS installation”
  Subsurface Sewage Disposal System Frequently Asked Questions ↗Re-checked Sep 30, 2026
Off-grid sanitationLimited
Construction, modification, or repair of an on-site subsurface sewage disposal (septic) system, including systems serving residential, commercial, and industrial properties in Tennessee.
- A septic-system permit is required for construction, modification, or repair.
- An applicant planning a new system, or repair or modification of an existing system, must apply for a permit.
- A TDEC Environmental Scientist conducts a site evaluation and may request a detailed site plan or soils map from a private licensed soil consultant.
- If a permit is issued, the applicant provides it to a licensed installer; after installation, the installer contacts the local Environmental Scientist for a final inspection before the system is covered.
- A Certificate of Completion is issued if the installation is approved.
“A septic system permit is required for the construction, modification or repair of a septic system.”
Subsurface Sewage Disposal System (SSDS) Frequently Asked Questions ↗Re-checked Nov 4, 2026
Well permitRequired
Drilling a water well for production of water from underground sources in Tennessee.
- Before drilling, the property owner or licensed well driller must submit a Notice of Intent to the Director in the Department-prescribed manner.
- A driller must have documentation that the Notice of Intent was submitted to the Division of Water Resources before beginning operations at a drill site.
- The Notice of Intent fee or a receipt must accompany the driller's report; no well or borehole may be drilled unless the driller has documentation that a Notice of Intent has been filed.
- A Notice of Intent and fee are not required for well closure, deepening, or reworking of a water well or closed-loop geothermal borehole.
- The Notice of Intent fee requirement does not apply in a qualifying local jurisdiction authorized to regulate well location and construction that has a Commissioner-approved inspection fee.
- The Notice of Intent fee does not apply when the property owner filed a notice and paid the fee for the same property within the previous five years, provided the new notice identifies the first notice's identification number.
- A Notice of Intent expires 180 days after its original filing date.
Notice of Intent fee for water wells for production of water per property site: 75 USD (Not required for qualifying local jurisdictions or when the same property satisfies the five-year prior-notice exception.) · Notice of Intent expiration: 180 days
“A Notice of Intent to drill a water well must be submitted by the property owner or the licensed well driller to the Director in the manner prescribed by the Department, prior to commencement of drilling a water well in Tennessee.”
Tennessee Department of Environment and Conservation Rule 0400-45-09, Water Well Licensing Regulations and Well Construction Standards ↗Re-checked Nov 4, 2026
Mandatory utility hookupConditional
Connection of buildings to sanitary sewer systems where a qualifying Tennessee utility system has issued bonds payable for sewer services and the property abuts a street or public way containing a sanitary sewer.
- The property must abut a street or other public way containing a sanitary sewer.
- A building must exist on the lot or parcel for residential, commercial, or industrial use.
- The utility system may require connection and cessation of other sewage-disposal methods.
- For electrical service, written notification must show public sewer service, a septic permit application, or an existing septic system.
“Utility systems within the State of Tennessee that have issued bonds payable for sewer services are granted authority in TCA § 7-35-201 (1) to "require the owner tenant or occupant of each lot or parcel of land that abuts upon a street or other public way containing a sanitary sewer and upon which lot or parcel a building exists for residential, commercial or industrial use, to connect the building with the sanitary sewer and to cease to use any other means for the disposal of sewage, sewage waste or other polluting matter."”
comptroller.tn.gov ↗Re-checked Oct 5, 2026
One more reviewed finding on this topic
- Sewer (with conditions) — Residential, commercial, or industrial buildings on lots or parcels abutting a street or other public way containing a sanitary sewer, where the applicable Tennessee utility system has issued bonds payable for sewer services.
  “Utility systems within the State of Tennessee that have issued bonds payable for sewer services are granted authority in TCA § 7-35-201 (1) to "require the owner tenant or occupant of each lot or parcel of land that abuts upon a street or other public way containing a sanitary sewer and upon which lot or parcel a building exists for residential, commercial or industrial use, to connect the building with the sanitary sewer and to cease to use any other means for the disposal of sewage, sewage waste or other polluting matter."”
  Utility Customers Frequently Asked Questions ↗Re-checked Sep 12, 2026
Agricultural exemptionConditional
Buildings or structures on land used for agricultural purposes and subject to county zoning regulation in Tennessee.
- The building or structure must be located on lands devoted to agricultural uses.
- The building or structure must be incidental to the agricultural enterprise.
- The exemption does not apply to agricultural lands adjacent or in proximity to state or federal-aid highways, public airports, or public parks.
- The exemption does not apply to land located within the one-hundred-year flood plain.
- The Attorney General opinion states that the provision applies to counties only and has no application to municipalities.
- There is no blanket exemption for cotton gins, grain elevators, slaughterhouses, processing plants, or milk bottling plants; those structures qualify only when the statutory conditions are met.
“it must be located on lands “devoted to agricultural uses;” and (2) it must be “incidental to the agricultural enterprise.””
Exemption from County Zoning Regulation for Buildings on Land Used for Agriculture, Opinion No. 22-07 ↗Re-checked Sep 12, 2026
Shed and accessory-building permit exemptionAvailable (with conditions)
State residential building permits for detached garages, sheds, barns, and other detached structures that are not used for living purposes.
- This is an exemption from the state residential building permit, not an exemption from all state or local requirements.
- The State Residential Building Code Enforcement Program applies only in areas that have not received an SFMO exemption through local-code enforcement and have not opted out by a two-thirds vote of the city or county legislative body.
- The exemption stated by the Department is limited to detached structures not used for living purposes; the opened official page does not state an accessory-structure size threshold.
- The state residential building permit is not zoning approval and does not authorize violation of state law, regulation, or local ordinance.
“A state residential building permit is not required for detached garages, sheds, barns or other detached structures that are not used for living purposes.”
Residential Permits ↗Re-checked Nov 4, 2026
Driveway accessLimited
Construction, modification, revision, or change in use of a driveway on Tennessee state highway right-of-way.
- The requirement applies to state highway right-of-way and does not establish a permit requirement for every driveway on every road.
- Property owners must obtain the permit from TDOT.
- County or municipal land-use regulations may also apply.
“Under state law, a permit is required before construction of a driveway on state highway right-of-way, including the modification, revision, or change in use”
Highway Entrance Permits ↗Re-checked Sep 12, 2026
One more reviewed finding on this topic
- Required — Driveways connecting to state highway right-of-way in Henderson County.
  “a permit is required before construction of a driveway on state highway right-of-way”
  Highway Entrance Permits ↗Re-checked Sep 30, 2026
Permit feesPublished (with conditions)
Residential building permits administered by Tennessee's State Residential Building Code Enforcement Program for one- and two-family dwellings and townhouses where the state program applies.
- The state program does not apply where a local government enforces local building codes under an exemption or where the city or county has opted out by a two-thirds vote.
- For construction costs above the maximum listed in the table, an additional fee of $50.00 applies for each additional $50,000 or fraction thereof.
- The construction cost cannot be less than $60.57 per heated square foot of construction.
- An HVAC and Plumbing Inspection is required for all new construction.
- A slab other than Monolith Pour Inspection is required when slab and footing are cast separately.
permit fee for construction cost $0 to $5,000: 100 USD · permit fee for construction cost $5,001 to $100,000: 350 USD · additional fee for plumbing and HVAC inspection: 100 USD (Applicable as stated in the fee table.) · additional fee for slab other than monolith pour: 100 USD (Applicable when slab and footing are cast separately.)
“$0 to $5,000 | $100 | $100 | $100 $5,001 to $100,000 | $350 | $100 | $100”
Residential Building Permit Fees ↗Re-checked Sep 12, 2026
2 more reviewed findings on this topic
- Published (with conditions) — Tennessee residential building permits where the state program applies.
  “an additional fee of $50.00 for each additional $50,000 or fraction thereof”
  Residential Building Permit Fees ↗Re-checked Sep 26, 2026
- Variable — Tennessee septic-system permit fees applicable in Henderson County.
  “varies depending on the size and type of system”
  Subsurface Sewage Disposal System Frequently Asked Questions ↗Re-checked Sep 30, 2026
Permit processPublished (with conditions)
Residential permit purchase and inspection process under Tennessee's State Residential Building Code Enforcement Program.
- The state program applies to one- and two-family dwellings and townhouses only in areas without the stated local-code exemption or opt-out.
- A first-time CORE user must register for an account.
- A building permit must be purchased online or at a local Issue Agent.
- Inspections cover the foundation before pouring, framing/rough-in construction, and final construction.
- One free re-inspection is available; each additional re-inspection requires an additional fee.
- A homeowner may build a home only if it will be the homeowner's residence, not sold or leased, and the homeowner has not received a homeowner building permit during the preceding 24 months.
- Detached garages, sheds, barns, and other detached structures not used for living purposes do not require a state residential building permit.
- A permit is not required for installation of a manufactured or modular home, but custom site work such as a deck, patio, or stoop requires a permit.
effective date for permit requirement for additions over 30 square feet: 2011-10-01 (Applies to additions to existing homes.) · free re-inspections per project: 1 inspection (Available if a required inspection is not passed the first time.)
“A building permit must be purchased online or at a local Issue Agent. The cost of the building permit is based on the estimated cost”
Residential Permits ↗Re-checked Sep 12, 2026
2 more reviewed findings on this topic
- Partial — State residential building permits in Tennessee jurisdictions covered by the State Fire Marshal program.
  “CORE is the Comprehensive Online Regulatory & Enforcement System that Commerce and Insurance uses for managing licenses, certifications, registrations and permits. First-time users will need to register for a new account. This account will be used to purchase and service permits, including printing your permit and requesting inspections.”
  Apply for a Residential Permit ↗Re-checked Sep 26, 2026
- Published — TDEC septic-permit process applicable in Henderson County.
  “up to 45 days from receipt of a complete application”
  Subsurface Sewage Disposal System Frequently Asked Questions ↗Re-checked Sep 30, 2026
county zoning authorityGeneral
County legislative bodies adopting zoning regulations for portions of Tennessee counties outside municipal corporations.
- The authority is exercised under the conditions and procedures in Tennessee Code Annotated §§ 13-7-101 through 13-7-119.
- The grant applies to portions of counties outside municipal corporations.
- County zoning authority does not authorize county building permits or regulation of buildings or structures on agricultural land when the building or structure is incidental to the agricultural enterprise, except on agricultural lands adjacent or in proximity to state federal-aid highways, public airports or public parks.
- The agricultural-land limitation applies to counties only and has no application to municipalities.
“Under Tenn. Code Ann. § 13-7-101, et seq., the General Assembly has expressly delegated the authority to county legislative bodies to enact zoning regulations and create a board of zoning appeals.”
Tennessee Attorney General Opinion No. 10-108 ↗Re-checked Sep 21, 2026

Inside cities and towns in Henderson County

Municipal rules found while researching the county. They apply inside that city or town, not to unincorporated land.

Building permitRequired
Building construction in Lexington.
- Applicants submit a permit request to the Codes Department.
- The cited process also requires engineer drawings and plans.
“Building Permit Application City Of Lexington 33 First Street Lexington TN 38351 Property Owner: ________________________________________________________________ Permit Requested by: ____________________________________________________________ Property Address: _______________________________________________________________”
Building Permit Application ↗Re-checked Oct 4, 2026
Building code adoptedAdopted
Construction within Lexington, Henderson County.
- The page lists the current codes followed by Lexington; applicability outside Lexington was not established.
“Current building code is followed: 2024 International Building Code 2024 International Residential Code 2024 International Mechanical Code 2024 International Plumbing Code 2024 International Fuel Gas Code 2024 International Fire Code”
Lexington Planning & Codes ↗Re-checked Oct 4, 2026
One more reviewed finding on this topic
- Adopted — Building-code enforcement in the City of Lexington.
  “Current building code is followed: 2024 International Building Code 2024 International Residential Code 2024 International Mechanical Code 2024 International Plumbing Code 2024 International Fuel Gas Code 2024 International Fire Code”
  Planning and Codes ↗Re-checked Sep 29, 2026
Certificate of occupancyRequired
Land and buildings erected or altered in use or structure within the City of Lexington.
- Use is prohibited until the Building Inspector issues the certificate.
- The Building Inspector must conduct a final inspection within three days after notification of readiness.
- The certificate depends on conformity with the ordinance.
“No land or building or part thereof hereafter erected or altered in its use or structure shall be used until the Building Inspector shall have issued a certificate of occupancy stating that such land, building or part thereof and the proposed use thereof are found to be in conformity with the provisions of this Ordinance.”
Lexington Zoning Ordinance enforcement provisions ↗Re-checked Sep 29, 2026
One more reviewed finding on this topic
- Required — Completed new construction in Lexington.
  “No land or building or part thereof hereafter erected or altered in its use or structure shall be used until the Building Inspector shall have issued a certificate of occupancy stating that such land, building or part thereof and the proposed use thereof are found to be in conformity with the provisions of this Ordinance.”
  Coordinated Flow Chart for New Construction ↗Re-checked Oct 4, 2026
Local zoningPresent (with conditions)
Land and buildings within the City of Lexington, Tennessee, a municipality located in Henderson County.
- The City of Lexington Building and Planning Department enforces the city Zoning Ordinance and related codes.
- Under the cited zoning ordinance, a building or use must be expressly permitted and conform to the regulations for its district, subject to the ordinance's stated exceptions.
- The official zoning map is dated 09/17/2019; the source does not establish that date as an effective date.
“The Building and Planning Department is responsible for the enforcement of the Building Codes, Zoning Ordinance, Flood Ordinance, Sign Ordinance, Site Plan Ordinance, Subdivision Regulations and other associated codes.”
Lexington, TN Planning & Codes ↗Re-checked Oct 6, 2026
Zoning districtsPublished
Zoning districts within the corporate limits of Lexington.
- The ordinance identifies an Official Zoning Map located in City Hall.
- The cited ordinance was updated September 2012; current amendments were not independently established.
“For the purpose of this Ordinance, Lexington, Tennessee, is hereby divided into fourteen (14) districts, designated as follows:”
Zoning Ordinance, Lexington, Tennessee ↗Re-checked Oct 4, 2026
Minimum lot sizeSpecified
Certain residential and other zoning districts in the City of Lexington.
- The required lot area varies by zoning district and use.
- For multiple-family complexes, the ordinance states 7,500 square feet for the first dwelling unit plus 2,500 square feet for each additional dwelling unit.
- Other uses may be subject to Board of Zoning Appeals requirements.
multiple-family first dwelling unit: 7500 sq ft · multiple-family each additional dwelling unit: per 2500 sq ft
“Minimum required lot area 7,500 sq. ft. for the first dwelling unit plus 2,500 sq. ft. for each additional dwelling unit.”
Lexington Zoning Ordinance ↗Re-checked Sep 29, 2026
Lot coverageSpecified
Buildings and uses in Lexington zoning districts.
- Lot coverage varies by district and use.
- Some uses are subject to Board of Zoning Appeals requirements.
residential dwelling and accessory coverage in one cited district: <= 35 percent · church coverage in one cited district: <= 25 percent
“Maximum lot coverage by all buildings. a. Dwellings and accessories 35% b. Churches 25% c. Other Uses 30% or less as required by the Board of Zoning Appeals.”
Lexington Zoning Ordinance ↗Re-checked Sep 29, 2026
Building heightSpecified
Buildings in Lexington zoning districts.
- The cited district provision limits buildings to three stories or 35 feet.
- Height rules vary by district.
maximum building height in cited district: <= 35 feet (no more than three stories)
“No building shall exceed three (3) stories or thirty-five (35) feet in height.”
Lexington Zoning Ordinance ↗Re-checked Sep 29, 2026
Manufactured homesLimited
Manufactured residential dwellings in Lexington.
- The unit must be on a continuous permanent masonry wall.
- Exterior materials, roof pitch, orientation, utility connections, and flood-hazard requirements apply.
- The ordinance states additional requirements in sections 11-217(A)(1)-(6).
roof rise: 3.57 inches per 12 inches horizontal run
“The roof must be pitched so there is at least a 3.57 inch vertical rise for each 12 inches of horizontal run.”
Zoning Ordinance, Lexington, Tennessee ↗Re-checked Oct 4, 2026
Mandatory utility hookupConditional
Manufactured residential dwellings in Lexington.
- The unit must connect to electricity, water, and sewer.
- The rule is subject to the Southern Standard Building Code and other national, state, and local codes.
“All such units shall be required to connect to a public utility system which includes, electricity, water and sewer in compliance with the Southern Standard Building Code, other national, state, and local codes.”
Zoning Ordinance, Lexington, Tennessee ↗Re-checked Oct 4, 2026
Subdividing landRegulated (with conditions)
Subdivisions within the City of Lexington corporate limits and Lexington planning region, including applicable areas of Henderson County outside the city.
- A subdivision plat must be submitted to the Planning Commission.
- The plat must be approved by the Planning Commission and filed with the County Register before land may be subdivided within the regulations' jurisdiction.
- No plat of two or more lots in the Lexington planning region may be recorded until Planning Commission approval.
- The regulations include minimum lot-area/frontage provisions for planning-region developments.
“These Subdivision Regulations shall apply to all subdivisions, as herein defined, located within the Corporate Limits and Planning Region of Lexington, Tennessee.”
Municipal-Regional Subdivision Regulations ↗Re-checked Sep 30, 2026
One more reviewed finding on this topic
- Regulated (with conditions) — Subdivision and development in the City of Lexington.
  “The Building and Planning Department is responsible for the enforcement of the Building Codes, Zoning Ordinance, Flood Ordinance, Sign Ordinance, Site Plan Ordinance, Subdivision Regulations and other associated codes.”
  Planning and Codes ↗Re-checked Sep 29, 2026
Permit processPartial
Planning and building-code process in the City of Lexington.
- The official page links to building permit applications, zoning, flood, site-plan, subdivision, sign, and appeal materials.
- The page does not provide the complete application sequence or fee schedule.
“Planning & Codes Links Building Permit Application Official Zoning Map Zoning ordinance Flood Ordinance Sign ordinance Site Plan Ordinance Subdivision Regulations Parking Regulations Sign Permit Application Board of Zoning Appeals Application Planning & Zoning Appeals Application”
Planning and Codes ↗Re-checked Sep 29, 2026

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

County-wide zoning — County zoning in unincorporated Henderson County, TN
Minimum dwelling size — Minimum dwelling size in unincorporated Henderson County, TN
Setbacks — Building setbacks in unincorporated Henderson County, TN
Living in an RV — RV occupancy on private land in unincorporated Henderson County, TN
Accessory dwellings — Accessory dwelling units in Henderson County.

1 more unanswered

Short-term rentals

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Living off-grid in Henderson County, Tennessee

Is Henderson County a good place to live off-grid or homestead?

Henderson County scores 76/100 on the Bolthole Index, a strong county profile. Its strengths: manageable long-term carry cost and low administrative friction for a quiet rural property.

How much does land cost in Henderson County, Tennessee?

Land in Henderson County runs about $2,956 per acre, based on the latest county data.

What is the water situation in Henderson County?

Henderson County gets about 55.4" of rain a year, with severe drought in roughly 4.6% of years.

How remote is Henderson County?

A representative private-land location has about 35,302 people within a 30-minute drive and 3,338,467 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

Building permits, zoning and land rules in Henderson County, Tennessee

Do you need a building permit in Henderson County, Tennessee?

Who issues building permits in Henderson County, Tennessee?

Does Henderson County, Tennessee have zoning?

How do septic permits work in Henderson County?

Can you live in an RV or tiny home in Henderson County?

What are the steps to build a home in Henderson County?

What should you check before buying land in Henderson County?

Watch-outs

Sources

Compared with neighboring counties

Henderson County in Tennessee

How Henderson County scores

Find land. Bring the promising ones back.

Parcel due diligence

Cities and towns in Henderson County

Answers from the rulebook for Henderson County

Henderson County rules

Tennessee rules that apply here

Inside cities and towns in Henderson County

Still unanswered

Living off-grid in Henderson County, Tennessee

How Henderson compares in Tennessee