Jackson County, Georgia · Jefferson
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Pipes freeze in Jackson County on about 2 nights a year, mostly January. Older homes, 6% of the stock here, are most at risk.
January brings the most downpours to Jackson County, part of 14.3 heavy-rain days a year. Check the sump first.
Sewage backups in Jackson County spike on heavy-rain days, about 14.3 a year, when sewer mains fill up and water finds the lowest drain.
Jackson County's wettest day in the 2015–2024 record brought 4.87 inches, and about 40 freeze-thaw days a year mean ice dams in some winters.
5% of occupied homes in Jackson County heat mainly with wood or propane, below the Georgia county median of 7.1%.
With 99 muggy nights a year, mold in Jackson County can appear within days of a leak. Dry first, then clean.
Local risk profile
With 30,745 homes and around 84,757 residents, Jackson County is 340 square miles of northern Georgia. Besides Jefferson, the county seat, the biggest communities are Braselton, Commerce and Hoschton. Much of its housing is recent, with a median build year of 2002.
47/100 Water Damage Risk Index: Elevated Jackson County ranks 100 of 159 Georgia counties. See the statewide ranking and method.The three factors where Jackson County ranks highest compared with other Georgia counties.
Jackson is on the colder side of Georgia for pipes. It averaged 40 freezing nights a year over 2015–2024, 2 of them at 20°F or colder, cold enough for pipes in outside walls and crawl spaces to freeze. Among 159 Georgia counties that's 48th.
The freeze season here runs January, with January the coldest. If you travel then, leave the thermostat at 55°F or above and open sink cabinets on outside walls.
On average the first fall freeze arrives around Nov 20 and the last spring freeze around Mar 15.
Heavy rain is a bigger factor here than in most of Georgia. About 14.3 days a year bring an inch or more (19th of 159), most often in January, out of 55.3 inches of total precipitation. On September 27, 2024, 4.87 inches fell in a single day. Multi-day storms matter most for basements; the wettest three days on record here totaled 7.1 inches (through September 28, 2024).
The temperature crosses 32°F in both directions on roughly 40 days a year. Each cycle melts and refreezes water at roof edges and in foundation cracks, which is how ice dams and basement seepage get started.
Housing
18% of homes in Jackson County predate 1980, below the Georgia county median of 38.4%, which ranks 147th of Georgia's 159 counties.
57% of homes were built in 2000 or later, more than in most of Georgia. Newer plumbing rarely corrodes, so damage here tends to come from appliance supply lines, water heaters, sump pumps and storms.
25% date from 1980 to 1999, the window when polybutylene, a gray flexible plastic supply pipe, was used in some homes. It's prone to leaks at the fittings, so it's worth checking for in a house from those years.
Here 12% of housing is manufactured homes. Check the skirting and the heat tape on the main water line every fall, because that one exposed line is what freezes.
Beyond water
Jackson County averages 99 warm, muggy nights a year (lows of 65°F or more) and gets the most rain in January. Mold grows when indoor humidity stays above about 60%, the EPA's ceiling. A basement dehumidifier set to 50% and drying anything wet within 24 to 48 hours prevents most problems.
Mold remediation: what to expectBy main heating fuel, Jackson County homes break down as 16% utility gas, 78% electric, 3% propane and 1% wood. Most homes here heat with gas or electricity, so cooking and electrical faults are the likelier fire sources. Even a contained kitchen fire can send soot through the ductwork to every room.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Jackson County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Banks, Barrow, Hall and Madison get more pipe-freeze nights than Jackson. Clarke County has the oldest housing nearby, with 40% of homes built before 1980.
By the numbers
| Factor | Jackson | Georgia median | Rank |
|---|---|---|---|
| Homes built before 1960 | 6.3% | 15% | 141 of 159 |
| Homes built before 1980 | 18% | 38% | 147 of 159 |
| Homes built 2000 or later | 57% | 27% | 4 of 159 |
| Manufactured or mobile homes | 12% | 21% | 113 of 159 |
| Vacant homes | 7.6% | 14% | 138 of 159 |
| Wood or propane heat | 4.7% | 7.1% | 100 of 159 |
| Nights at 20°F or colder | 2/yr | 2/yr | 48 of 159 |
| Days with 1 inch+ of rain | 14/yr | 12/yr | 19 of 159 |
| Freeze-thaw days | 40/yr | 29/yr | 39 of 159 |
| Muggy nights (65°F+) | 99/yr | 112/yr | 121 of 159 |
Rank 1 is the highest value. Bars run from the lowest to the highest Georgia county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Jackson County: freezing from January, heavy rain in January, February and December.
Sources: U.S. Census Bureau, ACS 2024 5-year estimates (2020-2024); weather from NOAA nClimGrid-Daily county averages (EpiNOAA), 2015–2024, averaged across the county; county boundaries from Census TIGER. Reviewed 2026-10-21. Methodology