Anderson County, Tennessee requires a building permit for any structure over 100 square feet or costing $1,000 or more; the county Building and Codes Enforcement Department issues it for unincorporated land12. The department also enforces county zoning outside towns and cities32. TDEC handles septic permits, site evaluation and final inspection45.
At a glance
- Building permit
- Required for structures over 100 sq ft or costing $1,000 or more12
- Zoning
- Yes, outside Anderson County's towns and cities32
- Septic
- State-permitted by TDEC, with a final inspection before the system is covered45
- Owner-builder
- One permit every two years to build your own home, not for sale or rent67
- Permit validity
- 180 days from issuance or the last inspection2
- Agricultural buildings
- Exempt from county zoning when incidental to a farm, with highway/floodplain exceptions8
- Driveway on a state highway
- TDOT permit required before construction, modification or change of use9
Who to call
Building permits
Anderson County Building and Codes Enforcement Department
Building permits, zoning enforcement and environmental code enforcement for non-annexed (unincorporated) Anderson County, plus vendor's permits
100 N Main Street, Room 127, Clinton, TN 37716-3617
Septic permits
TDEC septic (subsurface sewage disposal system) contact for Anderson County
State septic (subsurface sewage disposal system) permitting for Anderson County; a septic layout from this contact is required before the county will process a building permit for a home on septic
Also useful
Anderson County E-911 addressing
E-911 address certification for new homes and mobile homes, required before the county issues a building permit
Roads & driveways
Anderson County Highway Department
Maintenance, ditching, drainage and right-of-way work on Anderson County-maintained roads; the office to ask about access or drainage questions for a driveway onto a county road
183 J D Yarnell Industrial Parkway, Clinton, TN 37716
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 Anderson County means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
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 Anderson County, Tennessee?
Anderson County requires a building permit for any structure over 100 square feet or costing $1,000 or more, and the county Building and Codes Enforcement Department issues it for non-annexed land12. Exempt work includes prefabricated pools under 24 inches deep and certain decks no larger than 100 square feet that are low, detached from a dwelling and do not serve the required exit door2. Tennessee lists Anderson County as exempt from the state residential permit program, so use the county office rather than the state residential permit process102. A county building permit is normally valid for 180 days from issuance or the last inspection2.
Who is the Anderson County building department, and how do you reach them?
The Anderson County Building and Codes Enforcement Department is in Room 127 at 100 N Main Street in Clinton and can be reached at 865-457-62442. Before applying for a new home, get a TDEC septic tank layout by calling 865-594-6035 when the site will use septic, and obtain E-911 address certification at 865-463-81601112. For driveway, ditch or drainage questions along a county-maintained road, contact the Anderson County Highway Department at 865-457-273513. The available facts do not establish a county building-permit fee schedule, so ask Building and Codes for the current fee and required inspections2.
Does Anderson County have zoning?
Anderson County has zoning for land outside its incorporated towns and cities, and the Building and Codes Enforcement Department enforces it32. Tennessee law authorizes county legislative bodies to regulate zoning in unincorporated areas14. A structure on land devoted to agricultural use can be exempt from county zoning when it is incidental to the farm enterprise, but exceptions can apply near specified highways, airports and parks and within the mapped floodplain8. Current district-specific lot sizes, setbacks, building heights and dwelling-size rules could not be confirmed; give the parcel identification to Building and Codes and ask for the standards that apply before choosing a building site2.
How do septic permits work in Anderson County?
Tennessee's Department of Environment and Conservation provides septic services in Anderson County, and a septic system permit is required to construct, modify or repair a system415. Apply through TDEC; its review includes a site evaluation, may require a site plan or soils map, and can take up to 45 days after a complete application arrives16. The county building-permit process calls for a TDEC septic layout, available through the local number at 865-594-603511. After installation, the installer must arrange TDEC's final inspection before covering the system5. Only about 7.5% of county soils rate free of severe limits for a conventional drain field, so settle septic feasibility before fixing the house location17.
Can you live in an RV or tiny home on your land in Anderson County?
Anderson County zoning applies outside incorporated towns and cities, but the available rules do not confirm whether a particular district allows an RV or tiny home as a residence3. Anderson County's general building-permit threshold applies to structures over 100 square feet or costing $1,000 or more, but that threshold alone does not answer whether a tiny home is an allowed dwelling12. The available rules also do not confirm long-term RV occupancy, temporary camping or a minimum dwelling size. Before buying, ask the Building and Codes Enforcement Department about the parcel's zoning district, the proposed unit, utility connections and whether occupancy during construction is allowed2.
Building a home in Anderson County: the steps, in order
- Call the Building and Codes Enforcement Department at 865-457-6244 to confirm the parcel's zoning and the plans needed for a county building permit2.
- If the home will use septic, apply to TDEC early: evaluation can take up to 45 days after a complete application is received16.
- Get the TDEC septic layout through the local contact at 865-594-6035 and obtain E-911 address certification at 865-463-81601112.
- Apply for the county building permit in Room 127 at 100 N Main Street in Clinton2.
- An owner may obtain one permit every two years to build a personal residence that will not be sold, leased or rented18.
- Before requesting electrical service, provide the electrical inspector written confirmation of public sewer service, a septic-permit application or use of an existing septic system19.
- Have the installer arrange the final septic inspection before covering the system5.
- A driveway connecting to a state highway needs a TDOT permit before construction, modification or a change in use9.
What to check before you buy land in Anderson County
Confirm the parcel's zoning and building restrictions with the Building and Codes Enforcement Department before buying unincorporated land32. Settle septic feasibility early because only about 7.5% of Anderson County soils rate free of severe limits for a conventional drain field17. If land will be divided for development using septic, TDEC generally requires a subdivision evaluation, survey and a soils map; the cited state definition excludes a division when every resulting parcel is at least 5 acres20. A bonded sewer utility may require a building on abutting land to connect and stop using another sewage-disposal method, so ask whether sewer service affects the parcel21. Floodplain review is local and may be required before work begins; contact the county floodplain administrator for land outside city limits22.
Watch-outs
- Tennessee lists Anderson County as exempt from the state residential permit program; use the county Building and Codes Enforcement Department and ask it for the current local fee and inspection schedule102.
- TDEC septic review can take up to 45 days after a complete application arrives, and the finished system must be inspected before it is covered165.
Sources
- Anderson County Planning - Building and Codes (2026 county census)
- Anderson County Building and Codes Enforcement Department (andersoncountyplanning.com)
- Anderson County TN - Zoning Resolution (2026 county census)
- Subsurface Sewage Disposal System Frequently Asked Questions, quoted and re-checked
- Subsurface Sewage Disposal System Frequently Asked Questions, quoted and re-checked
- Can I build my own home without a license? (2026 county census)
- Can I build my own home without a license? (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
- Highway Entrance Permits (Tennessee statewide rule), quoted and re-checked
- Residential Permits Residential Jurisdictions & Inspectors, quoted and re-checked
- TDEC septic (subsurface sewage disposal system) contact for Anderson County (andersoncountyplanning.com)
- Anderson County E-911 addressing (andersoncountyplanning.com)
- Anderson County Highway Department (andersoncountytn.gov)
- Tennessee Attorney General Opinion No. 10-108 (Tennessee statewide rule), quoted and re-checked
- Subsurface Sewage Disposal System (SSDS) Frequently Asked Questions, quoted and re-checked
- Subsurface Sewage Disposal System Frequently Asked Questions, quoted and re-checked
- 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
- Residential Permit FAQs, quoted and re-checked
- Online Application for Subsurface Sewage Disposal System Related Services, quoted and re-checked
- Online Application for Subsurface Sewage Disposal System Related Services, quoted and re-checked
- Utility Customers Frequently Asked Questions (Tennessee statewide rule), quoted and re-checked
- Statewide Floodplain Administrator Directory (Tennessee statewide rule), 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.