Best States / Georgia / Chatham County

Chatham County, GA · off-grid fact sheet

Can you live off-grid in Chatham County, Georgia?

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of 100
Significant challenges

Possible, but water will be hard. Wells run deep, near 500 feet, so budget $17,000 to $37,000 for one. The growing season runs about 272 frost-free days, long enough for a spring and a fall garden. Flood zones are common here, so look up any parcel on FEMA's flood map before you offer.

What the land says

Rain
Rain can supply much of a household's water with a large tank. A garden mostly waters itself in normal years.
About 50 inches a year (PRISM, 1991 to 2020 average)
Wells
Deep wells. Get a driller's quote before you offer.
The typical well here is about 500 feet deep; a well typically runs $17,000 to $37,000
Growing season
Long enough for a spring and a fall garden.
About 272 frost-free days, USDA zone 9a; last frost about March 5, first about November 27
Sun
Good sun. Size the array and battery bank for winter.
About 5.4 hours of full sun a day, averaged over the year
Flood
Flood zones are common here. Look up any parcel on FEMA's flood map before you offer.
FEMA maps flood zones across much of the county
Wildfire
Wildfire risk is high in parts of the county. Check the risk for the parcel you want.
U.S. Forest Service wildfire hazard map: Low to Very High here
Storms
Expect about two hurricanes within 50 miles over 30 years. Build to the wind code and keep a week of fuel and water. Strong tornadoes pass through now and then. A safe room is worth pricing.
NOAA: three hurricane-strength storms within 50 miles since 1975; about 2 strong (EF2 or stronger) tornadoes a decade within 25 miles
Terrain
Flat, but the ground stays wet. Build on the higher, drier spot.
Slopes average about 1%, about 10 feet above sea level
Soil
Expect a costlier septic system, because the soil stays wet for long stretches. The county's soil test decides.
Silty clay loam, poorly drained (USDA soil survey). A mound, sand filter, or treatment unit typically runs $10,000 to $20,000
Road
Paved roads are close by.
Nearest paved road usually within about 0.5 miles (OpenStreetMap)

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Is it legal here?

Zoning
Chatham County zones land outside its towns and publishes its zoning map. Our free lookup shows the district for any address.
Building code
Georgia's residential code (the International Residential Code with state amendments) applies to every new house statewide, but each county or city decides whether to enforce it with permits and inspections.
Rainwater
Collecting it is allowed.
Composting toilets
Allowed.
Water rights
Owners of land along a creek or lake can make reasonable use of its water.

Look up a parcel's zoning free, or read Is it legal to live off-grid in Georgia? for permits, septic, wells, and the counties that opt out.

What it costs to set up a homestead here

Well
$17,000 to $37,000
Drilled to about 500 feet, with pump and pressure tank
Septic
$10,000 to $20,000
Mound, sand filter, or treatment unit
Solar and batteries
$18,000 to $34,000
Sized for a modest household
Road or driveway
$3,000 to $7,000
From the nearest road to a house site
Clearing
$1,000 to $4,000
A house site, solar, and garden
Total
$49,000 to $102,000
Before the house

Before you make an offer on land here

Flood map
Look up the parcel on FEMA's flood map.
Flood zones are common here. Building in one means flood insurance and extra permits.
Well cost
Get a driller's quote.
Wells here run near 500 feet, so the well is a large cost.
Soil test
Get a soil test before you count on septic.
The soil stays wet, which can rule out a standard system.

Nearby counties

303,655 people live in Chatham County, about 701.7 per square mile. It ranks 158th of the 158 Georgia counties we scored, and Georgia ranks 4th of 50 states.

Bryan County, GA · Liberty County, GA · Effingham County, GA · Jasper County, SC · Beaufort County, SC · McIntosh County, GA · All scored Georgia counties

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Sources: FEMA flood maps, USGS and state driller well records, USGS brackish groundwater study, USDA soil survey, USGS 3DEP elevation, U.S. Forest Service wildfire hazard, USGS seismic hazard, USGS PAD-US public land, U.S. Census housing counts, USDA county land values, FCC broadband map, CMS hospital list. Rainfall: PRISM Group, Oregon State University, prism.oregonstate.edu (1991-2020 normals, 4 km grid; accessed 2026-09-17). Temperatures: PRISM Group, Oregon State University, prism.oregonstate.edu (1991-2020 temperature normals, 4 km grid; accessed 2026-09-26). Storms: NOAA hurricane tracks (HURDAT2, 1975-2025) and Storm Prediction Center tornado paths (EF2+, 1990-2025). Roads: © OpenStreetMap contributors. Data updated September 2026.