Bolthole Index

Polk County, Tennessee

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

73Index Score / 100
#41 of 95 in Tennessee

Polk County, Tennessee requires a building permit for construction outside municipal limits; the county fee is $25 and applications go through the Assessor of Property.123 Polk County has opted out of Tennessee’s state residential building program, but that does not eliminate the county building-permit requirement.41 TDEC handles septic permits and inspections.56

At a glance

Building permit
Required for construction outside municipal limits1
County permit contact
Polk County Assessor of Property3
County permit fee
$25 for construction outside municipal limits2
Land-use controls
Subdivision rules apply in the Polk County planning region; current countywide zoning was not confirmed7
Septic
TDEC permit and final inspection required586
Owner-builder
Available for an owner’s own residence under state conditions9
Subdivision lot size
Varies by water, sewer and septic service10

Who to call

Building permits

Polk County Assessor of Property

Building and mobile home/RV permits for construction outside Polk County municipal limits

423-338-4505

6239 Highway 411 Room 209, Benton, TN 37307

Septic permits

Tennessee Division of Water Resources

Septic-system construction and repair permits for Polk County

(888) 891-TDEC (8332)

Davy Crockett Tower, 500 James Robertson Parkway, Nashville, TN 37243

Online permits →

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

Off-grid gear

Going off-grid in Polk 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.

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

Yes. Polk County requires a building permit for construction outside municipal limits and publishes a $25 county fee.12 Construction inside city limits uses the appropriate city hall’s permit process instead.3

Polk County is listed as having opted out of Tennessee’s state residential building program.4 That opt-out does not cancel Polk County’s separate building-permit requirement, and the available sources do not establish whether the county has adopted its own residential code.41 Ask the Assessor of Property which plans and building inspections apply to the proposed structure because a complete county inspection schedule could not be confirmed.

Who issues Polk County building permits, and how do you reach them?

For construction outside municipal limits, apply through the Polk County Assessor of Property at 6239 Highway 411, Room 209, Benton, Tennessee.3 The county building-permit fee is $25, although the published information does not identify any additional permit or inspection charges.11

A new E-911 address is required before a new electrical meter can be installed.1 Before an electrical inspector processes new service, written notice must also show that the property has public sewer, that a septic permit has been applied for, or that an existing septic system will be used.12 Inside a municipality, contact the appropriate city hall for its building-permit process; TDEC remains the septic contact for Polk County.35

Does Polk County have zoning, and what land rules apply?

We could not confirm a current countywide zoning ordinance or zoning map for unincorporated Polk County. The county’s verified subdivision regulations still control land divisions in the Polk County planning region, and subdivision plats need Planning Commission approval before recording.7

For subdivision lots without both public water and sanitary sewer, the minimum is three-quarters of an acre or 32,670 square feet, unless the county health authority requires more.10 With public water and individual septic, the general minimum is one-half acre or 21,780 square feet; with public water and sewer, it is 12,000 square feet.10 In the absence of a zoning ordinance, covered subdivision lots generally use a 25-foot front setback and a 15-foot rear setback, with separate side and conservation-subdivision standards.1314 These are subdivision standards, not proof of setbacks for every existing parcel.

How do septic permits work in Polk County?

TDEC’s Division of Water Resources handles Polk County septic permits and inspections.5 A septic permit is required to construct, modify or repair a system, and approval should come before dirt work or construction of the building pad.8 TDEC performs a final inspection before the system is covered and issues a Certificate of Completion when the installation is approved.6

Only 12.5% of Polk County soils are rated without severe limitations for a conventional drain field, so arrange the soil and site work early.15 A septic-related Subdivision Evaluation requires a survey and a soils map prepared by a Tennessee-licensed soils consultant when land is divided for development using septic; divisions in which every tract is at least 5 acres are excluded from that particular definition.16

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

Polk County’s permit contact handles mobile home/RV permits outside municipal limits, but we could not confirm whether long-term RV occupancy or temporary camping is allowed on an individual private parcel.17 Ask the Assessor of Property about the proposed parcel and use before buying or moving an RV onto the land.

We also could not confirm a special tiny-home occupancy rule or a minimum dwelling floor area. A tiny home built as a residence still falls within Polk County’s stated building-permit requirement for construction outside municipal limits.1 If the project creates subdivision lots, the county’s lot-area, width and conditional setback standards can apply even though no minimum dwelling size was confirmed.1013

Building a home in Polk County: what are the steps?

  1. Confirm whether the parcel is outside municipal limits; county construction uses the Assessor of Property, while construction inside city limits uses the appropriate city hall.3
  2. If land will be divided, obtain the required Planning Commission approval before recording the plat.7
  3. Apply to TDEC for septic approval before dirt work or building-pad construction.8
  4. Secure a new E-911 address and the written sewer-or-septic documentation needed for a new electrical meter.112
  5. Obtain the county building permit and pay the published $25 fee.2
  6. Arrange TDEC’s final septic inspection before covering the system.6

An owner may build one residence for personal use once every two years if it is not for resale, lease or rent; hired work of $25,000 or more remains subject to contractor-licensing requirements.9

What should you check before buying land in Polk County?

Start with the parcel’s buildable area and wastewater plan. Only 12.5% of county soils are rated without severe limits for a conventional septic drain field, and 26.2% of the land has a slope of 15% or less.1518 Those countywide measures do not decide one site, but they make early soil evaluation and careful placement of the house, driveway and drain field worthwhile.

For a proposed subdivision, confirm the applicable lot size, setbacks, plat approval and utility layout with the Planning Commission.10137 A subdivision within a public-water service area or within 500 feet of a public water system, whichever is more stringent, must install public water to serve its lots.19 Private-well requirements and parcel-specific floodplain rules could not be confirmed. Polk County’s effective property-tax rate is about 0.6%, and the median annual property-tax bill is $770.2021

Watch-outs

  • Polk County’s state residential-program opt-out does not remove the county building-permit requirement outside municipal limits.41
  • Do not begin dirt work or building-pad construction before obtaining the required septic approval.8
  • Subdivision lot sizes and setbacks vary with utility service and subdivision type; do not apply the general standards to every existing parcel.101314
  • RV occupancy, tiny-home occupancy, private-well requirements and a current countywide zoning ordinance could not be confirmed; ask the Polk County Assessor of Property about the parcel and proposed use.17

Sources

  1. Property Assessor, quoted and re-checked
  2. Property Assessor, quoted and re-checked
  3. Property Assessor, quoted and re-checked
  4. Residential Jurisdictions & Inspectors, quoted and re-checked
  5. Septic System Construction Permit, quoted and re-checked
  6. Subsurface Sewage Disposal System Frequently Asked Questions, quoted and re-checked
  7. Register of Deeds — Planning Commission Regulations, quoted and re-checked
  8. Septic System Construction Permit, quoted and re-checked
  9. Residential Permit FAQs, quoted and re-checked
  10. Subdivision Regulations of Polk County, Tennessee, quoted and re-checked
  11. Property Assessor, quoted and re-checked
  12. Online Application for Septic Related Services, quoted and re-checked
  13. Subdivision Regulations of Polk County, Tennessee, quoted and re-checked
  14. Subdivision Regulations of Polk County, Tennessee, quoted and re-checked
  15. 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
  16. Online Application for Septic Related Services, quoted and re-checked
  17. Polk County Assessor of Property (polkcountytn.gov)
  18. Share of land at 15% slope or less: Bolthole Index county data
  19. Subdivision Regulations of Polk County, Tennessee, quoted and re-checked
  20. Effective property tax rate: Bolthole Index county data
  21. Median property tax bill: Bolthole Index county data

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.

Found land here? Start a Property Hunt →

Compared with neighboring counties

Like 5 of its 6 neighbors, Polk County has countywide zoning.

RulePolk CountyBradley CountyMcMinn CountyMonroe CountyMeigs CountyHamilton CountyRhea County
Building permitRequiredRequiredNot requiredLimitedRequiredRequiredRequired
County zoningYesYesYesNoYesYesYes
Septic permitsTDECTDECTDECTDECTDECCounty Groundwater ProtectionTDEC

County locator

Polk County in Tennessee

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

How Polk County scores

Seclusion53100% ev.
Self-Sufficiency64100% ev.
Admin Boringness50100% ev.
Durability67100% ev.
Property Autonomy71100% ev.
Carry Cost79100% 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 →

$261kTypical home
0.6%Property tax
$6,300Land / acre
57.6"Annual rain
7.9% of yrsSevere drought
3.9 / yr (+3.8)Mid-century 100°F days
12.8 daysMid-century dry spell
2.4" (+10.3%)Mid-century 1-day rain
1.5×Wildfire change factor
100%Forward climate coverage
$1,719Home insurance / yr
0.7% / yrInsurance growth
0.82%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
19,280People within 30 min
2,885,292People within 2 hr
88,965Radius comparison (15 mi)
41.5People / sq mi
9.3%Federal land
26.2%Land at 15% slope or less
12.5%Soils rated "not limited" for septic (strict USDA rating)
30,867 acWorkable land screen
88.5%Wooded land
67.4 tonsBiomass / forest ac
58.4°FAvg temp

Scout Polk 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 Polk 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.

Cities and towns in Polk 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.

Town of Benton · Copperhill · Ducktown

Answers from the rulebook for Polk County

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

Polk County rules

  • Building permitRequired

    Construction outside municipal limits in Polk County.

    • Construction within city limits requires permits from the appropriate city hall.
    • A new E-911 address is required before installing a new electrical meter.

    permit fee: 25 USD

    “Building permits are required in Polk County for construction outside municipal limits. A new E-911 address is required before installing a new electrical meter. Septic permits may be applied for through the Tennessee Department of Environment and Conservation.”
  • Minimum lot sizeSpecified

    Residential subdivision lots in Polk County's planning region.

    • Residential lots must meet TDEC lot-area requirements and be at least 75 feet wide at the building setback line.
    • Lots without public water and sanitary sewer must be at least three-quarters of an acre or 32,670 square feet, or a size specified by the county health authority to accommodate a well and septic system.
    • Where individual septic systems are used with public water, the minimum is one-half acre or 21,780 square feet unless the conservation-design standards provide otherwise.
    • The health officer may prescribe larger minimum lot sizes.
    • Residential lots with public water and public sewer must be at least 12,000 square feet.
    • Conservation subdivision standards provide alternative lot sizes.

    minimum residential lot width at building setback line: >= 75 feet · minimum lot area without public water and sanitary sewer: 3/4 acre or 32,670 square feet (or size specified by county health authority) · minimum lot area with public water and individual septic: 1/2 acre or 21,780 square feet (unless otherwise stated in Conservation Design Standards) · minimum lot area with public water and public sewer: >= 12000 square feet

    “A. Residential lots shall meet the lot area requirements of TDEC. In no instance shall residential lots be less than seventy-five (75) feet wide at the building setback line. [...] C. Lots not served by public water and sanitary sewer systems shall be at least ¾ of an acre or 32,670 square feet in area or of a size specified by the county health authority [...] D. Where individual septic systems are used on lots served by a public water system, minimum lot size shall be at least ½ of an acre or 21,780 square feet unless stated otherwise in Conservation Design Standards in Polk County Subdivision Regulations. [...] E. Residential Lots which have Public Water and Public Sewer shall be at least twelve thousand (12,000) square feet. F. For alternative lot sizes see Article 9 for Conservation Design Standards.”
  • SetbacksSpecified

    Building setbacks for lots within the Polk County planning region, defined by the regulations as land in Polk County outside incorporated municipalities and their planning regions, when the subdivision regulations apply and no zoning ordinance supplies a different standard.

    • The rule applies to subdivision lots within the planning region, not residential lots generally.
    • It applies in the absence of a zoning ordinance.
    • Where zoning regulations, building codes, or other official regulations contain a different minimum standard or dimension, the higher or more restrictive standard applies.
    • The regulation states that the setback provision was amended June 2017.
    • Corner lots require a 20-foot side setback when abutting a right-of-way or easement.
    • Conservation subdivisions have separate setback standards under Article 9, Section 9.02.
    • Variances may be authorized under Article 16.01.

    front setback from right-of-way or easement: 25 feet (In the absence of a zoning ordinance.) · side setback from property line: 10 feet (There must be a total of 20 feet between structures.) · rear setback from property line: 15 feet (In the absence of a zoning ordinance.) · corner-lot side setback when abutting right-of-way or easement: 20 feet

    “From Frontright-of-way or easements[...] 25 feet[...] From rear property line[...] 15 feet”
    One more reviewed finding on this topic
    • District specific (with conditions) — Residential building setbacks in Polk County conservation subdivisions governed by Article 9, Section 9.02 of the subdivision regulations.
      “Front yard setbacks shall be a minimum of ten (10) feet”
  • Mandatory utility hookupConditional

    Subdivision development within the Polk County planning region

    • Where a subdivision is within the service area or 500 feet of a public water system, whichever is more stringent, public water must be installed to serve all lots.
    • Public-water and public-sewer subdivisions have different minimum lot-size standards.
    • Utility plans require approval by the applicable utility and planning authorities.

    public water proximity threshold: <= 500 feet (service area controls if more stringent)

    “When the subdivision is located within the service area or 500’, whichever is more stringent, of a public water system, public water shall be installed”
  • Subdividing landRegulated (with conditions)

    Subdivision of land within the Polk County Planning Region, defined by the regulations as land in Polk County outside incorporated municipalities and their planning regions, if any; the Polk County Regional Planning Commission is the platting authority.

    • No plat of land subdivision may be recorded by the Polk County Register of Deeds unless it has approval of the Planning Commission.
    • Transfer, sale, agreement to sell, or negotiation to sell land by reference to or use of an unapproved and unrecorded subdivision plat is prohibited.
    • A subdivision is generally a division into two or more lots, sites, or other divisions requiring new street or utility construction, or any division of less than five acres for sale or building development; resubdivision is included.
    • A major subdivision has five or more lots or involves a new road or public water or sewer extension regardless of the number of lots and requires Planning Commission approval.
    • A minor subdivision has four or fewer lots and does not involve a new road or public water or sewer extension and requires Planning Commission approval.
    • A simple land split is a division into two or fewer lots without new utility or street extensions and without a variance request requiring staff or Planning Commission approval.
    • Final-plat review includes conformance with the tentatively approved preliminary plat and the regulations; if the Commission does not act within 60 days of submission, the final plat is considered approved and certification may be issued on demand, unless the applicant waives the requirement and consents to an extension.
    • For a subdivision with a private road, final approval requires a chartered homeowners association, membership noted in individual deeds, and a charter stating specified maintenance and financial responsibilities.
    • The regulations state that they were adopted May 8, 1970, amended through June 20, 2017, and adopted by the Planning Commission on June 20, 2017.

    small-division threshold: <= 2 lots (Simple land split only where there are no new utility or street extensions and no variance request requiring staff or Planning Commission approval.) · minor-subdivision threshold: <= 4 lots (Must not involve a new road or public water or sewer extension.) · major-subdivision threshold: >= 5 lots (A subdivision involving a new road or public water or sewer extension is major regardless of lot count.) · final-plat action deadline: 60 days (Applicant may waive the requirement and consent to an extension.)

    “Subdivision plats must receive the required Planning Commission approval before they may be recorded by the Register of Deeds.”
  • Permit feesPublished

    County building permits for construction outside municipal limits.

    • The county page identifies the fee as $25.
    • Construction within city limits requires permits from the appropriate city hall; the county fee statement does not establish municipal fees.

    county building permit fee: 25 USD

    “County Builds: Assessor of Property, 6239 Highway 411 Room 209, Benton, TN 37307, 423-338-4505. Permit fee: $25.”
    One more reviewed finding on this topic
    • Published (with conditions) — County building permits for construction outside municipal limits.
      “County Builds: Assessor of Property, 6239 Highway 411 Room 209, Benton, TN 37307, 423-338-4505. Permit fee: $25.”
  • Permit processPartial

    County building-permit and subdivision processes in unincorporated Polk County

    • Building permits are handled through the county Assessor of Property office.
    • A new E-911 address is required before a new electrical meter.
    • Subdivision applicants must obtain planning-commission approval before final recording.
    • Municipal construction uses the relevant city-hall process.
    “The Planning Commission shall be the official platting authority, and no plat of land subdivision shall be entitled to be recorded”
    One more reviewed finding on this topic
    • Published (with conditions) — County building-permit process for construction outside municipal limits.
      “Building permits are required in Polk County for construction outside municipal limits. A new E-911 address is required before installing a new electrical meter. Septic permits may be applied for through the Tennessee Department of Environment and Conservation. County Builds: Assessor of Property, 6239 Highway 411 Room 209, Benton, TN 37307, 423-338-4505. Permit fee: $25. Construction within city limits requires permits from the appropriate city hall.”
  • County-wide zoningPresent

    Polk County has a county Planning Commission with zoning powers over the unincorporated areas of the county (meets monthly in Benton/Ducktown).

    Polk County TN Government - Planning Commission ↗Scouted from the county site, not yet independently re-checked

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).”
    One more reviewed finding on this topic
    • Available (with conditions) — An owner constructing a single residence for the owner's own use in Tennessee, including Polk County subject to applicable permit and local requirements.
      “Yes. Pursuant to TCA § 62-6-103, an owner of property may construct a single residence once every two years for his/her own use, as long as it is not for resale, lease or rent without being a licensed contractor. However, anyone hired by the homeowner whose portion is $25,000 or more would not be exempt from the contractors’ licensing requirements.”
  • Building code adoptedPartial

    Tennessee State Fire Marshal's Office residential building-code standards for one- and two-family dwellings and townhomes statewide, except where a qualifying local government enforces its own current residential code or has opted out.

    • The State Fire Marshal's Office has adopted the 2018 International Residential Code with amendments.
    • For one- and two-family dwellings and townhomes, the adopted energy code is the 2018 International Energy Conservation Code with amendments.
    • The statewide program applies only in areas that have not received an exemption from the State Fire Marshal's Office because local building codes are enforced by the local government or opted out of state residential building codes and enforcement by a two-thirds vote of the city or county legislative body.
    • A qualifying local jurisdiction may continue operating its own program if its building code is current within seven years of the most recent edition; other versions may be approved in writing by the State Fire Marshal's Office.
    • A county legislative body may vote to remove unincorporated areas of the county from the state program, and a city legislative body may vote to remove the city from the state program.
    • A city or county may opt out by passage, by a two-thirds vote, of a resolution exempting the city or county; the opt-out resolution expires 180 days following the date of the election for the city or county's legislative body.
    • If the subsequent legislative body does not vote to opt out before the resolution expires, the State Fire Marshal's Office begins enforcing the residential building-code requirements until the city or county enforces residential building codes or passes another opt-out resolution.
    • The State Fire Marshal's Office enforces only the codes it adopts; local governments enforce other locally adopted codes or requirements.
    • The state residential building permit is a building permit only and is not grading or fill approval, floodplain compliance, a septic or sewer permit, an electrical permit, or zoning approval.
    • The permit fee is based on the cost of construction and covers all required inspections and one free re-inspection; additional re-inspections cost $100 each.

    International Residential Code edition: 2018 (with amendments) · International Energy Conservation Code edition for one- and two-family dwellings and townhomes: 2018 (with amendments) · local-code currency window: <= 7 years (other versions can be approved in writing by the State Fire Marshal's Office) · opt-out vote: two-thirds vote (resolution expires 180 days following the date of the election for the city or county's legislative body) · additional re-inspection fee: 100 USD (one re-inspection per permit is free)

    “The codes currently adopted by the Tennessee State Fire Marshal’s Office are: [...] International Residential Code (IRC), 2018 edition, published by the ICC, with amendments;”
    One more reviewed finding on this topic
    • Partial — State residential building-code adoption and enforcement status applicable to Polk County and its municipalities.
      “Polk County | OPT OUT | Tony Wilson | twilcodes@bellsouth.net | 423-261-5159 [...] OPT OUT - The jurisdiction has passed a resolution opting out of the program [...] This information is accurate as of 8/21/2026.”
  • 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 Polk County.
      “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”
    • State — Subsurface sewage disposal permits and inspections serving Polk County
      “Completed application forms and application fees should be sent to the Division of Water Resources at the appropriate Environmental Field Office.”
    • 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.”
    2 more reviewed findings on this topic
    • Required — Installation or repair of a subsurface sewage disposal system serving property in Polk 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 — Construction, modification, or repair of septic systems in Polk County
      “A septic system permit is required for the construction, modification or repair of a septic system.”
  • 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.”
    2 more reviewed findings on this topic
    • Required — Installation of subsurface sewage disposal systems in Polk County.
      “The Division inspects each SSDS installation to ensure that it was installed in accordance with permit conditions and regulatory requirements.”
    • Required — Installed septic systems in Polk County
      “The Division inspects each SSDS installation to ensure that it was installed in accordance with permit conditions and regulatory requirements.”
  • 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”
  • Building in a floodplainLimited

    Development in or near mapped floodplains throughout Tennessee, insofar as Tennessee's statewide floodplain-management guidance describes locally administered requirements.

    • Floodplain development requirements are managed locally by the community where the property is located.
    • Each NFIP-participating community has a local floodplain administrator who helps manage development in mapped flood hazard areas.
    • If the property is inside city limits, contact the city floodplain administrator; if outside city limits, contact the county floodplain administrator.
    • Local review may be required before development begins in a regulated floodplain.
    • Requirements vary by community and are based on the local floodplain management ordinance and flood zones mapped in that community.
    • Development activity that may require local review includes construction, repairs, substantial improvements, placement of fill, grading, excavation, manufactured homes, accessory structures, or other development activity.
    • Floodplain management ordinances are adopted, administered, and enforced by the local community, not by TEMA.

    local review before development in a regulated floodplain: may be required (Requirements vary by community and mapped flood zone.)

    “Floodplain development requirements are managed locally. Each community that participates in the National Flood Insurance Program has a local floodplain administrator who helps manage development in mapped flood hazard areas. [...] If the property is inside city limits, contact the city floodplain administrator. If the property is outside city limits, contact the county floodplain administrator. [...] Local review may be required before development begins in a regulated floodplain. Requirements vary by community and are based on the local floodplain management ordinance and flood zones mapped in that community.”
  • 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 — Building inspections for construction outside municipal limits in Polk County.
  • Local zoning — Aggregate local zoning status across Polk County, including incorporated municipalities and unincorporated areas.
  • Zoning districts — Published zoning districts or zoning maps in Polk County.
  • Minimum dwelling size — Minimum dwelling size requirements for residential dwellings in unincorporated Polk County.
  • Lot coverage — Lot-coverage requirements in Polk County.
8 more unanswered
  • Building height
  • Living in an RV
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Off-grid sanitation
  • 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 Polk County, Tennessee

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

Polk County scores 73/100 on the Bolthole Index, a strong county profile. Its strengths: manageable long-term carry cost and a stronger property-autonomy legal backdrop.

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

Polk County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Tennessee Dept. of Environment and 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 Polk County, Tennessee?

Land in Polk County runs about $6,300 per acre, based on the latest county data.

What is the water situation in Polk County?

Polk County gets about 57.6" of rain a year, with severe drought in roughly 7.9% of years.

How remote is Polk County?

A representative private-land location has about 19,280 people within a 30-minute drive and 2,885,292 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 Polk compares in Tennessee

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