Unincorporated McIntosh County, Georgia requires a building permit before constructing, erecting, moving or altering a building or structure1. County zoning governs land use outside incorporated municipalities1. McIntosh County Environmental Health handles local septic services, and development using a well, septic tank, private water or private sewage disposal needs County Health Department approval with the building-permit application1.
Do you need a building permit in McIntosh County, Georgia?
Unincorporated McIntosh County requires a building permit before construction, erection, moving or alteration of any building or structure begins.
Unincorporated McIntosh County requires a building permit before construction, erection, moving or alteration of any building or structure begins1. In unincorporated McIntosh County, the county enforces the current construction codes adopted and amended by the Georgia Department of Community Affairs, including state-adopted appendices1,8. Before issuance, access must comply with the zoning code and any required final plat must be approved1. Development served by a well, septic tank, private water or private sewage disposal system must include County Health Department approval with the building-permit application1. A conforming application requires a dimensioned plat or scale plan and intended uses; after the fee is paid, the ordinance calls for issuance within 10 days, while a refusal must give written reasons1. If construction has not begun within six months, the building permit must be renewed1. Georgia's owner-builder exemption covers qualifying owners building on their own property for their own occupancy, but it does not waive county permits, codes, inspections or zoning6.
Who issues building permits in McIntosh County, and how do you reach them?
McIntosh County Building & Zoning is the permit and zoning office at 100 Madison Street, Darien, GA 31305; call 912-437-6603.
McIntosh County Building & Zoning is the permit and zoning office at 100 Madison Street, Darien, GA 31305; call 912-437-66039. The county page links an active-permitting portal and downloadable permit applications9. For land in unincorporated McIntosh County, start with this office to identify the zoning district, confirm the site plan, determine whether a special use is needed and obtain the correct building application1,8. The county requires established access before a building permit can issue, and a residential application may require driveway-culvert status plus a Public Works letter1. The published new-home application lists a residential building-permit fee of $0.30 per square foot and doubles it to $0.60 per square foot when construction begins before the permit is obtained10. Ask Building & Zoning about fees for work outside that application because we could not confirm a complete current fee schedule9.
Does McIntosh County have zoning?
McIntosh County zoning applies only to unincorporated land; uses must be permitted by right or through Special Use approval in the mapped district.
McIntosh County zoning applies only to unincorporated land; uses must be permitted by right or through Special Use approval in the mapped district1. An unlisted use is prohibited and requires County Commission approval through an ordinance text amendment1. Permitted uses, setbacks, lot coverage and dimensional rules depend on the parcel's district1. Unless a district says otherwise, structures are capped at 35 feet, with listed exceptions such as silos and water towers1. Guest houses or accessory dwelling units are allowed in identified districts but cannot exceed 25% of the primary structure or 700 square feet; they also need a permanent foundation, shared services, compliant setbacks and plans stamped by a licensed engineer or architect1. Manufactured homes are permitted by right in the A-F, A-R, R-1 and R-2 districts; the reviewed use table does not show them as permitted in the other listed districts1.
How do septic permits work in McIntosh County?
McIntosh County Environmental Health administers local onsite-sewage services under Georgia's statewide standards.
McIntosh County Environmental Health administers local onsite-sewage services under Georgia's statewide standards1. McIntosh County Environmental Health also handles onsite sewage services inside Darien11. The office is at 1335 GA Highway 57, Townsend, GA 31331, and its phone number is (912) 832-547312. For development using a septic tank or private sewage disposal system, a County Health Department approval certificate must accompany the building-permit application1. The County Board of Health must find a site suitable before issuing a septic construction permit, and the permit remains valid for no more than 12 months2. New systems and repairs to malfunctioning systems are inspected11. The Board of Health must also make a final inspection and give written approval before a system is backfilled or used3. Only 0.7% of McIntosh County soils are rated without severe limitations for a conventional drain field, so arrange the site evaluation before fixing a house location or closing on marginal land13. A public or community sewer available within 200 feet of the property line or in an abutting public right-of-way generally triggers a connection requirement, subject to the stated repair exception for some failing residential systems2.
Can you live in an RV or tiny home on your land in McIntosh County?
In unincorporated McIntosh County, an owner or lessee may accommodate one recreational vehicle belonging to a nonpaying guest for no more than 15 days in any one year, and property without a residential dwelling requires a permit.
In unincorporated McIntosh County, an owner or lessee may accommodate one recreational vehicle belonging to a nonpaying guest for no more than 15 days in any one year, and property without a residential dwelling requires a permit1. One unoccupied RV may be stored in a private garage, accessory building, rear yard or side yard when it belongs to the owner or lessee1. An RV park is a distinct zoning use: the RVP district requires at least 5 acres, and unit locations must have approved community water and engineered sewer service1. Site-built or modular tiny homes in Georgia need building-code compliance and local siting approval4. In unincorporated McIntosh County, R-2 dwellings and Hog Hammock (HH) residences require at least 720 heated square feet, ruling out a typical tiny house in those districts5. Ask Building & Zoning whether the design and proposed parcel's district work together9.
Building a home in McIntosh County: the steps, in order
For unincorporated land, ask McIntosh County Building & Zoning to confirm the zoning district, allowed dwelling type, setbacks and height rules.
- For unincorporated land, ask McIntosh County Building & Zoning to confirm the zoning district, allowed dwelling type, setbacks and height rules1,8,9.
- Confirm legal access and driveway-culvert requirements; the county will not issue a building permit until access is established, and a state-highway driveway requires the appropriate Georgia Department of Transportation application1,14.
- Arrange Environmental Health review for any well, private water, septic tank or private sewage disposal system and obtain the approval required with the building application1,12.
- Submit the dimensioned site plan, intended uses and other required plans to Building & Zoning, then pay the applicable fee1.
- Obtain the building permit before work starts and renew it if construction has not begun within six months1.
- Schedule inspections only when the site is ready: failed or premature inspection calls incur reinspection fees of $35, $50 and $65, payable before the inspector returns7.
What should you check before buying land in McIntosh County?
Verify the zoning map, permitted use, setbacks and legal access before relying on a listing description.
Verify the zoning map, permitted use, setbacks and legal access before relying on a listing description1. If the seller is creating a new tract, confirm final-plat status because McIntosh County regulates divisions into two or more lots and will not issue a building permit before final-plat approval1. Check septic feasibility early because only 0.7% of county soils are rated without severe limits for a conventional drain field13. Determine whether County water is close enough to require connection: residences within 200 feet must connect7. If the project instead uses a well or private water system, budget time for County Health Department approval before submitting the building-permit application1. Coastal flood exposure also changes the build; in specified flood-hazard areas, the lowest floor of new construction and substantial improvements must be at least 1 foot above base flood elevation15. For carrying costs, the effective property-tax rate is about 0.8%, the median annual property-tax bill is about $1,310, and the typical home value is about $279,47813.
Watch-outs
- A parcel without a residential dwelling requires a permit for an RV, while the nonpaying-guest allowance is limited to one RV for no more than 15 days in one year1.
- Only 0.7% of McIntosh County soils are rated without severe limitations for a conventional septic drain field, so a favorable-looking parcel still needs early site evaluation13.
- In specified flood-hazard areas, new construction and substantial improvements must place the lowest floor at least 1 foot above base flood elevation15.
Sources
15 official pages, each quoted and re-checked · written October 10, 2026
- McIntosh Zoning Ordinance 2025 v1
- Manual for On-Site Sewage Management Systems (Georgia statewide rule)
- Manual for On-Site Sewage Management Systems (Georgia statewide rule)
- Georgia Tiny House Fact Sheet (Georgia statewide rule)
- McIntosh Zoning Ordinance 2025 v1
- gov.georgia.gov
- mcintoshcountyga.com
- McIntosh County Zoning Ordinance 2025 v.1
- McIntosh County Building & Zoning Office (mcintoshcountyga.com)
- New Home Construction Permit Application
- Darien: Onsite Sewage (McIntosh County)
- McIntosh County Environmental Health (Georgia Coastal Health District) (coastalhealthdistrict.org)
- 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
- Regulations for Driveway & Encroachment Control Manual (Georgia statewide rule)
- Flood Prevention Sec. 10-54 Adopted 9-12-23
Written October 10, 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.
Off-grid gear
Going off-grid in McIntosh 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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