Franklin County, Georgia requires a building permit before constructing, erecting or moving a building or structure of at least 150 square feet, or making an addition of at least 150 square feet1. Franklin County also has zoning under its Unified Development Code2. Septic permits go through Franklin County Environmental Health3.
At a glance
- Building permit
- Required before work on a building, structure or addition of at least 150 square feet1
- Zoning
- Franklin County has an adopted Unified Development Code and zoning map2
- Septic permit
- Franklin County Environmental Health issues onsite sewage permits3
- Owner-builder
- Allowed for personal use with a homeowner affidavit; not for rental, development or commercial property4
- Tiny home
- Site-built and modular tiny homes must meet building codes and local siting rules5
- RV living
- General private-land occupancy was not confirmed; ask Planning and Zoning before relying on an RV2
- Private well
- A well contractor must contact the local health department before drilling; local permit requirements vary6
- Setbacks
- Vary by zoning district and use7
Who to call
Building permits
Franklin County Building Department
Building permits, plan review, inspections and construction-code compliance
141 Athens Street, Carnesville, GA 30521
Zoning
Franklin County Planning and Zoning Department
Zoning, rezoning, conditional uses, variances, plats, subdivisions and site-plan review
Franklin County Board of Commissioners Office, 141 Athens Street, Carnesville, GA 30521
Septic permits
Franklin County Environmental Health
Local environmental-health procedures for onsite sewage permits and land use
6955 Hwy 145 South, Carnesville, GA 30521
Contact details are copied from each office’s official page and were checked against it on September 27, 2026.
Do you need a building permit in Franklin County, Georgia?
Yes. Franklin County requires a building permit before construction, erection or moving of a building or structure that is at least 150 square feet, and before a building addition that is at least 150 square feet1. The Franklin County Building Department issues and tracks permits, reviews plans, and inspects residential and commercial construction8. Franklin County has adopted building codes for the construction it enforces9. Georgia's mandatory construction codes apply statewide even where a local government does not enforce every code, so a project below Franklin County's stated permit threshold is not automatically exempt from applicable construction standards10.
Who is the Franklin County building department?
The Franklin County Building Department handles new-construction, alteration and addition permits, plan review, inspections and construction-code compliance8. The office is at 141 Athens Street in Carnesville, and the county's published main number is (706) 384-24838. Applications go through the county's online permit portal11. A complete application may require the deed, recorded plat, construction drawings, a scaled location plan, a septic permit when applicable, contractor licensing records and erosion-control documents when applicable11. The county says complete applications are generally issued in five business days, although volume can change that timing11.
Does Franklin County have zoning?
Yes. Franklin County formally enacted a Unified Development Code and approved zoning map, replacing its earlier zoning regulations2. Planning and Zoning handles rezonings, conditional uses, variances, plats, subdivisions and site-plan reviews12. Setbacks for principal and accessory buildings vary by zoning district and use, so a setback from a neighboring parcel cannot be inferred from acreage alone7. Franklin County regulates major and minor subdivision applications, and final plats must be approved and recorded before subdivision lots may be sold or transferred13. Before buying, ask Planning and Zoning to identify the parcel's district and confirm allowed uses, setbacks and any subdivision constraints12.
How do septic permits work in Franklin County?
Franklin County Environmental Health issues onsite sewage permits through Georgia's District 2 public-health system3. Franklin County's residential building-permit checklist includes a septic permit for septic-served construction when applicable14. Georgia requires a permit before installing, repairing, replacing or adding to an onsite sewage system, and the County Board of Health must find the site suitable before issuing it15. The construction permit lasts no more than 12 months15. About 65.7% of Franklin County soils are rated without severe limits for a conventional drain field, but an individual parcel still needs its own suitability review16. Call Environmental Health at 706-384-5575 Ext. 4 before treating a listing's septic claim as buildable capacity17.
Can you live in an RV or tiny home in Franklin County?
A site-built or modular tiny home in Franklin County is a dwelling subject to applicable Georgia building codes and must also be approved for siting under Franklin County's local zoning5. Georgia's tiny-house framework does not establish permission for an RV-based or manufactured-home-based tiny home5. A manufactured home requires a state installation permit obtained by a licensed installer, while local zoning and utility rules still control whether the parcel can contain it18. We could not confirm a reviewed general rule for living in an RV on private land, temporary camping or accessory dwellings; ask Franklin County Planning and Zoning about the exact parcel and proposed use before buying12.
Building a home in Franklin County: what are the steps?
- Ask Planning and Zoning to confirm the parcel's district, allowed dwelling type and setbacks12.
- Obtain a septic permit from Franklin County Environmental Health if the home will use onsite sewage14.
- Ask the local health department about well siting and whether Franklin County requires a well-construction permit before drilling6.
- Assemble the deed, recorded plat, plans, scaled site drawing, licenses and applicable erosion-control documents, then submit through the county permit portal11.
- Schedule required inspections with the Building Department as construction proceeds8.
- Ask the Building Department which final approvals and certificate-of-occupancy steps apply, because only a local governing authority may issue a certificate of occupancy in Georgia19.
What should you check before buying land in Franklin County?
Start with zoning, legal access, septic suitability, water and flood exposure. Franklin County Planning and Zoning can confirm the zoning district, parcel setbacks, subdivision status and whether a proposed use fits the site12. About 83.8% of county land has slopes of 15% or less, but a parcel-level survey is still needed to price grading and access20. About 65.7% of soils avoid severe conventional-drain-field limits, so do not substitute a county average for an Environmental Health site review16. A driveway entering a Georgia state-highway right-of-way needs a GDOT permit before construction or non-routine maintenance21. Floodplain ordinances are administered locally, and the parcel's flood status was not determined here, so ask Planning and Zoning who reviews floodplain development before closing22.
Watch-outs
- An owner may perform trade work for personal use only after including the homeowner affidavit; Franklin County says that affidavit cannot be used for rental, development or commercial property4.
- We could not confirm Franklin County's general rules for RV occupancy, temporary camping, accessory dwellings, private-well permits or ordinary floodplain development; take the parcel address and proposed use to Planning and Zoning and Environmental Health before closing1217.
- A public or community sewer connection is required under Georgia's onsite-sewage rules when service is available within 200 feet of the property line or in an abutting public right-of-way, subject to the stated failing-system exception23.
Sources
- Franklin County Building Permit Applications (2026 county census)
- Franklin County Planning & Zoning (2026 county census)
- Franklin County - Environmental Health (2026 county census)
- Building Permit Applications, quoted and re-checked
- Georgia Tiny House Fact Sheet (Georgia statewide rule), quoted and re-checked
- Water Well Standards (Georgia statewide rule), quoted and re-checked
- Franklin County Unified Development Code (Amended March 3, 2025), quoted and re-checked
- Franklin County Building Department (franklincountyga.gov)
- Building Department, quoted and re-checked
- Mandatory and Permissive State Codes (Georgia statewide rule), quoted and re-checked
- Building Permit Applications, quoted and re-checked
- Franklin County Planning and Zoning Department (franklincountyga.gov)
- Planning & Zoning, quoted and re-checked
- Permit Check List, quoted and re-checked
- Manual for On-Site Sewage Management Systems (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
- Franklin County Environmental Health (franklincountyga.gov)
- Manufactured Housing (Georgia statewide rule), quoted and re-checked
- Qualified Inspectors (Georgia statewide rule), quoted and re-checked
- Share of land at 15% slope or less: Bolthole Index county data
- Regulations for Driveway & Encroachment Control Manual (Georgia statewide rule), quoted and re-checked
- Floodplain Management (Georgia statewide rule), quoted and re-checked
- GA DPH Onsite Sewage Manual (Georgia statewide rule), quoted and re-checked
Written September 27, 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.