Bolthole Index

Trigg County, Kentucky

Building permits, zoning and land rules in Trigg County, Kentucky

66Index Score / 100
#46 of 120 in Kentucky

Unincorporated Trigg County, Kentucky generally does not require a building permit, inspection, or certificate of occupancy for a single-family home, although the Kentucky Residential Code still applies12. The county has no countywide zoning, but Cadiz has local zoning and some subdivisions have recorded deed restrictions3. A septic permit and site evaluation are required through the Trigg County Health Department45.

At a glance

Building permit
Generally not required for a single-family home in unincorporated Trigg County; the state residential code still applies12
Zoning
No countywide zoning; Cadiz has local zoning, and recorded subdivision restrictions may apply36
Septic permits
Required through the Trigg County Health Department after a site evaluation; the local minimum lot size is a half-acre45
RV living
Long-term occupancy on a private parcel could not be confirmed; ask the Planning Commission before relying on the lack of countywide zoning3
Tiny homes
No county-specific occupancy rule was confirmed; septic, deed restrictions and the residential code can still matter325
Owner-builder
An owner may obtain plumbing and HVAC permits for a personal residence if the state conditions are met7
Private well
No owner permit or fee, but a Kentucky Certified Water Well Driller must perform the work8
Floodplain work
Development in an identified floodplain requires state and local permits9

Who to call

Zoning

Cadiz-Trigg County Planning Commission

Questions about Cadiz zoning, county development review and subdivision restrictions

270-350-5566

[email protected]

49 Jefferson Street/PO Box 2053, Cadiz, Kentucky 42211

Septic permits

Trigg County Health Department

Local site evaluations, onsite sewage permits and inspections

(270) 522-8121

196 Main Street, PO Box 191, Cadiz, KY 42211

Roads & driveways

Trigg County Road Department

County road work and entrance culvert installation

(270) 522-8377

[email protected]

P.O. Box 672, Cadiz, KY 42211

Also useful

Trigg County 911

E911 address requests for new structures

(270) 522-7445

[email protected]

P.O. Box 672, Cadiz, KY 42211

Contact details are copied from each office’s official page and were checked against it on September 27, 2026.

Do you need a building permit in Trigg County, Kentucky?

An ordinary single-family home in unincorporated Trigg County generally does not require a building permit, inspection, or certificate of occupancy1. Kentucky's rule is conditional: those approvals are not required for a single-family dwelling unless a local ordinance requires them101112. We could not confirm a current Trigg County ordinance that adds such a requirement, so confirm the parcel and project with the Cadiz-Trigg County Planning Commission before construction, especially near Cadiz or in a subdivision13.

No permit does not mean no construction standard. Kentucky's residential code applies to single-family dwellings, two-family dwellings, and townhouses, including their plans2. Plumbing work requires a state plumbing construction permit, and an owner-builder permit is limited to qualifying work on the owner's personal residence147.

Who handles building and land permits in Trigg County?

Trigg County does not present a conventional county building department for ordinary unincorporated single-family construction; the practical starting point is the Cadiz-Trigg County Planning Commission at 49 Jefferson Street/PO Box 2053, Cadiz, Kentucky 42211, phone 270-350-5566 or [email protected]13. Ask that office to confirm whether the parcel is inside Cadiz, within a recorded subdivision, or subject to a project-specific review.

Separate offices handle separate approvals. Trigg County 911 receives the required address-request form for new structures at P.O. Box 672, Cadiz, KY 42211, phone (270) 522-7445 or [email protected]1516. The Trigg County Road Department handles county road work and entrance culverts at the same mailing address, phone (270) 522-8377 or [email protected]17. A driveway connecting to the state highway system instead requires Kentucky Transportation Cabinet approval18.

Does Trigg County have zoning?

Unincorporated Trigg County has no countywide zoning, while the City of Cadiz administers local planning and zoning36. That distinction matters: a Cadiz parcel should not be evaluated under the unincorporated county answer. Some subdivisions also have recorded deed restrictions, so a rural parcel can carry private limits even where county zoning is absent3.

We could not confirm countywide numerical rules for minimum home size, setbacks, lot coverage, or building height. Ask the Cadiz-Trigg County Planning Commission about the exact parcel and obtain the recorded plat and deed restrictions before designing a home13. Land division can trigger another layer: subdivision within a Kentucky planning-unit jurisdiction requires planning-commission approval before the plat may be recorded, while a qualifying agricultural division that creates no new street can fall outside the statutory subdivision definition1920.

How do septic permits work in Trigg County?

The Trigg County Health Department administers onsite sewage locally under Kentucky's statewide program21. Contact the office at 196 Main Street, PO Box 191, Cadiz, KY 42211 or (270) 522-812122. A site evaluation comes first, and the permit must be issued before any part of the onsite system is built5. Trigg County's local guidance says a septic building lot must be at least a half-acre4.

After installation, the system must be inspected by a certified inspector23. Only 23.5% of county soils are rated without severe limitations for a conventional drain field, so acreage alone does not establish that a site will pass24. Kentucky may allow an alternative system when the proposed conventional design is not approvable, and approved composting toilets or a separated greywater system may reduce design flow; the remaining onsite system still needs approval, a permit, and inspection525.

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

We could not confirm a Trigg County rule that allows long-term RV occupancy or a tiny home as a permanent dwelling on an individual parcel outside Cadiz. The absence of countywide zoning does not by itself establish that either use is lawful, and recorded subdivision restrictions may still control a specific property3. Ask the Cadiz-Trigg County Planning Commission about the parcel, then confirm sanitation with the Trigg County Health Department1322.

Kentucky's temporary-event exception is narrow: qualifying RV parking or camping connected to a publicly announced event may last no more than 30 days, but that does not answer ordinary residential use on private land26. Inside Cadiz, a mobile or manufactured home generally may not be occupied for more than 30 days outside a licensed or approved mobile-home park; qualifying modular homes on permanent foundations follow a different rule27. A tiny home used as a dwelling must still satisfy the applicable Kentucky residential code and approved sewage requirements228.

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

  1. Confirm whether the parcel is in Cadiz, a subdivision, or unincorporated Trigg County; obtain the plat and recorded deed restrictions where applicable313.
  2. Request the required address for the new structure from Trigg County 91116.
  3. Arrange the septic site evaluation and obtain the onsite sewage permit before construction; the local septic minimum is a half-acre54.
  4. Apply to the Kentucky Transportation Cabinet for access to a state highway, or coordinate an entrance culvert on a county road with the Trigg County Road Department1817.
  5. Check the flood map before site work because development in an identified floodplain requires state and local floodplain permits9.
  6. Obtain the state plumbing permit, even if no single-family building permit applies141.
  7. Use a Kentucky Certified Water Well Driller if the property needs a private well8.

What should you check before buying land in Trigg County?

Start with jurisdiction and title: confirm the Cadiz city boundary, review the recorded plat and deed restrictions, and ask the Planning Commission whether subdivision review affects future land division31319. Then make the purchase contingent on a satisfactory septic site evaluation. Only 23.5% of county soils avoid severe limitations for a conventional drain field, and the local septic minimum is a half-acre244.

Check road access and flood exposure before choosing a homesite; state-highway access needs Transportation Cabinet approval, and identified floodplain development needs both state and local permits189. Trigg County is 59.3% wooded, while 60.5% of its land has a slope of 15% or less, but parcel-level clearing, drainage, and grade can differ sharply from county averages2930. For budget context, the county's median property-tax bill is about $1,065 per year and its effective property-tax rate is about 0.6%3132.

Watch-outs

  • A single-family building permit may not be required in unincorporated Trigg County, but Kentucky's residential code, plumbing permit, septic permit, and floodplain rules can still apply121459.
  • A half-acre is the local minimum for a septic building lot, but a site evaluation still determines whether the soil and proposed system are acceptable45.
  • Long-term RV and tiny-home occupancy outside Cadiz remain unconfirmed; ask the Planning Commission and Health Department before buying land for either use1322.

Sources

  1. Cadiz-Trigg County Fact Sheet for Development (2026 county census)
  2. Department of Housing, Buildings and Construction - Division of Building Code Enforcement, quoted and re-checked
  3. Cadiz-Trigg County Fact Sheet for Development (2026 county census)
  4. Cadiz-Trigg County Fact Sheet for Development (2026 county census)
  5. 902 KAR 10:085 Kentucky on-site sewage disposal systems, quoted and re-checked
  6. Boards and Commissions - City of Cadiz, quoted and re-checked
  7. Kentucky Department of Housing, Buildings and Construction plumbing frequently asked questions, quoted and re-checked
  8. Water Well Information for Home Owners, quoted and re-checked
  9. Find Your Flood Zone (Kentucky statewide rule), quoted and re-checked
  10. 815 KAR 7:125 Kentucky Residential Code, quoted and re-checked
  11. 815 KAR 7:125 Kentucky Residential Code, quoted and re-checked
  12. 815 KAR 7:125 Kentucky Residential Code, quoted and re-checked
  13. Cadiz-Trigg County Planning Commission (triggcounty.ky.gov)
  14. Division of Plumbing Fee Change and Permit Information (Kentucky statewide rule), quoted and re-checked
  15. Trigg County 911 (triggcounty.ky.gov)
  16. Trigg County 911 Information, quoted and re-checked
  17. Trigg County Road Department (triggcounty.ky.gov)
  18. Permits Branch, quoted and re-checked
  19. KRS 100.277 — Commission approval required for subdivisions (Kentucky statewide rule), quoted and re-checked
  20. KRS 100.111 — Definitions for chapter (Kentucky statewide rule), quoted and re-checked
  21. Onsite Sewage Disposal Systems Program, quoted and re-checked
  22. Trigg County Health Department (pennyrilehealth.org)
  23. 902 KAR 10:085 Kentucky on-site sewage disposal systems, quoted and re-checked
  24. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  25. 902 KAR 10:085 Kentucky on-site sewage disposal systems, quoted and re-checked
  26. KRS 219.410 — Units for personal or farm use excluded; exclusions for parks, festivals, and publicly announced events, quoted and re-checked
  27. § 151.050 General Provisions for Residential Districts, quoted and re-checked
  28. 815 KAR 20:130. House sewers and storm water piping; methods of installation (Kentucky statewide rule), quoted and re-checked
  29. Wooded share of land: Bolthole Index county data
  30. Share of land at 15% slope or less: Bolthole Index county data
  31. Median property tax bill: Bolthole Index county data
  32. Effective property tax rate: Bolthole Index county data

Written September 27, 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.

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County locator

Trigg County in Kentucky

66
County map
Trigg County highlighted among the Kentucky counties · colored by Index score

How Trigg County scores

Seclusion43100% ev.
Self-Sufficiency71100% ev.
Admin Boringness86100% ev.
Durability52100% ev.
Property Autonomy33100% ev.
Carry Cost8496% 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 →

$139kTypical home
0.6%Property tax
$5,078Land / acre
52.4"Annual rain
5.6% of yrsSevere drought
12.4 / yr (+11.2)Mid-century 100°F days
14.8 daysMid-century dry spell
2.39" (+6.9%)Mid-century 1-day rain
1.7×Wildfire change factor
100%Forward climate coverage
$1,727Home insurance / yr
0.4% / yrInsurance growth
0.23%Nonrenewal rate
single ZIP shrunk to state medianInsurance basis
35,584People within 30 min
3,376,604People within 2 hr
24,279Radius comparison (15 mi)
32.5People / sq mi
39.5%Federal land
60.5%Land at 15% slope or less
23.5%Septic soil without severe limits
47,805 acWorkable land screen
59.3%Wooded land
55.6 tonsBiomass / forest ac
58.3°FAvg temp

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Answers from the rulebook for Trigg County

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

Trigg County rules

  • Who permits septicMixed (with conditions)

    Onsite sewage disposal systems in Trigg County, including unincorporated areas.

    • Kentucky establishes the statewide onsite sewage standards and permit framework.
    • The local health department administers site evaluations and inspections.
    • A certified installer must install the system unless the homeowner obtains a homeowner’s permit through the local health department.
    “The Onsite Sewage Disposal Systems Program is administered through local health departments”
  • Septic permitRequired

    Construction, installation, or alteration of an onsite sewage disposal system in Trigg County.

    • A site evaluation must be conducted first.
    • The permit must be obtained before construction of any portion of the system.
    • The application includes the required fee and a completed application with site-plan information.
    • Each subdivision lot or site is evaluated individually.
    • Alternative systems may be available if a site evaluation finds the proposed system unapprovable.
    “a permit [...] shall be obtained prior to construction”
  • Septic inspectionRequired

    Every onsite sewage disposal system installed, constructed, altered, or repaired in Trigg County.

    • Inspection must be performed by a certified inspector.
    • The state regulation establishes an inspection sequence after installation.
    “shall be inspected by a certified inspector.”
  • Permit processPublished (with conditions)

    New structures built in Trigg County requiring a county 911 address request

    • The form must be printed and sent to Lori Jenkins, Director of Trigg County 911.
    “The following form is required for new structures built in Trigg County. Please print form and send to Lori Jenkins.”
  • County-wide zoningAbsent

    There is no county-wide zoning in Trigg County; zoning exists only within the City of Cadiz, with some subdivision deed restrictions.

    Cadiz-Trigg County Fact Sheet for Development ↗Scouted from the county site, not yet independently re-checked

Kentucky rules that apply here

  • Building permitLimited

    Single-family dwellings constructed in Kentucky, including Trigg County.

    • A local ordinance may require a permit.
    • The state residential code remains applicable to single-family dwelling plans.
    • The regulation is effective December 3, 2024 and has a stated expiration of December 3, 2031.
    “Permits, inspections, and certificates of occupancy shall not be required for a single-family dwelling unless required by local ordinance.”
    2 more reviewed findings on this topic
    • Limited — Single-family dwellings constructed in Kentucky, including Trigg County, subject to any applicable local ordinance.
      “Permits, inspections, and certificates of occupancy shall not be required for a single-family dwelling unless required by local ordinance.”
    • Not required (with conditions) — Single-family dwellings constructed in Kentucky under the Kentucky Residential Code.
      “Permits, inspections, and certificates of occupancy shall not be required for a single-family dwelling unless required by local ordinance.”
  • Owner-builder exemptionConditional

    A homeowner personally performing plumbing, sewerage, or drainage work in a home actually occupied by the homeowner or in a home being constructed for the homeowner's own personal residential use.

    • Application must be made before work begins.
    • The homeowner must file an affidavit stating that the homeowner will abide by the applicable terms.
    • All work must comply with the state plumbing code.
    • All work must be personally performed by the owner.
    • Only one homeowner permit for construction of a new home may be issued to an individual in a five-year period.
    • This is a plumbing-permit homeowner provision, not a general exemption from building permits, building inspections, or certificates of occupancy.

    new-home homeowner permits: per 1 permit per individual per five years

    “Permits to construct, install or alter plumbing, sewerage or drainage may be issued to homeowners who desire to install plumbing in homes actually occupied by them or in a home to be constructed by them for their own personal residential use, if all the following requirements are met:”
    One more reviewed finding on this topic
    • Conditional — Owner-performed plumbing and HVAC work in the owner's legal residence or a home constructed by the owner for personal residential use in Kentucky, including Trigg County.
      “A permit to construct, install, or alter a heating, ventilation, or air conditioning system shall be issued to a homeowner who installs a heating, ventilation, or air conditioning system in the homeowner's legal residence or in a home constructed by a homeowner for personal residential use, if all the requirements of this subsection are met.”
  • Building code adoptedAdopted (with conditions)

    Buildings constructed statewide in Kentucky, including residential and nonresidential construction subject to the Kentucky Building Code and Kentucky Residential Code.

    • The 2015 International Building Code is the mandatory state building code for buildings constructed in Kentucky, subject to Kentucky amendments in the 2018 Kentucky Building Code.
    • One-family dwellings, two-family dwellings, and townhouses are governed by 815 KAR 7:125 and the 2015 International Residential Code with Kentucky amendments in the 2018 Kentucky Residential Code.
    • Permits, inspections, and certificates of occupancy are not required for a single-family dwelling unless required by local ordinance.
    • Residential occupancies that are not single-family dwellings, two-family dwellings, or townhouses must comply with the 2015 International Building Code and the 2018 Kentucky Building Code.
    • Manufactured homes are governed by KRS 227.550 through 227.665.

    base building code: 2015 International Building Code (Kentucky amendments in the 2018 Kentucky Building Code supersede conflicting provisions) · residential code: 2015 International Residential Code; 2018 Kentucky Residential Code amendments (Applies to single-family dwellings, two-family dwellings, and townhouses under 815 KAR 7:125) · mandatory effective date: 2019-01-01

    “Building Code. The 2015 International Building shall be the mandatory state building code for all buildings constructed in Kentucky except that: (1) The Kentucky amendments in the 2018 Kentucky Building Code shall supersede any conflicting provision in the 2015 International Building Code; (2) One (1) family dwellings, two (2) family dwellings, and townhouses shall be governed by 815 KAR 7:125; and (3) Manufactured homes shall be governed by KRS 227.550 through 227.665.”
    2 more reviewed findings on this topic
    • Adopted (with conditions) — State building-code requirements applicable to construction in Trigg County, including the Kentucky Residential Code for single-family dwellings, two-family dwellings, and townhouses and the Kentucky Building Code for other residential occupancies.
      “The Department of Housing, Buildings and Construction adopted the 2018 Kentucky Building Code, Second Edition and the 2018 Kentucky Residential Code, Second Edition on August 3, 2019.”
    • Adopted (with conditions) — Construction in Trigg County subject to Kentucky's statewide building-code framework, including one- and two-family dwellings, townhouses, and other residential occupancies.
      “KRS 198B.040(7) and 198B.050 require the department to promulgate a mandatory uniform state building code that establishes standards for the construction of all buildings in the state. This administrative regulation establishes the basic mandatory uniform statewide code provisions relating to construction of one (1) and two (2) family dwellings and townhouses.”
  • InspectionsLimited

    Building inspections for single-family dwellings constructed in Kentucky, including Trigg County.

    • A local ordinance may require inspections.
    • The state residential code remains applicable to single-family dwelling plans.
    • The regulation is effective December 3, 2024 and has a stated expiration of December 3, 2031.
    “Permits, inspections, and certificates of occupancy shall not be required for a single-family dwelling unless required by local ordinance.”
    2 more reviewed findings on this topic
    • Limited — Inspections of single-family dwellings constructed in Kentucky, including Trigg County, subject to any applicable local ordinance.
      “Permits, inspections, and certificates of occupancy shall not be required for a single-family dwelling unless required by local ordinance.”
    • Not required (with conditions) — Single-family dwellings constructed in Kentucky under the Kentucky Residential Code.
      “Permits, inspections, and certificates of occupancy shall not be required for a single-family dwelling unless required by local ordinance.”
  • Certificate of occupancyLimited

    Certificates of occupancy for single-family dwellings constructed in Kentucky, including Trigg County.

    • A local ordinance may require a certificate of occupancy.
    • The regulation is effective December 3, 2024 and has a stated expiration of December 3, 2031.
    “Permits, inspections, and certificates of occupancy shall not be required for a single-family dwelling unless required by local ordinance.”
    2 more reviewed findings on this topic
    • Limited — Certificates of occupancy for single-family dwellings constructed in Kentucky, including Trigg County, subject to any applicable local ordinance.
      “Permits, inspections, and certificates of occupancy shall not be required for a single-family dwelling unless required by local ordinance.”
    • Not required (with conditions) — Single-family dwellings constructed in Kentucky under the Kentucky Residential Code.
      “Permits, inspections, and certificates of occupancy shall not be required for a single-family dwelling unless required by local ordinance.”
  • Camping on your landLimited

    Temporary parking or camping by recreational vehicles on public or private property in Kentucky when associated with a qualifying publicly announced event, including in Trigg County.

    • The temporary parking must be associated with a festival, fair, sporting event, yard sale, or other publicly announced event.
    • The temporary parking may not exceed 30 days.
    • KRS 219.310 to 219.410 also excludes festivals lasting not more than 30 days when organized and operated by a city, county, charter county, urban-county government, or consolidated local government or its agencies.
    • The statute separately excludes manufactured-home, mobile-home, or recreational-vehicle parks owned and operated on a temporary or seasonal basis by qualifying local governments or their agencies.
    • The exemption concerns applicability of KRS 219.310 to 219.410; other applicable laws, health requirements, septic rules, and local rules may still apply.

    maximum temporary event parking duration: <= 30 days (Must be associated with a festival, fair, sporting event, yard sale, or other publicly announced event.) · maximum duration of qualifying government-operated festival: <= 30 days (Must be organized and operated by a qualifying local government or its agency.)

    “for not more than thirty (30) days, associated with festivals, fairs, sporting events, yard sales, or other publicly announced events.”
  • Accessory dwellingsLimited

    Accessory dwelling units on lots containing a single-family home in a county containing a consolidated local government, when a new lease is initiated after June 27, 2025 and the lot is in a traditional single-family home zone.

    • The owner may not lease or allow the accessory dwelling unit to be occupied unless the owner primarily resides in the single-family home, multifamily housing unit, or accessory dwelling unit on the lot.
    • The restriction applies only in a county containing a consolidated local government.
    • A traditional single-family home zone is a zone that, as of January 1, 2025, did not include multifamily homes as a permitted use.
    • The restriction does not apply to a lot containing only one single-family home and no accessory dwelling unit.
    • The statutory effective date is June 27, 2025.

    new lease applicability date: > 2025-06-27 (The statute applies to new leases initiated after June 27, 2025.)

    “In a county containing a consolidated local government, for new leases initiated after June 27, 2025, a property owner shall not lease or allow to be occupied any single-family home, multifamily housing unit, or accessory dwelling unit located on a lot that contains a single-family home and that is located in a traditional single-family home zone, unless the owner primarily resides in the single-family home or multifamily housing unit or an accessory dwelling unit on the lot.”
  • Off-grid sanitationAllowed (with conditions)

    Use of an approved private onsite sewage disposal system for a building where a public sewer is unavailable.

    • The private sewage disposal system must be approved.
    • Construction, installation, alteration, or repair requires the applicable onsite sewage disposal permit and inspection requirements.
    • This finding addresses private onsite sewage disposal, not unregulated composting toilets, straight pipes, cesspools, or other sanitation methods not covered by the cited rule.
    “If a sewer is not available, the house drain from a building shall connect with an approved private sewage disposal system.”
    One more reviewed finding on this topic
    • Limited — Private or off-grid sanitation arrangements for residences in Trigg County where approved onsite sewage systems are used instead of public sewer.
      “approved permanent nonwater carriage water closet type devices, such as composting”
  • Well permitLimited

    Construction, alteration, repair, or abandonment of water supply wells in Kentucky.

    • The person performing the work must first obtain a water well driller or water well driller assistant certificate from the Cabinet.
    • The certificate authorizes only the drilling methods stated on the certificate.
    • The cited sources establish driller certification rather than a separate owner-applied construction permit for ordinary water supply wells.

    minimum examination score: >= 70 percent (applicable examination)

    “A person shall not construct, alter, repair, or abandon a water well without first obtaining a water well driller or water well driller assistant certificate”
    One more reviewed finding on this topic
    • Not required (with conditions) — Construction, modification, or abandonment of private water wells serving property in Trigg County.
      “there are no permitting applications or fees for constructing or abandoning a water well required of the property owner.”
  • Mandatory utility hookupConditional

    Buildings subject to the Kentucky State Plumbing Code.

    • A building must have an independent connection to either a public or private sewer or sewer system.
    • If a sewer is not available, the house drain must connect to an approved private sewage disposal system.
    • The cited rule does not establish a universal requirement to connect to public water service.
    “If a sewer is not available, the house drain from a building shall connect with an approved private sewage disposal system.”
  • Agricultural exemptionConditional

    Farm dwellings and other farm buildings and structures incident to farm operation and maintenance in unincorporated Trigg County, to the extent the structures satisfy Kentucky's statutory agricultural exemption from the definition of "building."

    • The farm structure must be located outside the boundary of a municipality.
    • The structure must not be used in the business of retail trade.
    • The structure must not be used as a place of regular employment for ten (10) or more people.
    • The structure must not be used for the storage or processing of timber products.
    • The statute does not state a five-acre minimum for the building-code exclusion.
    • For Kentucky zoning-law purposes, agricultural use separately includes a tract of at least five (5) contiguous acres used for agricultural or horticultural production, including livestock and qualifying dwellings, but not residential building development for sale or lease to the public.
    • Small farm wineries licensed under KRS 243.155 qualify as agricultural use regardless of tract size.
    • A separate grandfathered horse-activity category applies to a tract of land used for riding lessons, rides, training, educational projects, boarding and related care, or qualifying youth/amateur shows, competitions, sporting events, and similar activities; this category applies only to acreage used for those activities before July 13, 2004 and is not stated to require five acres.
    • For qualifying horse shows, competitions, sporting events, and similar youth/amateur activities involving more than seventy (70) participants, local applicable zoning regulations apply; the activities must not be regulated by KRS Chapter 230.

    minimum acreage for general agricultural building-code exclusion: not stated (The separate KRS 100.111(2)(a) agricultural-use definition states at least five contiguous acres for the listed agricultural or horticultural production uses.) · grandfathered horse-activity cutoff: < 2004-07-13 (KRS 100.111(2)(d) applies only to acreage being used for the listed horse activities before July 13, 2004.) · participant threshold for qualifying youth/amateur horse events: <= 70 participants (Events involving more than seventy participants are subject to local applicable zoning regulations.)

    “"Building" shall not mean a manufactured home governed by the National Manufactured Housing Construction and Safety Standards Act of 1974, 42 U.S.C. secs. 5401 et seq., or a farm dwelling or other farm buildings and structures incident to the operation and maintenance of the farm if the farm structures are located outside the boundary of a municipality and are not used in the business of retail trade or used as a place of regular employment for ten (10) or more people or structures used in the storage or processing of timber products.”
    2 more reviewed findings on this topic
    • Conditional — Division of land for agricultural use under Kentucky subdivision law.
      “provided that a division of land for agricultural use and not involving a new street shall not be deemed a subdivision.”
    • Conditional — Agritourism buildings subject to the Kentucky Building Code.
      “An agritourism building built prior to December 31, 2016, shall be exempt from the following requirements within the Kentucky Building Code: (a) An agritourism building built prior to December 31, 2016, shall not be required to comply with the seismic requirements within the Kentucky Building Code; and (b) If an agritourism building has a capacity of four hundred (400) persons or is six thousand (6,000) square feet or less, an agritourism building built prior to December 31, 2016, shall not require the services of an architect licensed by the Commonwealth of Kentucky.”
  • Subdividing landRegulated (with conditions)

    Subdivision of land within a Kentucky planning-unit jurisdiction.

    • All subdivision of land must receive planning-commission approval.
    • A person may not subdivide land before securing approval of a planning-commission plat.
    • A subdivision plat may not be recorded by the county clerk until commission approval is entered on the plat.
    • The statute's agricultural-use exception is addressed separately in KRS 100.111(22).
    “All subdivision of land shall receive commission approval. No person or his agent shall subdivide any land before securing the approval of the planning commission of a plat designating the areas to be subdivided, and no plat of a subdivision of land within the planning unit jurisdiction shall be recorded by the county clerk until the plat has been approved by the commission and the approval entered thereon in writing by the chairman, secretary, or other duly authorized officer of the commission.”
  • Driveway accessRequired

    New or additional private farm or single-family dwelling driveway approaches on Kentucky Department of Highways rights-of-way.

    • The owner or occupant must make formal written application to the District Engineer of the Department of Highways.
    • The applicant must furnish required drainage pipe, tile, or other drainage structure at the applicant's own expense.
    • The Department may participate up to $300 for specified construction work.
    • No indemnity bond or other security is required unless estimated construction cost within the right-of-way exceeds $300.
    • The District Engineer may approve or disapprove the application.

    department participation maximum: <= 300 USD (specified drainage, grading, and surfacing work within right-of-way limits)

    “The owner or occupant of property, who desires to construct new or additional private farm or single family dwelling driveway approaches, shall make formal application in writing, to the District Engineer of the Department of Highways.”
    2 more reviewed findings on this topic
    • Required — Access to a road on the Kentucky state highway system, including entrances and driveway-related roadway modifications in Trigg County
      “Any firm, individual, or governmental agency that wants access to a road on the state highway system or wants to conduct any type of work activity on the right-of-way, must obtain a permit from the Kentucky Transportation Cabinet.”
    • Required — New, additional, relocated, or modified driveway entrance approaches serving commercial property or property used for a purpose other than farming or a single-family dwelling.
      “The owner or occupant of property, used for commercial or any purpose other than farming or single family dwelling, who desires to construct new or additional driveway entrance approaches, to relocate, or make other changes in existing driveway entrance approaches thereto, shall make application for a permit to the District Engineer of the Department of Highways upon standard forms furnished by the Transportation Cabinet.”
  • Building in a floodplainRequired

    Development in an identified Kentucky floodplain, including development in mapped A and AE zones.

    • Both a state and local floodplain permit are required for development in an identified floodplain.
    • State and local permits are required for development in A and AE zones.
    • The Kentucky Division of Water issues general or individual floodplain permits.
    • General permits cover eligible activities that do not change the Base Flood Elevation and have minimal flood-risk potential.
    • Developments that do not meet general-permit eligibility or could change the Base Flood Elevation require an individual permit.
    • The source directs applicants to consult the local floodplain coordinator for local requirements.

    general permit nonsubstantial improvement threshold: < 50 percent of structure valuation (including labor)

    “Any development in an identified floodplain in Kentucky requires a state and a local floodplain permit.”
    One more reviewed finding on this topic
    • Required — Construction, demolition, renovation, or other development within a floodplain in Trigg County
      “To protect structures from flood damage, Kentucky law (401 KAR 4:060) requires a state floodplain permit before starting any construction, demolition, or renovation within a floodplain.”
  • Permit feesPublished (with conditions)

    Kentucky state plumbing installation permits administered by the Division of Plumbing.

    • Residential one- and two-family permits use a $50 base fee plus $14 per opening.
    • Domestic water heater-only permits are $50.
    • Commercial permits use a $50 base fee plus $20 per opening.
    • Medical gas piping permits use a $50 base fee plus $20 per opening.
    • The fee schedule is stated as effective March 1, 2022.

    residential base permit fee: 50 USD (one- and two-family permits) · residential opening fee: per 14 USD (opening) · commercial base permit fee: 50 USD (commercial permits) · commercial opening fee: per 20 USD (opening)

    “FEE CHANGE - Effective March 1, 2022, Plumbing installation permit fees will be as follows: Residential (One and Two Family) Permits: $50 base permit fee, $14 per opening fee Domestic Water Heater Only Permits: $50 Commercial Permits: $50 base permit fee; $20 per opening fee Medical Gas Piping Permits: $50 base permit fee; $20 per opening fee”
  • Campground & park staysTemporary only (with conditions)

    Sleeping temporarily in a recreational vehicle or other vehicle in a vehicle-based location covered by KRS 511.110.

    • The vehicle must be parked lawfully on a public road, street, or parking lot.
    • Sleeping and parking at the location must occur for less than twelve (12) hours.
    • This provision does not establish permission for long-term or permanent RV occupancy on private land.
    • KRS 511.110 separately prohibits camping in specified areas when the area has not been designated for sleeping or camping or the person lacks authorization.

    maximum sleeping and parking period: < 12 hours

    “Nothing in this section shall prevent a person from sleeping temporarily in his or her vehicle parked lawfully on a public road, street, or parking lot, where the sleeping and parking of the vehicle at the location occur for a period of less than twelve (12) hours.”
  • county zoning authorityGeneral

    Kentucky counties may adopt permanent land-use regulations, including zoning, through the applicable planning-unit process; this authority reaches county jurisdiction, including unincorporated areas, subject to the statutory planning prerequisites.

    • The planning commission and legislative bodies must have adopted the required comprehensive-plan elements before permanent zoning may be enacted.
    • The authority is exercised by legislative bodies and fiscal courts within the planning unit.
    • The quoted statute also authorizes zoning and land-use regulations for the listed public-health, safety, welfare, development, density, parking, fire and police protection, flood, transportation, public-facility, school, historic-district, agricultural-land, natural-resource, and other specially protected-area purposes.
    “When all required elements of the comprehensive plan have been adopted in accordance with the provisions of this chapter, then the legislative bodies and fiscal courts within the planning unit may enact permanent land use regulations, including zoning and other kinds of growth management regulations”
  • county building authorityGeneral

    Kentucky fiscal courts may adopt and enforce construction regulations and may require building permits for construction in the county, including residential construction in unincorporated areas.

    • The construction regulations must be adopted by county order or resolution.
    • The regulations operate pursuant to KRS 198B.060 and the Uniform State Building Code framework.
    • A county building inspector may administer the regulations.
    • No person may build, erect, construct, reconstruct, remodel, relocate, alter, or repair a building within the county without first obtaining a building permit from the building inspector when the county permit system applies.
    • Permit fees must be reasonable and may not exceed the cost of the service provided.
    • A person aggrieved by the building inspector's ruling, order, or decision may appeal under KRS 198B.070.

    permit fee ceiling: <= cost of the service provided

    “The fiscal court of any county shall have authority, by order or resolution, to adopt, and to enforce, regulations governing construction as defined by KRS 198B.010 pursuant to the provisions of KRS 198B.060.”

Inside cities and towns in Trigg County

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

  • Local zoningPresent (with conditions)

    Zoning within the City of Cadiz, Trigg County, Kentucky.

    • The official City of Cadiz page identifies a Planning and Zoning function and directs applicants to a zoning permit application.
    • This claim is limited to the City of Cadiz and does not establish zoning coverage in unincorporated Trigg County or other municipalities.
    “Zoning Forms Application for Zoning Permit”
    One more reviewed finding on this topic
    • Present (with conditions) — Planning and zoning administered within the City of Cadiz, Trigg County, Kentucky.
      “Planning and Zoning Tom Lawson (757) 714-9858 Meets on the fourth Tuesday of every month at the Planning Commission Office located at 49 Jefferson St., Cadiz, KY 42211.”
  • Manufactured homesLimited

    Mobile/manufactured-home occupancy as a dwelling or business on lots within residential districts of the City of Cadiz.

    • Occupancy for more than 30 days is prohibited on any lot other than a lot in a licensed and/or approved trailer court mobile home park.
    • Modular homes on permanent solid or continuous foundations are allowed in any city subdivision, subject to existing subdivision regulations and deed covenants and restrictions.
    • A mobile home parked for under 30 days on a lot with a principal building must conform to the chapter's accessory-building requirements.
    • The code defines a mobile home as a transportable structure exceeding either eight body feet in width or 32 feet in length, built on a chassis and designed for dwelling use when connected to required utilities.

    maximum occupancy period outside licensed/approved trailer court or mobile home park: <= 30 days (More than 30 days is prohibited.)

    “Within all residential districts (R-1), (R-1S) and (R-2), the following regulations shall apply: [...] The use of a mobile home as a dwelling or business on any lot, other than a lot in a licensed and/or approved trailer court mobile home park, for a period of more than 30 days is prohibited. Modular homes delivered to lot, set up on permanent solid or continuous foundation, shall be allowed in any subdivision in the city, subject to compliance with existing subdivision regulations, deed covenant and restrictions. A mobile home parking on any lot on which a principal building exists for a period under 30 days, as provided in this section, shall conform to the requirements for an accessory building, as provided in this chapter.”

Still unanswered

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

  • Zoning districts — Zoning-district publication for Trigg County, including any incorporated-area distinctions
  • Minimum dwelling size — Minimum dwelling size in unincorporated Trigg County.
  • Minimum lot size — Minimum lot size in unincorporated Trigg County.
  • Setbacks — Building setbacks in unincorporated Trigg County.
  • Lot coverage — Lot coverage in unincorporated Trigg County.
4 more unanswered
  • Building height
  • Living in an RV
  • Tiny homes
  • 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 Trigg County, Kentucky

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

Trigg County scores 66/100 on the Bolthole Index, a strong county profile. Its strengths: low administrative friction for a quiet rural property and manageable long-term carry cost. Watch-outs: a weaker property-autonomy legal backdrop.

Do you need a building permit in Trigg County, Kentucky?

Trigg County does not require a county building permit for a home in unincorporated areas, and it has no county-wide zoning. Onsite septic is permitted by Trigg County Health Department. 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 Trigg County, Kentucky?

Land in Trigg County runs about $5,078 per acre, based on the latest county data.

What is the water situation in Trigg County?

Trigg County gets about 52.4" of rain a year, with severe drought in roughly 5.6% of years.

How remote is Trigg County?

A representative private-land location has about 35,584 people within a 30-minute drive and 3,376,604 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 Trigg County means bringing your own water and power. The kit we’d start with:

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How Trigg compares in Kentucky

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