Bolthole Index

McMinn County, Tennessee

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

73Index Score / 100
#44 of 95 in Tennessee

Unincorporated McMinn County, Tennessee does not require a state-program building permit for a one- or two-family home1. County zoning still applies, although the current district map and full standards could not be confirmed2. TDEC administers septic permits in McMinn County3.

At a glance

Building permit
Not required for one- or two-family homes in unincorporated areas1
Zoning
County zoning applies in unincorporated areas; confirm the parcel's district and standards2
Septic permit
Tennessee Department of Environment and Conservation (TDEC)45
Septic soil suitability
About 25.3% of county soils rate free of severe limits for a conventional drain field6
Owner-builder
You may build your own home; trade and contractor licensing rules may still apply7
Driveway permit (county road)
Required; the Highway Department allows driveway connections by permit only8
RV living
Travel-trailer parks are regulated; long-term occupancy of one RV on private land is unconfirmed9

Who to call

Planning & zoning

McMinn County Planning Commission

Subdivision plat review and building setback standards for unincorporated McMinn County; meets monthly

(423) 829-0665

Roads & driveways

McMinn County Highway Department

Construction and maintenance of county roads and bridges; issues driveway connection permits

(423) 745-1820

250 County Road 552, Athens, TN 37303

Septic permits

TDEC Chattanooga Environmental Field Office

The Tennessee Department of Environment and Conservation field office serving McMinn County for water-resources matters, including Subsurface Sewage Disposal System (septic) permits

(423) 634-5745

1301 Riverfront Parkway, Suite #206, Chattanooga, TN 37402

Online permits →

Septic permits

McMinn County septic permit line

The phone number McMinn County's own permits page directs residents to call with septic permit questions

423.296.2260

Zoning

McMinn County Regional Planning Commission

McMinn County's Mobile Home Park and Travel Trailer Park Regulations, including the individual-mobile-home and owner's-own-dwelling provisions

Planning & zoning

McMinn County Regional Planning Commission — Subdivision Regulations

McMinn County's Subdivision Regulations, including minimum lot size requirements for lots relying on a well and/or septic system

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

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

Unincorporated McMinn County does not require the state residential building-program permit for a new one- or two-family dwelling1. An owner or contractor may still choose a state permit and State Fire Marshal inspection, but incorporated municipalities set their own requirements10. The no-permit answer does not remove zoning, subdivision, septic, floodplain, electrical, driveway, or utility approvals1. A property owner may build a personal home, although state licensing rules can still apply to electrical, plumbing, HVAC, and hired contractors7. Residential inspection and certificate-of-occupancy requirements in the unincorporated county could not be confirmed; ask the Planning Commission before work begins.

Who handles permitting and land-use questions in McMinn County, and how do you reach them?

McMinn County does not issue the state-program building permit for one- or two-family homes in unincorporated areas1. Start land-use questions with the McMinn County Planning Commission at (423) 829-066511. The Planning Commission is the platting authority for subdivisions in its jurisdiction, and a plat must be approved before recording12. The commission meets on the third Thursday of each month11. For a county-road entrance, contact the McMinn County Highway Department at 250 County Road 552, Athens, TN 37303, or (423) 745-1820; driveway connections are by permit only8. A driveway on state highway right-of-way instead requires a TDOT highway-entrance permit13. The county FAQ directs applicants to the State Fire Marshal's Office for electrical permits11.

Does McMinn County have zoning?

McMinn County has a regional zoning resolution for development in the unincorporated county, but the current zoning map and complete district standards could not be confirmed2. Ask the Planning Commission which district governs a parcel; municipalities may have separate rules. For residential subdivision lots, public utilities change the minimum: at least 35,000 square feet without public water and sewer, 20,000 square feet with public water and individual septic, or 7,500 square feet with both public water and public sewer; the health officer may require more land for a well and septic system14. Where no zoning ordinance controls, subdivision standards call for a 75-foot lot width at the setback line and setbacks of 35 feet front, 10 feet side, 15 feet rear, and 20 feet on a corner lot1415. Minimum dwelling size, height, lot coverage, and tiny-home standards could not be confirmed; ask the Planning Commission.

How do septic permits work in McMinn County?

TDEC administers septic permits in McMinn County3. A septic construction permit is required to install or repair a system, and approval should come before dirt work or building-pad construction begins1617. The applicant or installer must notify TDEC after installation so the system can be inspected before it is covered18. The Chattanooga Environmental Field Office serves McMinn County and is at 1301 Riverfront Parkway, Suite #206, Chattanooga, TN 37402, phone (423) 634-574519. McMinn County also directs septic questions to 423.296.2260 and the state website520. Only about 25.3% of county soils rate without severe limits for a conventional drain field, so make septic feasibility an early purchase contingency6. A qualifying sewer utility may require connection when its sewer runs along an abutting public way21.

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

McMinn County's park regulations do not establish a general right to live long-term in one RV on private land, so ask the Planning Commission about the parcel's zoning district and occupancy rules before relying on an RV as a dwelling92. The regulations do control travel-trailer parks in unincorporated McMinn County: each space must contain at least 2,400 square feet, measure at least 30 by 80 feet, and sit at least 15 feet from another space9. Mobile-home and travel-trailer parks must use public water when it is available within 1,000 feet, and developers must try public sewer before using an approved septic system22. Annual park permit fees are set in the county's Schedule of Fees; the current amount could not be confirmed23. An individual mobile home on its own lot must meet conventional-residence standards and subdivision rules24. Tiny-home occupancy and minimum dwelling size remain unconfirmed; ask the Planning Commission.

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

  1. Ask the Planning Commission which zoning district, setbacks, subdivision approvals, and local inspections apply; no state-program building permit is required for a one- or two-family home in unincorporated McMinn County12.
  2. Verify that the lot meets utility-based area and width standards, and obtain plat approval before recording a subdivision1412.
  3. Secure TDEC septic approval before grading or building, then arrange the final inspection before covering the system1718.
  4. Check flood maps and obtain local floodplain review if needed; subdivision lots require a flood-free building site2526.
  5. Get driveway approval from the Highway Department for a county road or TDOT for state highway right-of-way813.
  6. Obtain the electrical permit through the State Fire Marshal's Office11.
  7. If building your own home, confirm which trade and contractor licenses apply7.

What to check before you buy land in McMinn County

Start with buildability, not acreage alone. Only about 25.3% of McMinn County soils rate without severe limits for a conventional drain field, so obtain a site evaluation before closing6. About 62.1% of the county is at a slope of 15% or less, but an individual parcel still needs a usable house site, driveway grade, and disposal area27. A subdivision lot must contain a flood-free building site, and new or substantially improved structures in affected areas must comply with county flood-damage rules25. For a mobile-home park, the site must be outside flood-hazard areas28. Confirm the zoning district, lot size, conditional setbacks, access easements, and subdivision history with the Planning Commission21415. Ask the Highway Department about a county-road entrance, and use TDOT for a state-highway entrance813. Private-well permitting could not be confirmed, so ask TDEC and the Planning Commission before treating a well as the water plan.

Watch-outs

  • McMinn County has zoning in unincorporated areas, but the current map and complete district standards could not be confirmed; confirm the parcel's rules with the Planning Commission2.
  • The no-building-permit answer applies to one- and two-family homes in unincorporated McMinn County, not incorporated municipalities or nonresidential construction1.
  • Two different phone numbers for floodplain information appear on the county's own site and PDF; this guide did not cite either one because the discrepancy could not be resolved this session — ask the Planning Commission who currently handles floodplain questions11.

Sources

  1. McMinn County Commission Resolution 18-114, quoted and re-checked
  2. McMinn County Commission Regular Session Agenda, October 20, 2025, quoted and re-checked
  3. Online Application for Subsurface Sewage Disposal System (SSDS) Related Services, quoted and re-checked
  4. Third-Party Permits & Final Inspections, quoted and re-checked
  5. McMinn County Frequently Asked Questions, quoted and re-checked
  6. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
  7. Tennessee law on county zoning and building authority
  8. McMinn County Highway Department (mcminncountytn.gov)
  9. McMinn County Mobile Home Resolution for the Revision of Mobile Home Park and Travel Trailer Park Regulations, quoted and re-checked
  10. Tennessee Fire Marshal's Office Residential Permits Residential Jurisdictions & Inspectors, quoted and re-checked
  11. McMinn County Planning Commission (mcminncountytn.gov)
  12. McMinn County Subdivision Regulations, quoted and re-checked
  13. Highway Entrance Permits (Tennessee statewide rule), quoted and re-checked
  14. McMinn County Subdivision Regulations, quoted and re-checked
  15. McMinn County Subdivision Regulations, quoted and re-checked
  16. Subsurface Sewage Disposal System (SSDS) Permits, quoted and re-checked
  17. Online Application for Septic Related Services, quoted and re-checked
  18. Subsurface Sewage Disposal System (SSDS) Frequently Asked Questions (Tennessee statewide rule), quoted and re-checked
  19. TDEC Chattanooga Environmental Field Office (tn.gov)
  20. McMinn County septic permit line (mcminncountytn.gov)
  21. comptroller.tn.gov (Tennessee statewide rule), quoted and re-checked
  22. McMinn County Mobile Home and Travel Trailer Park Regulations, quoted and re-checked
  23. McMinn County Mobile Home and Travel Trailer Park Regulations, quoted and re-checked
  24. McMinn County Mobile Home and Travel Trailer Park Regulations, quoted and re-checked
  25. McMinn County Subdivision Regulations, quoted and re-checked
  26. Statewide Floodplain Administrator Directory (Tennessee statewide rule), quoted and re-checked
  27. Share of land at 15% slope or less: Bolthole Index county data
  28. McMinn County Mobile Home and Travel Trailer Park Regulations, quoted and re-checked

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.

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Compared with neighboring counties

Unlike all 6 of its neighbors, McMinn County requires no county building permit for a home.

RuleMcMinn CountyMeigs CountyRhea CountyMonroe CountyBradley CountyPolk CountyLoudon County
Building permitNot requiredRequiredRequiredLimitedRequiredRequiredRequired
County zoningYesYesYesNoYesYesYes
Septic permitsTDECTDECTDECTDECTDECTDECTDEC

County locator

McMinn County in Tennessee

73
County map
McMinn County highlighted among the Tennessee counties · colored by Index score

How McMinn County scores

Seclusion34100% ev.
Self-Sufficiency72100% ev.
Admin Boringness7877% ev.
Durability70100% ev.
Property Autonomy71100% ev.
Carry Cost80100% ev.

Evidence strength: 96%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$266kTypical home
0.4%Property tax
$5,610Land / acre
56.3"Annual rain
8% of yrsSevere drought
5.9 / yr (+5.6)Mid-century 100°F days
13.2 daysMid-century dry spell
2.37" (+9.6%)Mid-century 1-day rain
1.54×Wildfire change factor
100%Forward climate coverage
$1,558Home insurance / yr
0.2% / yrInsurance growth
1.33%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
102,978People within 30 min
2,813,184People within 2 hr
84,271Radius comparison (15 mi)
129.4People / sq mi
0.4%Federal land
62.1%Land at 15% slope or less
25.3%Soils rated "not limited" for septic (strict USDA rating)
64,361 acWorkable land screen
57.9%Wooded land
43.9 tonsBiomass / forest ac
59.2°FAvg temp

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Cities and towns in McMinn County

Inside a city or town, that city usually issues building permits and sets zoning; the county’s rules above cover unincorporated land. Septic, wells and floodplain rules usually stay with the county or state everywhere.

Not yet researched: Town of Calhoun · Town of Englewood · Niota

Answers from the rulebook for McMinn County

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

McMinn County rules

  • Building permitLimited

    One- and two-family dwellings within McMinn County's jurisdictional boundaries; incorporated jurisdictions are separately listed by the State Fire Marshal's Office.

    • McMinn County is listed as an OPT OUT jurisdiction; the State's key defines OPT OUT as a jurisdiction that has passed a resolution opting out of the State Residential Building Program.
    • An owner or contractor may obtain a state building permit and request State Fire Marshal inspection in an opt-out jurisdiction.
    • This finding does not establish the requirements of separately listed incorporated municipalities or non-residential construction.
    “McMinn County | OPT OUT | Tony Wilson | twilcodes@bellsouth.net | 423-261-5159 [...] OPT OUT - The jurisdiction has passed a resolution opting out of the program”
    One more reviewed finding on this topic
    • Not required — Statewide building-code standards and the related state residential building-program permit for new one-family and two-family dwellings in unincorporated McMinn County.
      “that statewide building code standards, adopted pursuant to Title 68, chapter 120, shall not apply to one-family and two-family dwellings located within the jurisdictional boundaries of McMinn County outside any municipality located within the county.”
  • Owner-builder exemption · follows from the permit answerNot needed

    Unincorporated McMinn County: no county building permit is required, so there is no permit to be exempt from and you may build your own home. State licensing for electrical, plumbing and HVAC work may still apply.

    • The resolution applies only to unincorporated areas; incorporated municipalities are outside its scope.
    • The resolution does not prohibit an owner from contracting with a builder to construct the dwelling to a specific building code.
    “that statewide building code standards, adopted pursuant to Title 68, chapter 120, shall not apply to one-family and two-family dwellings located within the jurisdictional boundaries of McMinn County outside any municipality located within the county.”
  • Building code adoptedNot adopted (with conditions)

    The Tennessee State Residential Building Program for one- and two-family dwellings in McMinn County

    • The state page identifies McMinn County as OPT OUT; this does not establish the status of commercial or other building codes.
    • Incorporated municipalities may have separate status entries.
    “McMinn County | OPT OUT | Tony Wilson | twilcodes@bellsouth.net | 423-261-5159”
  • County-wide zoningPresent (with conditions)

    Development regulated by the McMinn County, Tennessee Regional Zoning Resolution within the jurisdiction of McMinn County, including county-regulated areas; the cited amendment concerns flooding and National Flood Insurance Program eligibility.

    • The official agenda identifies an amendment to the regional zoning resolution but does not provide the complete current zoning text, zoning map, district schedule, or all applicability boundaries.
    • The cited amendment is specifically intended to minimize danger to life and property due to flooding and maintain eligibility for participation in the National Flood Insurance Program.
    • Municipal zoning rules may separately apply within incorporated municipalities listed by the county.
    “Resolution Adopted for the Purpose of Amending the McMinn County, Tennessee Regional Zoning Resolution Regulating Development within the Jurisdiction of McMinn County, Tennessee, to Minimize Danger to Life and Property Due to Flooding, and to Maintain Eligibility for Participation in the National Flood Insurance Program”
  • Local zoningPresent (with conditions)

    The McMinn County, Tennessee Regional Zoning Resolution regulating development within the jurisdiction of McMinn County.

    • The cited county agenda concerns an amendment addressing flooding and eligibility for participation in the National Flood Insurance Program.
    • The complete zoning resolution, district boundaries, and all applicable development standards were not located in the reviewed official county materials.
    • This claim concerns county zoning authority and does not attribute separate municipal zoning ordinances to McMinn County.
    “A RESOLUTION ADOPTED FOR THE PURPOSE OF AMENDING THE MCMINN COUNTY, TENNESSEE REGIONAL ZONING RESOLUTION REGULATING DEVELOPMENT WITHIN THE JURISDICTION OF MCMINN COUNTY, TENNESSEE, TO MINIMIZE DANGER TO LIFE AND PROPERTY DUE TO FLOODING, AND TO MAINTAIN ELIGIBILITY FOR PARTICIPATION IN THE NATIONAL FLOOD INSURANCE PROGRAM. [...] This Resolution shall apply to all areas within the unincorporated area of McMinn County, Tennessee.”
  • Minimum lot sizeSpecified

    Residential subdivision lots in the McMinn County planning region.

    • Residential lots must meet zoning ordinance lot-width and lot-area requirements where applicable.
    • If no zoning ordinance applies, residential lots must be at least 75 feet wide at the setback line.
    • Lots without public water and sanitary sewer require at least 35,000 square feet, or more if specified by the County Health Officer, to accommodate a well and septic tank.
    • Lots with individual septic tanks where public water is available require at least 20,000 square feet.
    • Lots served by public water and public sanitary sewer require at least 7,500 square feet.
    • Health Officer standards may require larger lots.

    minimum lot width without zoning ordinance: >= 75 feet (At the setback line.) · lot area without public water and sanitary sewer: >= 35000 square feet (May be larger when specified by the County Health Officer.) · lot area with individual septic and public water: >= 20000 square feet · lot area with public water and public sanitary sewer: >= 7500 square feet

    “Lots not served by public water and sanitary sewer systems shall be a minimum of thirty-five thousand (35,000) square feet in area or larger when specified by the County Health Officer (TDEC) to adequately accommodate both a fresh-water well and septic tank on the same lot. Where individual septic tanks are used and public water is available minimum lot size shall be twenty thousand (20,000) square feet.”
  • SetbacksSpecified

    Building setbacks in the absence of a controlling zoning ordinance in the McMinn County planning region.

    • The subdivision regulations state these setbacks apply in the absence of a zoning ordinance.
    • All minimum setback requirements apply to boundaries abutting public or private road rights-of-way, property lines, or access easements intended for vehicular use.

    front yard setback: 35 feet · side yard setback: 10 feet · rear yard setback: 15 feet · corner lot setback: 20 feet

    “In the absence of a Zoning Ordinance the setback lines shall be as follows: a. Front Yard...............................................................................35 feet b. Side Yard................................................................................10 feet c. Rear Yard ...............................................................................15 feet d. Corner Lot...............................................................................20 feet”
  • Living in an RVLimited

    Travel trailer parks and travel-trailer spaces in the unincorporated areas of McMinn County; the source does not establish a generally applicable duration limit for a single RV on private land.

    • The resolution applies within the unincorporated areas of McMinn County.
    • A permit is required for travel trailer parks.
    • The annual travel-trailer-park permit fee is determined by the McMinn County Commission and listed in the Schedule of Fees.
    • Each travel-trailer space must be at least 2,400 square feet, with minimum dimensions of 30 by 80 feet.
    • Travel-trailer spaces must be separated by at least 15 feet.
    • Travel-trailer parks must provide internal private roads, rather than taking access directly from a public road.
    • Sewage disposal must be approved in writing by the health officer; public sewer must be attempted first, with septic allowed if public sewer is infeasible and soil and disposal-area conditions are suitable.
    • No travel trailer may be placed over a soil absorption field.
    • If the resolution conflicts with another county resolution or state law, the higher standard applies.
    • Previously permitted parks under the September 11, 1971 resolution may continue subject to public-health requirements, but the current resolution governs parks re-established after more than one year of discontinuance, extensions or enlargements, and certain rebuilding, alteration, or repair after the effective date.
    • Amendments require thirty days' official notice and a public hearing, and must first be submitted to the planning commission.

    minimum travel-trailer-space area: >= 2400 square feet · minimum travel-trailer-space width: >= 30 feet · minimum travel-trailer-space length: >= 80 feet · minimum separation between travel-trailer spaces: >= 15 feet

    “NOW THEREFORE, BE IT RESOLVED by the McMinn County Commission that the regulations contained in the following articles be adopted to govern various aspects of mobile home parks and travel trailer parks within the unincorporated areas of McMinn County.”
  • Manufactured homesLimited

    Mobile/manufactured homes and mobile-home parks in unincorporated McMinn County

    • A permit is required for mobile-home parks and single mobile homes.
    • Individual mobile homes located on a lot by themselves are not regulated by the mobile-home resolution but must meet the same standards as conventional residences and comply with county subdivision regulations.
    “Although individual mobile homes to be located on a lot by themselves, are not regulated by this resolution, they shall meet the same standards as conventional residences, and comply with the McMinn County Subdivision Regulations”
  • Off-grid sanitationLimited

    Mobile-home and travel-trailer parks in unincorporated McMinn County

    • Public sewer must be attempted first.
    • A septic tank and subsurface soil absorption system may be used only if public sewer is infeasible, soil is suitable, and adequate disposal area is available.
    • The health department's current standards apply.
    “The developer of a mobile home park shall first attempt to dispose of sewage through a public sewerage system. If this attempt is not feasible, then a septic tank and subsurface soil absorption system may be used provided the soil characteristics are suitable and an adequate disposal area is available.”
  • Mandatory utility hookupWater and sewer (with conditions)

    Mobile-home and travel-trailer parks in unincorporated McMinn County

    • Public water must be used exclusively when available within 1,000 feet.
    • The developer must first attempt public sewer; if infeasible, an approved septic system may be used.
    • Water, sewer, health-department, utility, and state requirements apply.

    public water availability distance: <= 1000 feet (If available, public water must be used exclusively.)

    “The developer of a mobile home park shall attach to any public water supply located within one thousand (1,000) feet of the proposed mobile home park. If such a public water supply is available it shall be used exclusively.”
  • Subdividing landRegulated (with conditions)

    Subdivision platting in the McMinn County planning jurisdiction.

    • The Planning Commission is the official platting authority.
    • A subdivision plat must be approved before recording.
    • The planning region is land outside incorporated municipalities and their planning regions, if any.
    “REGULATIONS CONTROLLING THE SUBDIVISION OF LAND IN MCMINN COUNTY, TENNESSEE: REQUIRING AND REGULATING THE PREPARATION AND PRESENTATION OF PRELIMINARY AND FINAL DESIGN STANDARDS”
  • Building in a floodplainLimited

    Development in floodplain and floodway areas within the McMinn County planning jurisdiction.

    • Each subdivision lot must contain a flood-free building site.
    • New structures and substantially improved structures must comply with the McMinn County Flood Damage Prevention Resolution.
    • The 100-year flood is the regulatory flood; floodway areas must remain unobstructed and flood-fringe uses must be protected by fill, floodproofing, or otherwise protected.

    regulatory flood recurrence: 100 years

    “Each lot in a subdivision shall contain a flood-free building site outside of the limits of any existing easement or the building setback lines as required by these regulations. New structures and those meeting the definition of a substantially improved structure shall comply with the requirements of the McMinn County Flood Damage Prevention Resolution”
    One more reviewed finding on this topic
  • Permit feesVariable (with conditions)

    Mobile-home and travel-trailer park permits in unincorporated McMinn County

    • Annual fees are determined by the McMinn County Commission and listed in the county Schedule of Fees.
    • The regulation states that the current MCRPC recommendation was no charge; this is not a current fee schedule.
    “The annual permit fee for mobile home parks shall be determined by the McMinn County Commission and listed in the McMinn County Schedule of fees.”

Tennessee rules that apply here

  • Certificate of occupancyLimited

    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.

    • The owner or contractor may obtain a state building permit to request the inspection.
    • The Certificate of Occupancy is released only if the dwelling is determined to meet statewide building construction safety standards.
    • The source describes this process for opt-out or non-code jurisdictions and for new construction or additions to existing homes.
    “determined to meet the statewide building construction safety standards, the State Fire Marshal’s Office will release a Certificate of Occupancy”
  • 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.”
    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.”
  • 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.”
    3 more reviewed findings on this topic
    • State — Subsurface sewage disposal systems in McMinn County, a non-contract county.
      “Contract Counties: Blount, Davidson, Hamilton, Jefferson, Knox, Madison, Sevier, Shelby & Williamson”
    • State — Subsurface sewage disposal systems serving property in McMinn County
      “Where do I obtain information concerning a septic tank permit or my existing septic tank? Call (423) 296-2260 or go to the Tennessee State Government website.”
    • 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.”
  • 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.”
    4 more reviewed findings on this topic
    • Required — Installation of conventional or alternative subsurface sewage disposal systems, and repair or modification of existing septic systems, in McMinn County, Tennessee.
      “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 [...] A Conventional Septic System Permit is required for the installation of a conventional septic system (or approved substitute product) to serve a residence, retail or commercial building.”
    • Required — Installation or repair of a subsurface sewage disposal system on property in McMinn County.
      “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.”
    • Required — Installation of a subsurface sewage disposal system or repair of an existing faulty septic system serving property in McMinn County.
      “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.”
    • Required — Installation of a conventional subsurface septic system serving a residence, retail building, or commercial building in Tennessee, including McMinn County.
      “A Conventional Septic System Permit is required for the installation of a conventional septic system (or approved substitute product) to serve a residence, retail or commercial building.”
  • 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.”
  • 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.””
  • 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”
  • 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.

  • Inspections — Residential building inspections in unincorporated McMinn County.
  • Zoning districts — Published zoning districts for McMinn County.
  • Minimum dwelling size — Minimum dwelling size requirements in McMinn County.
  • Lot coverage — Lot coverage limits in McMinn County.
  • Building height — Building-height limits in McMinn County.
4 more unanswered
  • Tiny homes
  • Accessory dwellings
  • Well permit
  • 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 McMinn County, Tennessee

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

McMinn County scores 73/100 on the Bolthole Index, a strong county profile. Its strengths: manageable long-term carry cost and low administrative friction for a quiet rural property. Watch-outs: about 102,978 people within a 30-minute drive.

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

McMinn County does not require a county building permit for a home in unincorporated areas, and it enforces county zoning. Onsite septic is permitted by Tennessee Department of Environment and Conservation (TDEC), Division of Water Resources - Subsurface Sewage Disposal Program. 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.

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

Living in an RV on your own land in McMinn County is limited to specific cases: Travel trailer parks and travel-trailer spaces in the unincorporated areas of McMinn County; the source does not establish a generally applicable duration limit for a single RV on private land. The resolution applies within the unincorporated areas of McMinn County. A permit is required for travel trailer parks. Confirm with the county before relying on it.

How much does land cost in McMinn County, Tennessee?

Land in McMinn County runs about $5,610 per acre, based on the latest county data.

What is the water situation in McMinn County?

McMinn County gets about 56.3" of rain a year, with severe drought in roughly 8% of years.

How remote is McMinn County?

A representative private-land location has about 102,978 people within a 30-minute drive and 2,813,184 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.

How McMinn compares in Tennessee

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