Chester County, Tennessee requires a building permit for new construction, additions, renovations, major repairs, and manufactured or modular buildings valued at $2,000 or more1. The county administers zoning in unincorporated areas outside the City of Henderson planning region; Henderson manages that planning region, while other municipalities may have separate controls2. TDEC requires a septic permit before construction, modification, or repair of a septic system3.
At a glance
- Building permit
- Required for covered construction valued at $2,000 or more1
- Zoning
- Yes in county-administered unincorporated areas; Henderson manages its planning region45
- Septic permit
- Required through TDEC for installation, modification, or repair3
- Owner-builder
- Available for a private residence, limited to one personal residence every two years6
- RV living
- Long-term occupancy rules could not be confirmed; ask the zoning office for the parcel2
- Tiny home
- Occupancy and minimum-size rules could not be confirmed; zoning and building review still apply78
- Septic soil suitability
- Only 8.4% of county soils are free of severe limits for a conventional drain field9
- State-highway driveway
- A TDOT permit is required before construction, modification, or a change in use10
Who to call
Building permits
Chester County Building & Zoning Department
Building and zoning permits, inspections, subdivision review, code compliance, and floodplain or zoning applications in the county-administered area
PO Box 183, 159 East Main Street, Henderson, TN 38340
Septic permits
TDEC Jackson Environmental Field Office, Division of Water Resources
Septic-related services and Division of Water Resources questions for Chester County
1625 Hollywood Drive | Jackson, TN 38305
Roads & driveways
Chester County Highway Department
County-road maintenance and questions about access from county roads
(731) 989-7311 or (731) 989-2689
1069 East Main Street, Henderson, Tennessee 38340
Contact details are copied from each office’s official page and were checked against it on October 7, 2026.
Off-grid gear
Going off-grid in Chester 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.
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Do you need a building permit in Chester County, Tennessee?
Yes. Chester County requires a building permit for new construction, additions, renovations, major repairs, manufactured buildings, modular buildings, and other covered construction valued at $2,000 or more1. General maintenance such as painting, floor coverings, roof coverings, sidewalks, patios, and minor fixture repairs is exempt within the county's stated limits1. One-story detached residential accessory structures up to 200 square feet are among the listed exemptions, but owners of outbuildings or car covers valued below $2,000 should still ask the building official to approve the location1. Chester County applies the 2018 International Residential Code with local exceptions, along with its other adopted building codes11. Permitted work has staged inspections, followed by a final inspection and certificate of occupancy after completion and before anyone moves in1213.
Who is the Chester County building department, and how do you reach it?
The Chester County Building & Zoning Department is the first call for building, zoning, subdivision, code-compliance, and property-maintenance questions in the county-administered area14. The office is at PO Box 183, 159 East Main Street, Henderson, TN 38340, and can be reached at (731) 989-5672 or agaters@chestercountytn.org14. Building permits and application forms are obtained from the department in the Chester County Office Building15. Normal site visits, inspections, and field work occur between 12:30 p.m. and 3:30 p.m., with morning inspections available only by exception15. Permits expire six months after issuance15. Fees are based on project value; published examples include a $20 accessory-building permit below $2,000 and a $30 reinspection fee16. Starting work before obtaining a permit doubles the scheduled fee and does not waive code compliance16.
Does Chester County have zoning?
Chester County administers zoning in unincorporated areas outside the City of Henderson planning region4. Henderson's Building and Zoning Department manages the City of Henderson planning region, while incorporated municipalities may have separate local controls2. Ask which jurisdiction and planning region contain the parcel before relying on a zoning answer or submitting an application14. In the county-administered unincorporated area, a subdivision plat permit is required when a division needs a new road or public utilities, leaves any lot under five acres, or leaves no access to roads17. The five-acre figure is a subdivision-review trigger, not a confirmed general minimum lot size17. Numeric setbacks, lot coverage, building-height limits, general minimum lot size, and zoning-district maps could not be confirmed; request the parcel's current standards from the responsible zoning office2.
How do septic permits work in Chester County?
TDEC's Division of Water Resources administers septic permits in Chester County, with septic-related service available through the Jackson Environmental Field Office1819. A septic permit is required before construction, modification, or repair, and it should be obtained before dirt work or construction of a building pad begins3. A TDEC Environmental Scientist evaluates the site, and alternative systems require an extra-high-intensity soils map from a licensed Tennessee soils consultant3. Only 8.4% of Chester County soils are rated without severe limitations for a conventional drain field, so make septic feasibility an early purchase contingency9. After installation, the installer must arrange a final inspection before covering the system; TDEC issues a Certificate of Completion when it approves the work20. Call 731-441-5593 for septic-related inquiries19.
Can you live in an RV or tiny home on your land in Chester County?
Chester County's long-term RV occupancy, temporary-camping, and tiny-home occupancy rules could not be confirmed. Do not treat that gap as permission: zoning administration changes between the City of Henderson planning region, the county-administered unincorporated area, and potentially other municipalities2. Before buying or moving a unit onto land, give the responsible zoning office the parcel number and ask about the proposed use, dwelling classification, minimum dwelling size, setbacks, and temporary occupancy during construction14. A tiny home within the county's covered construction categories requires a permit when its construction value reaches $2,000, and manufactured or modular buildings are expressly covered1. Chester County's stated agricultural permit exemption covers nursery or agricultural shade-cloth structures without service systems; it does not establish a blanket exemption for farm buildings21. Wastewater work remains subject to TDEC septic permitting3.
Building a home in Chester County: the steps, in order
- Ask the Chester County Building & Zoning Department which jurisdiction and planning region contain the parcel, then obtain the applicable zoning and building applications515.
- Confirm septic feasibility with TDEC before fixing the house location, because only 8.4% of county soils are rated without severe limitations for a conventional drain field919.
- Resolve county subdivision-plat review if the project divides unincorporated land and triggers review for a new road, public utilities, a lot under five acres, or lack of road access17.
- Obtain the building permit for covered work valued at $2,000 or more; an owner may pull the permit for a private residence but assumes the stated legal and insurance responsibilities16.
What should you check before buying land in Chester County?
Start with jurisdiction and zoning: confirm whether the parcel is in the Henderson planning region, the county-administered unincorporated area, or another municipality, then request its zoning district, setbacks, allowed uses, and any floodplain review223. Make a satisfactory septic evaluation a contract contingency because only 8.4% of county soils are rated without severe limits for a conventional drain field9. Private-well permitting and alternative off-grid sanitation rules could not be confirmed, so ask TDEC about wastewater and the appropriate state or local office about the proposed water source19. Verify legal road access and ask the Chester County Highway Department about a county-road entrance; a driveway on state highway right-of-way requires a TDOT permit2410. Chester County is lightly settled at about 61.6 people per square mile, with 64.7% of its land wooded and 66.2% at a slope of 15% or less252627. The effective property-tax rate is about 0.5%, and the median annual property-tax bill is about $8372829.
Watch-outs
- The City of Henderson planning region extends outside city limits, so do not assume a rural-looking parcel is administered by the county office; confirm the parcel's jurisdiction and planning region first2.
- Only 8.4% of Chester County soils are rated without severe limitations for a conventional drain field, making a pre-purchase septic evaluation especially important9.
- Long-term RV living, tiny-home occupancy, minimum dwelling size, setbacks, and general minimum lot size remain unconfirmed; ask the responsible zoning office for a parcel-specific answer14.
Sources
- Chester County, TN Building & Zoning Department, quoted and re-checked
- Chester County, TN — Building & Zoning Department, quoted and re-checked
- Subsurface Sewage Disposal System Frequently Asked Questions, quoted and re-checked
- Chester County, TN — Building & Zoning Department, quoted and re-checked
- Chester County, TN Building & Zoning Department, quoted and re-checked
- Adopting State Building Codes Resolution October 20 2020 Change 1, quoted and re-checked
- Chester County, TN Building & Zoning Department (2026 county census)
- Adopting State Building Codes Resolution October 20 2020 Change 1 (2026 county census)
- 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
- Highway Entrance Permits (Tennessee statewide rule), quoted and re-checked
- Chester County, TN Building & Zoning Department, quoted and re-checked
- The Chester County Permitting Process, quoted and re-checked
- The Chester County Permitting Process, quoted and re-checked
- Chester County Building & Zoning Department (chestercountytn.org)
- The Chester County Permitting Process, quoted and re-checked
- The Chester County Permitting Process, quoted and re-checked
- What is a subdivision?, quoted and re-checked
- Subsurface Sewage Disposal System Frequently Asked Questions, quoted and re-checked
- TDEC Jackson Environmental Field Office, Division of Water Resources (tn.gov)
- Subsurface Sewage Disposal System Frequently Asked Questions, quoted and re-checked
- Work exempt from permit 2018 IBC_IRC, quoted and re-checked
- Online Application for Septic Related Services, quoted and re-checked
- The Chester County Permitting Process, quoted and re-checked
- Chester County Highway Department (chestercountytn.org)
- Population density: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Share of land at 15% slope or less: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written October 7, 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.