Bolthole Index

Sullivan County, Tennessee

Building permits, zoning and septic rules in Sullivan County, Tennessee

65Index Score / 100
#69 of 95 in Tennessee

Sullivan County, Tennessee requires building permits for residential housing and listed work such as additions, decks, roofs and interior remodeling1. County zoning applies within Sullivan County's planning jurisdiction, while municipal rules may govern inside cities or their planning areas2. TDEC, not the county, handles septic permits and inspections3.

At a glance

Building permit
Required for residential housing and listed residential work1
Zoning
County zoning applies within the county planning jurisdiction; municipal rules may differ2
Septic permits
Required through TDEC's non-contract-county process34
Owner-builder
Yes, one owner permit every two years for a home that isn't for sale, lease or rent5
Building code
2018 International Residential Code and 2018 Energy Code6
Final approval
Final inspection and Certificate of Occupancy required78
Agricultural exemption
Available for structures incidental to or solely used for agriculture9

Who to call

Building permits

Sullivan County Department of Planning and Codes

Building permits, zoning compliance permits and site plans for unincorporated Sullivan County

(423) 323-6440

[email protected]

3425 Highway 126, Suite 101, Blountville, TN 37617

Septic permits

TDEC Johnson City Environmental Field Office

Septic (subsurface sewage disposal system) permits and inspections for Sullivan County on behalf of the Tennessee Department of Environment and Conservation

(423) 854-5400

[email protected]

2305 Silverdale Drive, Johnson City, TN 37601-2162

Contact details are copied from each office’s official page and were checked against it on September 29, 2026.

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

Yes. Sullivan County requires a building permit for new homes, mobile and modular homes, additions, carports, garages, storage buildings, gazebos, pools, decks, roofs and interior remodeling1. Residential work subject to county review follows the 2018 International Residential Code and 2018 Energy Code6. The applicant or homeowner must request required inspections; requests are handled in received order with a stated three-business-day turnaround7. When construction is complete, the applicant or homeowner must request the final inspection and Certificate of Occupancy78. A Tennessee owner building one residence for personal use may receive one owner permit every two years if the residence is not for sale, lease or rent, but that owner-builder provision does not waive Sullivan County permits, inspections or codes10.

Who is the Sullivan County building department, and how do you reach them?

The Sullivan County Department of Planning and Codes handles building permits, zoning compliance permits and site plans11. Reach the office at 3425 Highway 126, Suite 101, Blountville, TN 37617, by phone at (423) 323-6440, or by email at [email protected]11. Office hours are 8 a.m. to 5 p.m., Monday through Friday, except designated holidays11. Ask the department which approvals fit the parcel and project: Sullivan County identifies septic, sewer fees, stormwater, floodplain permits, and TDOT or county driveway connections as possible additional requirements12. Development or land filling in a flood-prone area requires a permit from the Building Commissioner13.

Does Sullivan County have zoning?

Yes. Sullivan County divides its planning jurisdiction into zoning districts, but municipal planning jurisdictions and municipal zoning may govern inside incorporated municipalities or urban growth boundaries2. The official zoning map is part of the resolution, and the Building Commissioner is the final authority on a parcel's current zoning status14. District rules control permitted uses, lot size, setbacks, lot coverage and height14. In the agricultural and residential districts reviewed, the front setback is 30 feet, while side and rear setbacks vary by district; accessory structures may cover up to 10 percent of a lot, and residential height is generally capped at three stories or 50 feet unless the local fire department approves more151617. Structures incidental to an agricultural enterprise or solely used for agriculture can qualify for the county agricultural exemption, but residential buildings still require permits9.

How do septic permits work in Sullivan County?

TDEC handles Sullivan County septic systems through its non-contract-county process3. Applications and fee payments for a Subsurface Sewage Disposal Construction Permit use TDEC's service-request process, and a permit package may require a certified-soil-scientist map and sealed plans4. TDEC states a 10-business-day review period after receiving a permit package or inspection report3. Sullivan County is served by TDEC's Johnson City Environmental Field Office at 2305 Silverdale Drive, Johnson City, TN 37601, phone (423) 854-540018. For automated application help, call 423-854-5124; request an existing septic layout at [email protected]18. A final septic inspection is required, and a qualifying third-party engineer may conduct it instead of TDEC; when that route is used, the completion package is due within five business days after inspection19. Only about 2.3% of county soils lack severe limitations for a conventional drain field, so settle septic feasibility before choosing a house site20.

Can you live in an RV or tiny home on your land in Sullivan County?

We could not confirm a complete countywide rule for living in an RV, temporary camping, tiny-home occupancy or minimum dwelling size; ask Sullivan County Planning and Codes about the parcel's district and proposed use11. A tiny home built as a permanent residence still falls under the county requirement for residential building permits1. Single-wide and double-wide mobile homes and modular homes also require building permits1. Manufactured-home placement is district-specific, and manufactured-home parks have separate spacing, setback, anchoring and utility standards21. Accessory dwelling units may be permitted only under the zoning resolution's supplemental rules, while a lot is otherwise generally limited to one principal building unless specifically permitted or approved22.

Building a home in Sullivan County: the steps, in order

  1. Ask Sullivan County Planning and Codes to identify the parcel's current zoning district and applicable use, lot, setback, coverage and height standards14.
  2. Confirm septic feasibility and submit the construction-permit application through TDEC's non-contract-county process before fixing the house site4.
  3. Ask whether floodplain, stormwater, sewer or driveway approvals apply; flood-prone development needs the Building Commissioner's permit, and either TDOT or Sullivan County may require a driveway-connection permit1312.
  4. Apply for the Sullivan County building permit under the county's adopted residential and energy codes16.
  5. Request every required building inspection; the applicant or homeowner is responsible for making those calls7.
  6. After construction, request the final inspection and Certificate of Occupancy, and complete the required septic final inspection819.

What to check before you buy land in Sullivan County

Confirm the governing jurisdiction and zoning district before relying on a listing description, because county and municipal rules may differ and the Building Commissioner determines current county zoning status214. Check flood maps and access early: flood-prone development requires a permit, and driveway connections may need county or TDOT approval1312. Septic suitability deserves equal weight because only about 2.3% of Sullivan County soils lack severe limits for a conventional drain field20. Terrain can compound site costs: about 31% of land is at a 15% slope or less, and 65.3% is wooded2324. We could not confirm a countywide private-well permit rule or universal water and sewer connection rule, so ask Planning and Codes and the serving utility what applies to the parcel11.

Watch-outs

  • A Sullivan County building permit is not the last approval: the applicant or homeowner must request the final inspection and Certificate of Occupancy78.
  • Do not treat an agricultural label as a blanket exemption; the county exemption is tied to structures incidental to an agricultural enterprise or solely used for agricultural purposes9.
  • We could not confirm complete countywide rules for RV living, temporary camping, tiny-home occupancy, minimum dwelling size or private wells; ask Planning and Codes before buying around any of those uses11.

Sources

  1. Planning and Codes | Sullivan County TN, quoted and re-checked
  2. Planning and Codes | Sullivan County TN, quoted and re-checked
  3. Third-Party Permits & Final Inspections for Subsurface Sewage Disposal Systems, quoted and re-checked
  4. Third-Party Permits & Final Inspections for Subsurface Sewage Disposal Systems, quoted and re-checked
  5. Can I build my own home without a license? (2026 county census)
  6. Planning and Codes | Sullivan County TN, quoted and re-checked
  7. Sullivan County Planning & Codes Permit Application, quoted and re-checked
  8. Sullivan County Planning & Codes Permit Application, quoted and re-checked
  9. Sullivan County Zoning Resolution, quoted and re-checked
  10. Can I build my own home without a license? (Tennessee statewide rule), quoted and re-checked
  11. Sullivan County Department of Planning and Codes (sullivancountytn.gov)
  12. Planning and Codes | Sullivan County TN, quoted and re-checked
  13. Sullivan County Zoning Resolution, quoted and re-checked
  14. Sullivan County Zoning Resolution, quoted and re-checked
  15. Sullivan County Zoning Resolution, quoted and re-checked
  16. Sullivan County Zoning Resolution, quoted and re-checked
  17. Sullivan County Zoning Resolution, quoted and re-checked
  18. TDEC Johnson City Environmental Field Office (tn.gov)
  19. Third-Party Permits & Final Inspections for Subsurface Sewage Disposal Systems, quoted and re-checked
  20. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  21. Planning and Codes | Sullivan County TN, quoted and re-checked
  22. Sullivan County Zoning Resolution, quoted and re-checked
  23. Share of land at 15% slope or less: Bolthole Index county data
  24. Wooded share of land: Bolthole Index county data

Written September 29, 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.

Found land here? Start a Property Hunt →

County locator

Sullivan County in Tennessee

65
County map
Sullivan County highlighted among the Tennessee counties · colored by Index score

How Sullivan County scores

Seclusion33100% ev.
Self-Sufficiency63100% ev.
Admin Boringness46100% ev.
Durability85100% ev.
Property Autonomy71100% ev.
Carry Cost74100% ev.

Evidence strength: 100%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$264kTypical home
0.6%Property tax
$8,316Land / acre
45.9"Annual rain
0.2% of yrsSevere drought
1.9 / yr (+1.9)Mid-century 100°F days
12.1 daysMid-century dry spell
1.62" (+9.7%)Mid-century 1-day rain
1.65×Wildfire change factor
100%Forward climate coverage
$1,262Home insurance / yr
-0.3% / yrInsurance growth
1.28%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
179,597People within 30 min
2,605,929People within 2 hr
210,523Radius comparison (15 mi)
392.2People / sq mi
1.8%Federal land
31%Land at 15% slope or less
2.3%Septic soil without severe limits
5,498 acWorkable land screen
65.3%Wooded land
62.7 tonsBiomass / forest ac
56.4°FAvg temp

Scout Sullivan County

Camp here before you commitBook a few nights nearby on Hipcamp →Already own land here?Earn money hosting campers — get $100 when you become a Hipcamp host →

Some links are affiliate or referral links — we may earn a commission, at no cost to you.

Property hunt

Find land. Bring the promising ones back.

Search live inventory elsewhere, then cost and vet each candidate here. No copied listings, account, or paid data feed.

View your full hunt →
ZillowLand & lotsRealtor.comLand listingsLandSearchRural & vacant land

Each button opens a current land search for Sullivan County. Listing sites control their own results and filters.

Analyze a property
Add setup-cost allowances

Use rough quotes or placeholders. Blank fields count as $0.

Working estimate

—land + entered setup costs
Asking $ / acre
—
Setup allowance
—
All-in $ / acre
—

A planning estimate, not a valuation or contractor quote. The USDA benchmark includes farm land and buildings; it is context, not a parcel comp.

Before an offer

Parcel due diligence

0/8 checked

Saved properties and checklist progress stay on this device. Bolthole Index does not receive them.

Answers from the rulebook for Sullivan County

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

Sullivan County rules

  • Building permitRequired

    Residential housing and listed residential construction work in Sullivan County.

    • The county page lists new homes, single-wide and double-wide mobile homes, modular homes, additions, carports, garages, storage buildings, gazebos, pools, decks, roofs, and interior remodeling jobs.
    • Agricultural-use exceptions appear in the zoning resolution for structures incidental to or solely used for agriculture.
    “Building Permits are required in Sullivan County for all types of residential housing including: new homes, single-wide mobile homes, double-wide mobile homes, modular homes, additions, carports, garages, storage buildings, gazebos, pools, decks, and roofs as well as interior remodeling jobs.”
  • Building code adoptedAdopted (with conditions)

    Residential construction subject to Sullivan County Planning and Codes.

    • The county page states the codes were adopted to remain in compliance with Tennessee regulations.
    • The page states an effective date of April 1, 2018.

    residential code: 2018 International Residential Code · energy code: 2018 Energy Code

    “To remain in compliance with the State of Tennessee regulations, the Sullivan County Board of County Commissioners adopted the 2018 International Residential Code and the 2018 Energy Code – effective on April 1, 2018.”
  • InspectionsRequired

    Permitted construction in Sullivan County.

    • The applicant or homeowner must call for inspections.
    • The county application states that a final inspection is required upon completion.
    • The stated inspection turnaround is three business days.

    inspection turnaround: 3 business days (requests are inspected in received order)

    “It is the applicant’s and/or homeowner's responsibility to call for all inspections as required. Upon completion of construction, the applicant and/or homeowner must call for a final inspection and a Certificate of Occupancy.”
  • Certificate of occupancyRequired

    Completion and occupancy of permitted construction in Sullivan County.

    • A final inspection must be called for upon completion before the certificate of occupancy process is completed.
    “Upon completion of construction, the applicant and/or homeowner must call for a final inspection and a Certificate of Occupancy.”
  • County-wide zoningPresent (with conditions)

    Sullivan County zoning within the county planning jurisdiction.

    • The zoning resolution establishes districts and an official zoning map.
    • Municipal planning jurisdictions and municipal zoning rules may affect land inside incorporated municipalities or municipal urban growth boundaries.
    “To divide the territory included within the county’s planning jurisdiction into zones and districts restricting and regulating therein the location, construction, reconstruction, alteration, and use of buildings, structures, and land”
  • Zoning districtsPublished (with conditions)

    Sullivan County zoning districts and official zoning maps.

    • The official zoning map is incorporated into the zoning resolution.
    • The Building Commissioner is the final authority as to current zoning status.
    • District-specific regulations govern permitted uses, lot size, setbacks, coverage, and height.
    “The boundaries of districts established by this resolution are shown on the official zoning maps, which are, hereby, incorporated into the provisions of this resolution.”
  • SetbacksSpecified

    Agricultural and residential zoning districts in Sullivan County.

    • Table values vary by district.
    • Setbacks do not apply to agricultural buildings and structures.
    • Additional setbacks may apply to non-residential uses and supplemental provisions.
    • Open-space residential development and planned-development provisions can alter some setbacks.

    front setback: 30 feet (table values vary by district) · side setback: 10-30 feet (table values vary by district) · rear setback: 20-30 feet (table values vary by district)

    “1. Front (08/10/2023) 30 30 30 30 30 30** 30** 2. Side 30 12 12 12 10 20** 30** 3. Rear 30 30 30 30 20 30** 30**”
  • Lot coverageSpecified

    Agricultural and residential zoning districts in Sullivan County.

    • The table lists maximum accessory-structure coverage of ten percent.
    • Principal-structure coverage is listed as not applicable in the reviewed agricultural and residential table.
    • Open-space residential development provisions may allow greater principal-building coverage.

    maximum accessory structure coverage: 10 percent of lot area (agricultural and residential table)

    “IV. Maximum Lot Coverage by the Accessory Structure*(%) 10% 10% 10% 10% 10% 10% 10%”
  • Building heightSpecified

    Residential structures in Sullivan County agricultural and residential zoning districts.

    • Maximum residential height is three stories or fifty feet, unless approved higher by the local fire department.
    • Height limits do not apply to listed roof-level appurtenances not intended for human occupancy or to agricultural buildings not intended for human occupancy.

    maximum residential height: 3 stories or 50 feet (unless approved by the local fire department to be higher)

    “V. Maximum Height for Residential Structures* (unless approved by the local fire department to be higher)”
  • Manufactured homesLimited

    Manufactured-home occupancy in Sullivan County zoning districts.

    • Manufactured homes are addressed through district-specific zoning rules and manufactured-home-park standards.
    • Manufactured-home parks have spacing, setback, site coverage, anchoring, and utility requirements.

    home separation in manufactured-home parks: >= 20 feet (between mobile homes and between a manufactured home and another building or structure within the park) · public sewer connection: true (as approved by the local sewer provider) · public water connection: true (as approved by the local utility district provider)

    “Manufactured homes shall be so harbored on each space such that there shall be at least a twenty (20) foot clearance between mobile homes, including any porches or additions.”
  • Accessory dwellingsAllowed (with conditions)

    Accessory dwelling units in Sullivan County zoning districts.

    • Accessory dwelling units may be permitted only under the supplemental regulations in Appendix B.
    • The zoning resolution otherwise limits lots to one principal building unless specifically permitted or approved.
    “Accessory Dwelling Units may be permitted– see Supplemental Regulations in Appendix B for Accessory Dwelling Units”
  • Agricultural exemptionAvailable (with conditions)

    Buildings and structures incidental to an agricultural enterprise or solely used for agricultural purposes under Sullivan County zoning permit rules.

    • The exemption is stated in the zoning resolution under Tennessee Code Annotated §13-7-114.
    • The county planning page separately states that residential building permits are required.
    “nothing within this resolution shall be construed as authorizing the requirement neither for building permits nor for providing for the regulation of the erection, construction, or reconstruction of any building or other structure where such building or structure is incidental to an agricultural enterprise or solely used for agricultural purposes.”
  • Driveway accessLimited

    Driveway connections associated with development in Sullivan County.

    • The county page states TDOT or Sullivan County driveway connections may require permits.
    • Subdivision regulations address driveway or pipestem access and require free and clear accessibility for qualifying flag lots.
    “Other permits may be required such as septic systems, sewer fees, stormwater management, floodplain permit, TDOT driveway connections or Sullivan County driveway connections.”
  • Building in a floodplainRequired

    Construction, land filling, and development within flood-prone areas in Sullivan County.

    • A permit from the Building Commissioner is required before construction, alteration, repair, use, or filling within a flood-prone area.
    • Designated floodway areas are excluded from minimum lot-size calculations.
    “to use a building or structure, or to commence the filling of land within any flood prone area without a permit therefore, issued by the Building Commissioner.”

Tennessee rules that apply here

  • 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).”
  • Who permits septicState (with conditions)

    Subsurface sewage disposal systems serving property in Sullivan County, a non-contract Tennessee county.

    • TDEC’s page identifies Sullivan County’s applicable process through the non-contract-county process.
    • Third-party engineers may prepare permit packages or conduct final inspections subject to statutory conditions.
    • The page states applications require a fee, soils map, sealed plans, unsigned permit, and any other information reasonably required.

    review period: 10 business days (after receipt of permit package or inspection report)

    “For all non-contract counties, permit packages should be submitted to [email protected].”
  • Septic permitRequired

    Installation of a subsurface sewage disposal system on property in Tennessee, and repair of an existing faulty system.

    • A Septic System Construction Permit is required before installation or repair.
    • The application requires site and system information; soils maps may be required and large conventional or alternative systems require a licensed-engineer design.
    • The review generally takes 10 days and must be completed within 45 days.
    • New conventional permit fee is $400 up to 1,000 gallons per day, plus $100 for each additional 1,000 gallons per day.
    • New alternative permit fee is $500 up to 1,000 gallons per day, plus $150 for each additional 1,000 gallons per day.
    • Experimental SSDS permit fee is $500.
    • Repair permits have no permit fee; repair construction inspection fee is $100.
    • Contract counties Blount, Davidson, Hamilton, Jefferson, Knox, Madison, Sevier, Shelby, and Williamson 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: No permit fee

    “Any individual or property owner who desires to have a subsurface sewage disposal (septic) system installed on their property or requiring repair to an existing faulty system must get a Septic System Construction Permit.”
    One more reviewed finding on this topic
  • Septic inspectionRequired

    Final inspection and certificate of completion for subsurface sewage disposal systems in Sullivan County.

    • A third-party engineer may conduct the final inspection in lieu of TDEC or a contract county if statutory requirements are met.
    • The certificate-of-completion package must include the appropriate fee if required, a completed unsigned certificate, and other reasonably required information.

    submission deadline: <= 5 business days (after the inspection date when using a third-party engineer)

    “A person may engage a third-party water resources engineer to conduct the final inspection of a subsurface sewage disposal system pursuant to subdivision (a)(4) in lieu of the department or the contract county.”
  • Mandatory utility hookupSewer (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.

    • The cited Tennessee statute grants qualifying utility systems authority to require connection.
    • The building must exist on the abutting lot or parcel.
    • The owner, tenant, or occupant may be required to cease using other means for disposal of sewage, sewage waste, or other polluting matter.
    • This source describes authority to require sewer connection; it does not establish that every Tennessee property has sewer available.
    “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."”
  • 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”
  • 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”
  • 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.”

Still unanswered

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

  • Minimum dwelling size — Minimum dwelling size in Sullivan County zoning districts.
  • Camping on your land — Temporary camping outside an approved campground, approved lake lot, or other specifically approved location.
  • Tiny homes — Tiny-home occupancy in Sullivan County.
  • Off-grid sanitation — Off-grid sanitation systems in Sullivan County.
  • Well permit — Private well permits for property in Sullivan 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 Sullivan County, Tennessee

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

Sullivan County scores 65/100 on the Bolthole Index, a strong county profile. Its strengths: mixed durability signals and manageable long-term carry cost. Watch-outs: about 179,597 people within a 30-minute drive.

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

Sullivan County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Tennessee Department of Environment & Conservation (TDEC), Division of Water Resources. Owner-builders may act as their own contractor to build their home. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

How much does land cost in Sullivan County, Tennessee?

Land in Sullivan County runs about $8,316 per acre, based on the latest county data.

What is the water situation in Sullivan County?

Sullivan County gets about 45.9" of rain a year, with severe drought in roughly 0.2% of years.

How remote is Sullivan County?

A representative private-land location has about 179,597 people within a 30-minute drive and 2,605,929 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.

Off-grid gear

Going off-grid in Sullivan 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.

How Sullivan compares in Tennessee

Compare side-by-side →See all 95 Tennessee counties ranked →