Carter County, Tennessee requires a county building permit for new construction through Carter County Planning & Zoning1. The same office administers county zoning, subdivision and critical-area regulations2. Septic permits go through the Tennessee Department of Environment and Conservation's Johnson City Environmental Field Office3. Tennessee also allows a qualifying owner-builder to take out one permit every two years for a personal residence4.
At a glance
- Building permit
- Required, issued by Carter County Planning & Zoning1
- Zoning
- Yes: agricultural, residential, business and industrial districts5
- Septic permit
- Required statewide; issued by TDEC's Johnson City Environmental Field Office36
- New conventional septic permit fee
- $400, up to 1,000 gallons per day design flow6
- Owner-builder exemption
- Yes — one owner-builder permit every two years for a home that won't be sold, leased or rented4
- A-1B setbacks
- No setbacks for homes and mobile homes on individual lots7
- Floodplain review
- Handled by Carter County Planning & Zoning8
- Driveway on a state highway
- Requires a separate TDOT entrance permit9
Who to call
Building permits
Carter County Planning & Zoning
Residential building permit review, approval and administration; floodplain (FEMA) review; and litter ordinance enforcement for Carter County
300 N. Main St., Elizabethton, TN 37643
Zoning
Carter County Planning & Zoning
Administration of county zoning, subdivision and critical-area regulations, plus comprehensive planning for Carter County
300 N. Main St., Elizabethton, TN 37643
Septic permits
TDEC Johnson City Environmental Field Office
Septic System Construction Permits and related environmental services for Carter, Greene, Hancock, Hawkins, Johnson, Sullivan, Unicoi and Washington counties
2305 Silverdale Drive, Johnson City, TN 37601-2162
Contact details are copied from each office’s official page and were checked against it on September 28, 2026.
Do you need a building permit in Carter County, Tennessee?
Yes. Carter County Planning & Zoning performs residential building permit review, approval and administration, and a county building permit is required for new construction1. Tennessee's state residential program applies only in certain places where the State Fire Marshal's Office administers the code; it does not replace local zoning, floodplain, septic, sewer or other approvals10. Start with Carter County Planning & Zoning for the local application and ask which adopted code edition, inspections and occupancy approval apply to your project, because those details have not been confirmed. A Tennessee owner building one residence for personal use may obtain one owner-builder permit every two years if the home will not be sold, leased or rented11.
Who handles building permits in Carter County, and how do you reach them?
Carter County Planning & Zoning is the county building department for residential permit review, approval and administration12. The office also administers zoning, subdivision and critical-area regulations and performs floodplain review138. Reach the office at 300 N. Main St., Elizabethton, TN 37643, by phone at (423) 542-1834 or by email at [email protected]12. General office hours run Monday through Friday, while building-permit service is offered from 8:00 a.m. to 11:00 a.m.12. Ask the office for the current application requirements, fee, inspection sequence and certificate-of-occupancy process before budgeting the build; those county details have not been confirmed.
Does Carter County have zoning?
Yes. Carter County publishes agricultural, residential, business and industrial zoning districts administered by Carter County Planning & Zoning5. The A-1B district has an unusually specific exception: homes and mobile homes on individual lots require no setbacks there, but that statement does not establish the setback rules in other districts7. Tennessee delegates county zoning authority for territory outside municipal corporations, so land inside an incorporated municipality may follow a different local process14. Buildings incidental to an agricultural enterprise on land devoted to agricultural use can be exempt from county zoning, but the statewide exception does not cover qualifying agricultural land near specified highways, airports or parks, or land in the hundred-year floodplain15. Confirm the parcel's jurisdiction and district with Planning & Zoning before relying on a listed use or setback.
How do septic permits work in Carter County?
Carter County directs water-well and septic permit questions and inspection-record requests to the Tennessee Department of Environment and Conservation16. For Carter County, the local contact is TDEC's Johnson City Environmental Field Office317. A property owner must obtain a Septic System Construction Permit to install a septic system or repair a faulty system18. TDEC generally reviews a complete application in 10 days and must complete review within 45 days after submission19. A conventional permit costs $400 for up to 1,000 gallons per day of design flow, while a repair permit has no permit fee20. After installation, the applicant or installer must notify the Division so the system can be inspected and approved21. For online-application help, call 423-854-5124; the field office's main number is (423) 854-540017.
Can you live in an RV or tiny home on your land in Carter County?
We could not confirm a countywide rule allowing long-term RV occupancy, temporary camping or tiny-home occupancy on private land in Carter County. Carter County has district-based zoning, and the published descriptions distinguish agricultural, residential, business and industrial uses5. The A-1A description allows rural mobile-home parks, while the A-1B description removes setbacks for homes and mobile homes on individual lots; neither statement answers whether an RV or a tiny home may be occupied on a particular parcel57. Before buying for either use, give Carter County Planning & Zoning the parcel number, intended structure, foundation type, utility plan and proposed occupancy. Ask for the applicable district's allowed-use, setback, minimum-size and sanitation requirements; those details have not been confirmed.
Building a home in Carter County: the steps, in order
- Confirm whether the parcel is in Carter County's jurisdiction, identify its zoning district and ask Planning & Zoning about applicable uses, setbacks, floodplain review and subdivision issues2813.
- Apply to TDEC for a Septic System Construction Permit if the site will use septic; submit the completed application and fee to the appropriate Environmental Field Office1819.
- Submit the residential building-permit application to Carter County Planning & Zoning1.
- If acting as owner-builder, confirm that the personal-use and timing conditions apply before taking the permit11.
- Obtain a TDOT entrance permit before constructing or changing a driveway on state highway right-of-way9.
- Notify TDEC after septic installation so the system can be inspected and approved, and ask the county which building inspections and occupancy approval are required21.
What to check before you buy land in Carter County
Check septic feasibility before committing: only about 4.3% of Carter County soils are rated without severe limitations for a conventional drain field, so obtain a site-specific evaluation and permit decision rather than assuming a conventional system will work22. Carter County terrain deserves equal attention because just 16.7% of the land has a slope of 15% or less and 84.6% is wooded2324. Ask Planning & Zoning about floodplain review and verify legal road access; a driveway on state highway right-of-way needs a TDOT entrance permit89. Roughly 8% of Carter County is federal land, so verify adjoining ownership and survey boundaries25. The county's effective property-tax rate is about 0.5%, with a median annual property-tax bill near $8332627.
Watch-outs
- Carter County's own Planning & Zoning office issues building permits directly; the state's fire-marshal residential permit program that applies in some Tennessee counties is not the process you'll use here110.
- Only about 4.3% of Carter County soils are rated without severe limits for a conventional septic drain field, so get a site evaluation before buying22.
- We could not confirm whether long-term RV or tiny-home occupancy is allowed on a particular Carter County parcel; ask Carter County Planning & Zoning about the parcel's district and intended use5.
Sources
- Carter County TN - Planning & Zoning (2026 county census)
- Carter County TN - Planning & Zoning (2026 county census)
- TDEC - Subsurface Sewage Disposal Systems (SSDS) (2026 county census)
- Can I build my own home without a license? (2026 county census)
- Planning & Zoning | Carter County Tennessee, quoted and re-checked
- Septic System Construction Permit (Tennessee statewide rule), quoted and re-checked
- Planning & Zoning | Carter County Tennessee, quoted and re-checked
- Planning & Zoning | Carter County Tennessee, quoted and re-checked
- Highway Entrance Permits (Tennessee statewide rule), quoted and re-checked
- Residential Permit FAQs (Tennessee statewide rule), quoted and re-checked
- Can I build my own home without a license? (Tennessee statewide rule), quoted and re-checked
- Carter County Planning & Zoning (cartercountytn.gov)
- Planning & Zoning | Carter County Tennessee, quoted and re-checked
- Tennessee Attorney General Opinion No. 10-108 (Tennessee statewide rule), quoted and re-checked
- Exemption from County Zoning Regulation for Buildings on Land Used for Agriculture, Opinion No. 22-07 (Tennessee statewide rule), quoted and re-checked
- Planning & Zoning, quoted and re-checked
- TDEC Johnson City Environmental Field Office (tn.gov)
- Septic System Construction Permit, quoted and re-checked
- Construction Permit for Subsurface Sewage Disposal Systems (SSDS) | Tennessee Department of Environment and Conservation, quoted and re-checked
- Construction Permit for Subsurface Sewage Disposal Systems (SSDS) | Tennessee Department of Environment and Conservation, quoted and re-checked
- Subsurface Sewage Disposal System Frequently Asked Questions, quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Federal land share: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written September 28, 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.