Laurens County, South Carolina · Laurens
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Pipes freeze in Laurens County on about 3 nights a year, mostly January. Older homes, 16% of the stock here, are most at risk.
December brings the most downpours to Laurens County, part of 12.1 heavy-rain days a year. Check the sump first.
16% of homes here predate 1960, when clay and cast iron sewer laterals were standard. Roots and cracks in those lines are a common cause of backups.
Laurens County's wettest day in the 2015–2024 record brought 5.94 inches, and about 46 freeze-thaw days a year mean ice dams in some winters.
4% of occupied homes in Laurens County heat mainly with wood or propane, below the South Carolina county median of 5.1%.
With 101 muggy nights a year, mold in Laurens County can appear within days of a leak. Dry first, then clean.
Local risk profile
Laurens County covers 713 square miles of northwest South Carolina, with about 68,666 residents and 32,027 homes. The county seat is Laurens, and Clinton, Watts Mills and Joanna round out the largest towns. Much of its housing is recent, with a median build year of 1985.
55/100 Water Damage Risk Index: Elevated Laurens County ranks 21 of 46 South Carolina counties. See the statewide ranking and method.The three factors where Laurens County ranks highest compared with other South Carolina counties.
Laurens County gets more hard-freeze nights than most of South Carolina. It averaged 46 freezing nights a year over 2015–2024, 3 of them at 20°F or colder, cold enough for pipes in outside walls and crawl spaces to freeze. Among 46 South Carolina counties that's 7th.
Expect the hardest freezes in January, inside a season that runs January. That's when an outdoor spigot left connected to a hose, or a pipe in a crawl space, is most likely to split.
Freezing nights typically start around Nov 15 and end around Mar 24.
Rainfall is about average for South Carolina. The county gets about 48.3 inches of rain and melted snow a year, with 12.1 days of an inch or more (24th of 46). Those downpours cluster in January, April and December, when sump pumps and gutters are tested hardest. The wettest day on record brought 5.94 inches on September 27, 2024. The worst three-day stretch dropped 7.1 inches, ending September 28, 2024, the kind of soaking that overwhelms sump pumps and storm sewers.
About 46 days a year swing from below freezing at night to above freezing by day. Those freeze-thaw cycles feed ice dams on roofs, open cracks in foundations and driveways, and stress pipes that are already marginal.
Housing
43% of homes in Laurens County predate 1980, close to the South Carolina county median of 39.8%, which ranks 18th of South Carolina's 46 counties.
Older and newer homes sit side by side here: 16% predate 1960 and 23% are from 2000 or later. Corroded pipe is the typical failure in the first group, burst supply hoses in the second.
35% 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.
30% of homes are manufactured or mobile homes, above the South Carolina county median of 22%. Their water lines run under the floor behind the skirting, so a torn skirt or failed heat tape freezes them faster than lines in a site-built house.
Beyond water
About 101 nights a year in Laurens County stay at 65°F or warmer, a sign of muggy summer air (36th of 46 counties). December is the wettest month. 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 expectMain heating fuel in Laurens County's occupied homes: 30% utility gas, 63% 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 Laurens County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Greenville gets more pipe-freeze nights than Laurens. Union County has the oldest housing nearby, with 64% of homes built before 1980.
By the numbers
| Factor | Laurens | South Carolina median | Rank |
|---|---|---|---|
| Homes built before 1960 | 16% | 15% | 18 of 46 |
| Homes built before 1980 | 43% | 40% | 18 of 46 |
| Homes built 2000 or later | 23% | 25% | 28 of 46 |
| Manufactured or mobile homes | 30% | 22% | 10 of 46 |
| Vacant homes | 16% | 16% | 23 of 46 |
| Wood or propane heat | 4.4% | 5.1% | 29 of 46 |
| Nights at 20°F or colder | 3/yr | 2/yr | 7 of 46 |
| Days with 1 inch+ of rain | 12/yr | 12/yr | 24 of 46 |
| Freeze-thaw days | 46/yr | 35/yr | 10 of 46 |
| Muggy nights (65°F+) | 101/yr | 114/yr | 36 of 46 |
Rank 1 is the highest value. Bars run from the lowest to the highest South Carolina county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Laurens County: freezing from January, heavy rain in January, April 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