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

At a glance

Building permit

Required for construction and regulated trade work¹

Zoning

County Inner and Outer Region rules; municipal rules can differ²³

Septic permit

Required; county health approval must precede the building permit⁴

Owner-builder

Conditional exemption for an owner building their own residence⁶

Small structures

Detached accessory structures under 200 sq ft (sheds, playhouses) don't need a permit⁷

Occupancy

Final inspections and approval are required before a certificate of occupancy⁵

Who to call

Contact details are copied from each office’s official page and were checked against it on September 29, 2026.

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

Yes. Madison County requires the owner or authorized agent to obtain permits before constructing, enlarging, altering, repairing, moving or demolishing a structure, changing its occupancy, or doing regulated electrical, gas, mechanical or plumbing work¹. Madison County administers adopted building, residential, mechanical, plumbing, fuel-gas, existing-building and fire codes; the county's listed energy-code amendment took effect in 2024⁸. Limited residential work is exempt, including a one-story detached accessory structure no larger than 200 square feet, a fence no taller than 7 feet, and a qualifying unattached deck no larger than 200 square feet and no more than 30 inches above grade⁷. Treat those exceptions narrowly: an exempt shed is not permission to use it as a dwelling, and other permit or zoning requirements may still apply⁷².

Who is the Madison County Building Department, and how do you reach them?

The Madison County Building Department is at 100 E. Main St. Suite 100, Jackson, TN 38301, and its phone number is (731) 423-6014⁹. Madison County accepts permit applications through its Building Department and Citizen Portal: create the application, complete the required fields, upload plans and supporting documents, and submit it only when the package is complete¹⁰. Septic approval or a utility-connection letter may be required when applicable, and construction cannot begin until the permit has been approved and issued¹⁰. Madison County publishes project-valuation-based permit fees and adds a non-refundable $25 processing fee to every plan submittal; card payments carry a 3% convenience fee or $2, whichever is greater¹¹. For zoning and land-use questions, call the Building Department or planning staff at 731-425-8286¹².

Does Madison County have zoning?

Yes. Madison County publishes separate Inner Region and Outer Region zoning materials plus a property-search map¹³. The county zoning page also links separate material for the City of Three Way, so do not assume one county rule answers every parcel inside an incorporated municipality³. The available county facts do not establish district-specific setbacks, minimum lot size, minimum dwelling size, height or lot-coverage limits; ask planning staff to identify the parcel's governing jurisdiction and zoning district before designing or buying¹³¹². Tennessee's agricultural zoning exemption is also conditional: a structure must be on land devoted to agriculture and incidental to the farm enterprise, and the exemption does not apply in specified locations near certain highways, airports or parks or within the floodplain¹⁴.

How do septic permits work in Madison County?

A septic permit is required to construct, modify or repair a septic system in Madison County, and the county requires a Health Department letter before issuing the building permit⁴. Madison County Health's Environmental Health Section permits new conventional systems, oversees construction and repairs, and grants final approval where city sewer is unavailable¹⁵. Tennessee's Septic System Construction Permit review generally takes about 10 days and must be completed within 45 days; larger conventional systems or alternative systems may require an engineer's design¹⁶. Only 18.7% of Madison County soils are rated without severe limitations for a conventional drain field, so make the site evaluation an early purchase contingency rather than assuming a standard system will fit¹⁷. Call Environmental Health at 731-423-3020 before finalizing the house site or building plans¹⁵.

Can you live in an RV or tiny home on your land in Madison County?

We could not confirm a countywide rule allowing long-term RV occupancy, temporary camping or tiny-home occupancy in Madison County. The answer can depend on whether the parcel falls under Inner Region, Outer Region or municipal zoning, and the county's published zoning materials do not supply a single countywide answer³¹³. Ask planning staff which jurisdiction and district govern the parcel, then ask whether the proposed unit is a permitted dwelling use and what dimensional standards apply¹². Madison County's permit exemption for a small detached accessory structure does not make that structure an approved residence⁷. A tiny home used as a dwelling should therefore be treated as a building-and-zoning question until the Building Department confirms the permit path and planning staff confirms the use for the parcel¹¹².

Building a home in Madison County: the steps, in order

1. Identify whether county Inner Region, county Outer Region or municipal zoning controls the parcel, then confirm the proposed use and district standards with planning staff³¹³.
2. If sewer is unavailable, obtain the septic approval and county Health Department letter required before the building permit can be issued⁴¹⁵.
3. Create the county permit application, complete every required field, upload the plans and supporting documents, and submit the completed package through the county process¹⁰.
4. Pay the valuation-based permit charge and applicable plan-submittal and payment fees, then wait until the permit is approved and issued before beginning construction¹¹¹⁰.
5. If acting as owner-builder, document that the home is for your own residential use and not for sale, lease or rent; only one homeowner permit is allowed every two years, and hired trades remain subject to licensing conditions⁶.
6. Schedule footing, foundation, slab, floor-system, framing, insulation and final inspections in the required sequence¹⁸.
7. Complete all final approvals, including proof of the state deputy electrical inspector's final inspection, before expecting the certificate of occupancy⁵.

What to check before you buy land in Madison County

Confirm the governing zoning region and district before relying on an advertised use, because Madison County publishes separate Inner and Outer Region materials and incorporated-area rules may differ³¹³. Make septic feasibility a contract contingency: only 18.7% of county soils are rated without severe limitations for a conventional drain field¹⁷. Check road ownership too; a county-road driveway culvert must be sized and approved by the Madison County Highway Department, while work on a state-highway right-of-way needs a TDOT permit¹⁹²⁰. We could not confirm Madison County's private-well, floodplain-development or subdivision requirements, so ask the Building Department which approvals apply before closing⁹. For carrying costs, Madison County's effective property-tax rate is about 0.6%, and its median annual property-tax bill is about $1,161²¹²².

Watch-outs

• Do not begin construction when an application is merely submitted; Madison County requires the permit to be approved and issued first¹⁰.
• A Madison County Health Department letter is required before the county building permit can be issued, so settle septic feasibility early⁴.
• A certificate of occupancy comes only after all required final inspections are approved; temporary certificates are limited to 30 days, two per project, and cost $200 per request⁵.
• We could not confirm a countywide RV or tiny-home occupancy rule; ask planning staff about the parcel's jurisdiction, district and proposed use³¹².

Sources

1. Permits and Inspections, quoted and re-checked
2. Zoning & Land Use Information, quoted and re-checked
3. Zoning & Land Use Information, quoted and re-checked
4. Subsurface Sewage Disposal System Frequently Asked Questions, quoted and re-checked
5. Madison County Construction Guide 2025, quoted and re-checked
6. Homeowner Permits, quoted and re-checked
7. Madison County Building Department, Permit Exemptions (madisoncountytn.gov)
8. Madison County Building Codes Effective January 1, 2021, quoted and re-checked
9. Madison County Building Department (madisoncountytn.gov)
10. Citizen Portal, quoted and re-checked
11. Permit and Plan Review Fees, quoted and re-checked
12. Madison County Zoning & Land Use Information (madisoncountytn.gov)
13. Zoning & Land Use Information, quoted and re-checked
14. Exemption from County Zoning Regulation for Buildings on Land Used for Agriculture, Opinion No. 22-07 (Tennessee statewide rule), quoted and re-checked
15. Madison County Health, Environmental Health Section (madisoncountytn.gov)
16. Septic System Construction Permit (Tennessee statewide rule), quoted and re-checked
17. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
18. Permits and Inspections, quoted and re-checked
19. Madison County Highway Department, Driveway Connections (madisoncountytn.gov)
20. Highway Entrance Permits (Tennessee statewide rule), quoted and re-checked
21. Effective property tax rate: Bolthole Index county data
22. Median property tax bill: Bolthole Index county data

Written September 29, 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.