Caswell County, North Carolina · Yanceyville
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Caswell County averages 9 nights a year at 20°F or colder, mostly December to February, and 22% of its homes predate 1960.
Basements flood here mostly in September. Caswell County averages 10.9 days a year with an inch of rain or more.
Backups often follow heavy rain, which Caswell County gets about 10.9 days a year, when storm water overloads sewer mains and pushes up through the lowest drain in the house.
Roof leaks here come from summer downpours and, with about 71 freeze-thaw days a year, from winter ice dams. Most show up as ceiling stains in the room below.
28% of occupied homes in Caswell County heat mainly with wood or propane, above the North Carolina county median of 11.7%.
About 74 nights a year here stay at 65°F or warmer, so basements and crawl spaces can grow mold even without a leak.
Local risk profile
With 10,521 homes and around 22,404 residents, Caswell County is 425 square miles of northern North Carolina. Besides Yanceyville, the county seat, the biggest community is Milton. The county's median home was built in 1981.
58/100 Water Damage Risk Index: Elevated Caswell County ranks 30 of 100 North Carolina counties. See the statewide ranking and method.The three factors where Caswell County ranks highest compared with other North Carolina counties.
Caswell is on the colder side of North Carolina for pipes. From 2015–2024 it averaged 9 nights a year at 20°F or colder, the range where pipes in exterior walls, crawl spaces and unheated garages freeze, and 74 nights at or below 32°F. That ranks 24th of 100 counties.
Cold snaps are the real risk. The worst in the record lasted 4 days below freezing (ending January 2018), and the low bottomed out near 2°F on February 20, 2015.
Most freezing nights fall from December to February, peaking in January. Disconnect garden hoses and shut off outdoor spigots before the first hard frost, and keep the heat at 55°F or higher if you'll be away.
On average the first fall freeze arrives around Nov 4 and the last spring freeze around Apr 6.
Caswell gets fewer downpours than most North Carolina counties, but they still fill basements. The county gets about 49.2 inches of rain and melted snow a year, with 10.9 days of an inch or more (67th of 100). Those downpours cluster in May, August and September, when sump pumps and gutters are tested hardest. The wettest day on record brought 3.81 inches on October 12, 2018. Multi-day storms matter most for basements; the wettest three days on record here totaled 5.47 inches (through April 25, 2017).
About 71 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
48% of homes in Caswell County predate 1980, above the North Carolina county median of 41.2%, which ranks 23rd of North Carolina's 100 counties.
22% were built before 1960. Homes from that era often still have galvanized steel supply pipe, which rusts from the inside until it pinholes, and cast iron drains that crack with age. Slow leaks behind walls are a common start to water damage in these houses.
29% 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.
23% of homes are manufactured or mobile homes, above the North Carolina county median of 17.4%. 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.
With 16% of homes empty at survey time, landlords and seasonal owners should shut off the main or schedule checks in winter. An unheated vacant house is also where many policies limit freeze coverage.
Beyond water
Summer nights that don't drop below 65°F, a good marker of humid air, come about 74 times a year here, below the North Carolina county median of 88.5. The EPA recommends keeping indoor humidity below 60%, ideally 30 to 50%. Basements can pass 60% on their own in summer, so a dehumidifier matters even without a leak, and anything wet should be dried within 24 to 48 hours.
Mold remediation: what to expectMain heating fuel in Caswell County's occupied homes: 4% utility gas, 63% electric, 23% propane and 5% wood. Wood and propane heat are more common here than the state median. Have chimneys swept and fuel-burning appliances serviced each fall, and keep three feet clear around stoves and space heaters.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Caswell County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Caswell gets more pipe-freeze nights than any of its neighbors. Rockingham County has the oldest housing nearby, with 53% of homes built before 1980.
By the numbers
| Factor | Caswell | North Carolina median | Rank |
|---|---|---|---|
| Homes built before 1960 | 22% | 18% | 21 of 100 |
| Homes built before 1980 | 48% | 41% | 23 of 100 |
| Homes built 2000 or later | 23% | 26% | 67 of 100 |
| Manufactured or mobile homes | 23% | 17% | 31 of 100 |
| Vacant homes | 16% | 13% | 38 of 100 |
| Wood or propane heat | 28% | 12% | 5 of 100 |
| Nights at 20°F or colder | 9/yr | 5/yr | 24 of 100 |
| Days with 1 inch+ of rain | 11/yr | 12/yr | 67 of 100 |
| Freeze-thaw days | 71/yr | 57/yr | 22 of 100 |
| Muggy nights (65°F+) | 74/yr | 89/yr | 72 of 100 |
Rank 1 is the highest value. Bars run from the lowest to the highest North Carolina county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Caswell County: freezing from December to February, heavy rain in May, August and September.
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