Unincorporated Scott County, Tennessee requires no county building permit, and the county has opted out of the state residential building program, though Huntsville, Oneida and Winfield may apply their own rules123. Zoning approval could not be confirmed for the county, so ask the Mayor’s Office about the parcel45. Septic permits for every address in the county come from TDEC, and a driveway on state-highway right-of-way needs a TDOT permit67.
At a glance
- Building permit
- Not required by Scott County; municipalities may differ81
- Zoning
- Unconfirmed; ask the Mayor's Office about the parcel45
- Septic
- TDEC site evaluation and construction permit required9610
- Owner-builder
- You may build your own home where no county permit is required; trade licensing may still apply11
- Tiny home without a foundation
- Prohibited as housing statewide12
- Voluntary state building permit
- Available for State Fire Marshal inspection and a qualifying Certificate of Occupancy13
- State-highway driveway
- TDOT permit required before construction or a change in use7
Who to call
Septic permits
TDEC Subsurface Sewage Disposal Systems (SSDS) Program
Site evaluations, Septic System Construction Permits, and final inspections for on-site sewage systems statewide, including Scott County, through a local Environmental Scientist
Also useful
General Scott County government contact point; the chief executive's office overseeing county departments including the Road Department
2845 Baker Highway, Huntsville, TN 37756
Contact details are copied from each office’s official page and were checked against it on October 9, 2026.
Off-grid gear
Going off-grid in Scott 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 Scott County, Tennessee?
Scott County does not require a county building permit for construction, but the county source does not establish the rules inside incorporated municipalities1. Scott County has also opted unincorporated territory out of Tennessee's residential building program for one- and two-family dwellings2. An owner or contractor may nevertheless obtain a voluntary state building permit and request State Fire Marshal inspections; a qualifying home can then receive a Certificate of Occupancy13. On unincorporated land, the lack of a county building permit means an owner may build a personal home without seeking an owner-builder exemption from that permit, although state licensing may still apply to electrical, plumbing and HVAC work11. Septic, floodplain, driveway and municipal approvals remain separate questions14.
Who handles permits in Scott County, and how do you reach them?
Scott County publishes no county building-permit application process because county building permits are not required14. For general county questions, including which local office handles a parcel-specific issue, start with the Scott County Mayor's Office5. An owner or contractor who wants voluntary state inspection of a home in this opt-out jurisdiction can use the State Fire Marshal process; a Certificate of Occupancy is issued only when the dwelling meets statewide construction-safety standards13. TDEC, rather than a county building office, handles septic site evaluations and final inspections through a local Environmental Scientist615. For a proposed entrance on state-highway right-of-way, contact TDOT before construction, modification or a change in driveway use7.
Does Scott County have zoning?
Scott County's zoning status could not be confirmed from an accessible ordinance or readable map, so do not assume that unincorporated land is unrestricted4. Tennessee allows counties to zone territory outside municipalities, but that authority alone does not show that Scott County adopted zoning16. A state planning report identifies Huntsville, Oneida and Winfield as having subdivision regulations while listing none for unincorporated Scott County; municipal rules can therefore differ from county rules3. If county zoning applies, a building on land devoted to agriculture is exempt only when it is incidental to the agricultural enterprise; the exemption does not cover agricultural land near specified highways, public airports or public parks, or land in the one-hundred-year floodplain, and it does not govern municipalities17. Ask the Mayor's Office about zoning, setbacks, minimum home size and lot coverage for the specific parcel5.
How do septic permits work in Scott County?
The Tennessee Department of Environment and Conservation, not Scott County, permits every septic system in the county9615. A TDEC Environmental Scientist conducts a site evaluation to determine the system type, and a Septic System Construction Permit is required before installation or repair610. A new conventional system permit costs $400 up to 1,000 gallons per day of design flow, plus $100 for each additional 1,000 gallons; a new alternative system costs $500 up to 1,000 gallons per day, plus $150 per additional 1,000 gallons10. Only about 0.4% of Scott County soils are rated without severe limitations for a conventional drain field, so arrange the site evaluation before committing to a homesite18. After installation, the installer contacts the local Environmental Scientist for a final inspection before covering the system; approval results in a Certificate of Completion19.
Dividing a tract into 2 or more lots where a septic system is or will be used requires a TDEC Subdivision Evaluation, with a soils map from a Tennessee-licensed soils consultant, unless every resulting parcel is 5 acres or larger20.
Can you live in an RV or tiny home on your land in Scott County?
Tennessee prohibits modifying a 'ready-removable' structure—one without a foundation, footings or other support mechanisms that prevent easy relocation—for residential, recreational or emergency housing12. That rule reaches a foundation-less tiny home, but it does not answer whether an RV may be occupied on private land in unincorporated Scott County12. We could not confirm a local rule for long-term RV occupancy, temporary camping on private land or minimum dwelling size. A foundation-based tiny home is a different category, but its parcel-specific zoning, septic and floodplain requirements still need review1221. Ask the Mayor's Office about land use and TDEC about wastewater before relying on an RV or tiny home as a residence515.
Building a home in Scott County: the steps, in order
- Confirm that the parcel is in unincorporated Scott County; Huntsville, Oneida and Winfield may apply their own rules3.
- Ask the Mayor's Office to confirm zoning and whether local floodplain review applies to the site4215.
- Confirm water service with Huntsville Utility District or Oneida Water & Wastewater Department; the county identifies both as public-water providers but does not promise service to every parcel22.
- Apply to TDEC for the required septic site evaluation and construction permit before installation or repair610.
- Obtain a TDOT permit before building or changing a driveway on state-highway right-of-way; requirements for other roads could not be confirmed7.
- Proceed without a county building permit, or elect the voluntary state inspection route if you want a state Certificate of Occupancy1413.
- Have TDEC inspect the septic system before it is covered19.
What to check before you buy land in Scott County
Scott County has about 41.7 people per square mile, is 93.2% wooded, and its center is roughly 42 miles from the nearest city of 100,000 or more232425. Only about 22% of the land has a slope of 15% or less, so evaluate the homesite and driveway before buying26. Just 0.4% of soils are rated without severe limits for a conventional septic drain field, making an early TDEC site evaluation especially valuable186. Confirm that a public-water provider can reach the parcel; Scott County names Huntsville Utility District and Oneida Water & Wastewater Department, but countywide availability is not established22. Check mapped flood zones: floodplain requirements are managed locally, and outside city limits the state directs owners to the county floodplain administrator before work begins in or near a mapped floodplain27. Local review may be required before floodplain development, and verify whether access touches state-highway right-of-way because that triggers a TDOT permit217.
Watch-outs
- A tiny home without a permanent foundation is legally barred from use as housing anywhere in Tennessee, including Scott County12.
- Scott County's zoning status is unresolved, not confirmed 'no zoning'; ask the Mayor's Office before assuming a use is allowed45.
- Huntsville, Oneida and Winfield may have their own rules; confirm jurisdiction before relying on the county's no-permit policy31.
- A driveway on state-highway right-of-way needs a TDOT permit before construction, modification or a change in use; requirements for county-road entrances could not be confirmed7.
Sources
- Moving to Scott County, quoted and re-checked
- Residential Jurisdictions & Inspectors, quoted and re-checked
- Dedications along Existing Public Rights-of-Way, Balancing Property Rights with Local Authority over Land Use Regulation, quoted and re-checked
- (2026 county census)
- Scott County Mayor's Office (scottcounty.com)
- Subsurface Sewage Disposal System (SSDS) Frequently Asked Questions, quoted and re-checked
- Highway Entrance Permits, quoted and re-checked
- Moving to Scott County (2026 county census)
- TDEC - Subsurface Sewage Disposal Systems (SSDS) (2026 county census)
- Septic System Construction Permit (Tennessee statewide rule), quoted and re-checked
- Tennessee law on county zoning and building authority
- Tennessee Public Guidance: Ready-Removables and Non-Traditional Homes, quoted and re-checked
- Statewide Building Construction Code Inspections in “Opt-Out” or “Non-Code” Jurisdictions, quoted and re-checked
- Moving to Scott County, quoted and re-checked
- TDEC Subsurface Sewage Disposal Systems (SSDS) Program (tn.gov)
- 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, 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
- Subsurface Sewage Disposal System (SSDS) Frequently Asked Questions, quoted and re-checked
- Online Application for Septic Related Services, quoted and re-checked
- Statewide Floodplain Administrator Directory, quoted and re-checked
- About Scott County, quoted and re-checked
- Population density: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Straight-line distance from the county center to the nearest city of 100,000+ people: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
- Statewide Floodplain Administrator Directory, quoted and re-checked
Written October 9, 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.