Unincorporated Clayton County, Georgia requires a building permit before you construct, enlarge, alter, or move a building or structure1. Clayton County also zones unincorporated land and publishes both a zoning ordinance and zoning-map resource23. Septic permits and inspections go through the Clayton County Health District's Office of Environmental Services4.
At a glance
- Building permit
- Required before constructing, enlarging, altering, or moving a building or structure in unincorporated Clayton County1
- Zoning
- Yes; check the county zoning map and ordinance for the parcel's district rules3
- Septic permits
- A written Board of Health permit is required before lot development or septic installation or alteration5
- Owner-builder exemption
- Yes, Georgia doesn't require a contractor license to build your own home, but local permits, codes, and zoning still apply67
- Tiny home on your land
- Treated as a standard dwelling subject to the same building codes; local zoning still controls siting8
- Septic soil suitability
- 71.9% of the county's soil is rated free of severe limits for a conventional drain field, better odds than many rural Georgia counties9
Who to call
Septic permits
Clayton County Health Department (Battlecreek Road location, Office of Environmental Services)
Permits, inspects, and regulates onsite sewage (septic) systems for unincorporated Clayton County
1117 Battlecreek Road, Jonesboro, GA 30236
Building permits
Clayton County Building Permit Division (Community Development Department)
Issues building, mechanical, electrical, and plumbing permits for new residential construction in unincorporated Clayton County
Zoning
Clayton County Planning & Zoning (Community Development Department)
Administers the county Zoning Ordinance (Appendix A) and zoning districts for unincorporated Clayton County
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 Clayton County, Georgia?
Yes. Clayton County requires a permit before constructing, enlarging, altering, or moving a building or structure in the unincorporated county, and its Building Permit Division issues building, mechanical, electrical, and plumbing permits for new homes1. Clayton County's published requirements include the 2024 International Building Code with Georgia amendments, along with current fire, plumbing, mechanical, fuel-gas, electrical, energy, and related codes listed by the county10. A certificate of occupancy, where Clayton County requires one, can be issued only by the local governing authority11. Georgia's owner-builder exemption removes the state contractor-license requirement for an owner building the owner's own home; it does not waive Clayton County permits, inspections, codes, or zoning7.
Who is the Clayton County building department, and how do you reach them?
Clayton County's Building Permit Division, within Community Development, issues building, mechanical, electrical, and plumbing permits for new residential construction in unincorporated Clayton County1. A current direct phone number, email address, and street address for the division could not be confirmed; use the county's Building Permits page and ask Community Development to confirm where and how to submit before visiting12. The same department includes Planning & Zoning, while the county separately publishes zoning-map and zoning-ordinance resources for parcel research133. Start with both reviews: a building permit establishes code compliance, while zoning determines whether the proposed use and site layout fit that parcel.
Does Clayton County have zoning?
Yes. Clayton County's Zoning Ordinance establishes zoning districts and land-use regulations for the unincorporated county2. The county publishes both a zoning map and the zoning ordinance, so identify the parcel on the map and then read the rules for that district3. Georgia gives local governments zoning authority but does not supply one statewide district map or schedule for local parcels14. Clayton County's minimum lot size, setbacks, building height, lot coverage, accessory-dwelling rules, and agricultural exceptions could not be confirmed from the available facts; ask Planning & Zoning for the district-specific standards before designing or buying13. If a tract will be divided, Clayton County separately reviews preliminary plats, final plats, and minor subdivisions15.
How do septic permits work in Clayton County?
Clayton County's Office of Environmental Services administers permits, performs inspections, and investigates complaints involving new and existing septic tanks and field lines4. Call the Health Department at (678) 610-7199 and ask for Environmental Services16. A written Clayton County Board of Health permit is required before physical development of the lot or installation or alteration of the septic system; the Board may request soil reports, test pits, percolation tests, or a scaled site plan5. Clayton County also requires a final Board of Health inspection and written approval before the system is backfilled or used17. About 71.9% of county soils are rated without severe limits for a conventional drain field, but the rating is countywide and does not replace the required lot evaluation9. If public or community sewer is available within 200 feet of the property line or in an abutting public right-of-way, Georgia requires connection instead18.
Can you live in an RV or tiny home on your land in Clayton County?
A site-built or modular tiny home used as a dwelling in Clayton County must comply with applicable Georgia building codes and receive local siting approval; Clayton County zoning controls matters such as use, location, foundation, and minimum size8. Georgia's optional tiny-house provisions apply only where the local ordinance specifically adopts them8. A manufactured home follows a different state installation-permit path, while Clayton County zoning and utility rules still govern the parcel19. Long-term RV occupancy and temporary camping on private land in Clayton County could not be confirmed. Ask Planning & Zoning whether the parcel's district allows an RV as a residence or temporary accommodation before moving one onto the land13.
Building a home in Clayton County: the steps, in order
- Find the parcel on Clayton County's zoning map, then confirm the proposed home and site plan satisfy that district's ordinance rules3.
- Ask the Clayton County Water Authority whether water and sewer serve the property and request an estimate of connection, tap, meter, and other charges20.
- If septic is needed, obtain the written Board of Health permit before physically developing the lot or installing or altering the system5.
- Submit the residential project to Clayton County's Building Permit Division under the county's current code requirements110.
- Complete building inspections and obtain the Board of Health's final written septic approval before backfilling or using the system17.
- Ask Clayton County whether the project requires a certificate of occupancy and obtain it before occupancy if required11.
What to check before you buy land in Clayton County
Check water and sewer before treating a parcel as a septic site: the Clayton County Water Authority provides availability information and estimates for connection, tap, meter, and other charges20. About 71.9% of Clayton County soils are rated without severe limits for a conventional drain field, but every proposed septic area still needs the Health District's site review95. About 85.7% of county land has a slope of 15% or less, a countywide measure that does not replace a parcel survey or grading plan21. Clayton County has roughly 2,105.9 people per square mile, and the nearest city of 100,000 or more is about 16 miles from the county center2223. If you plan to split land, budget for county plat review: the published fee schedule distinguishes preliminary, final, and minor-subdivision review15. Also confirm floodplain constraints, legal road access, private restrictions, and the parcel's exact zoning standards with the relevant offices before closing.
Watch-outs
- A current direct phone number, email address, and street address for Clayton County Building Permits or Planning & Zoning could not be confirmed; check the county pages before visiting1213.
- The Clayton County Health Department's published number serves the Battlecreek Road location rather than a dedicated septic desk; ask for Environmental Services16.
- Long-term RV living, temporary camping, and district-specific minimum home size could not be confirmed; ask Planning & Zoning before relying on any parcel for those uses13.
Sources
- Clayton County - Building Permits (2026 county census)
- Clayton County - Code of Ordinances, Zoning (Municode) (2026 county census)
- Fees - Clayton County, Georgia, quoted and re-checked
- Wastewater Management, quoted and re-checked
- On Site Sewage Management System New Construction Application, quoted and re-checked
- Residential and Commercial General Contractors Frequently Asked Questions (2026 county census)
- Residential and Commercial General Contractors Frequently Asked Questions (Georgia statewide rule), quoted and re-checked
- Georgia Tiny House Fact Sheet (Georgia statewide rule), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Clayton County Code Requirements, quoted and re-checked
- Qualified Inspectors (Georgia statewide rule), quoted and re-checked
- Clayton County Building Permit Division (Community Development Department) (claytoncountyga.gov)
- Clayton County Planning & Zoning (Community Development Department) (library.municode.com)
- Governing Statutes, Regulations, and Guidance (Georgia statewide rule), quoted and re-checked
- Fees - Clayton County, Georgia, quoted and re-checked
- Clayton County Health Department (Battlecreek Road location, Office of Environmental Services) (dph.georgia.gov)
- Rules of the Department of Public Health, quoted and re-checked
- GA DPH Onsite Sewage Manual (Georgia statewide rule), quoted and re-checked
- Manufactured Housing (Georgia statewide rule), quoted and re-checked
- Engineering / Developer Information, quoted and re-checked
- Share of land at 15% slope or less: Bolthole Index county data
- Population density: Bolthole Index county data
- Distance to the nearest metro area: 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.