Boone County, West Virginia · Madison
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With 30% of homes built before 1960 and about 20 hard-freeze nights a year, frozen and split pipes are a leading winter risk in the county.
July brings the most downpours to Boone County, part of 7.3 heavy-rain days a year. Check the sump first.
30% 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.
In Boone County, 2.81 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
8% of occupied homes in Boone County heat mainly with wood or propane, below the West Virginia county median of 10.1%.
With 42 muggy nights a year, mold in Boone County can appear within days of a leak. Dry first, then clean.
Local risk profile
About 21,026 people live in Boone County, 502 square miles in southwest West Virginia, in roughly 10,150 homes. Besides Madison, the county seat, the biggest communities are Danville, Racine and Whitesville. The county's median home was built in 1976.
49/100 Water Damage Risk Index: Elevated Boone County ranks 29 of 55 West Virginia counties. See the statewide ranking and method.The three factors where Boone County ranks highest compared with other West Virginia counties.
Boone County is milder than most of West Virginia, but not mild enough to skip winterizing. It averaged 88 freezing nights a year over 2015–2024, 20 of them at 20°F or colder, cold enough for pipes in outside walls and crawl spaces to freeze. Among 55 West Virginia counties that's 48th.
On February 20, 2015 the low fell to about -13°F, and in the stretch ending January 2018 the county went 13 days in a row below freezing. Leaks from split pipes typically appear the day the thaw arrives.
Expect the hardest freezes in January, inside a season that runs December to March. That's when an outdoor spigot left connected to a hose, or a pipe in a crawl space, is most likely to split.
On average the first fall freeze arrives around Nov 2 and the last spring freeze around Apr 21.
Heavy rain is a bigger factor here than in most of West Virginia. Of roughly 48.9 inches of yearly precipitation, the damage comes from the 7.3 days a year with an inch or more, ranked 15th of 55. February, April and July see the most. The single wettest day in the record: 2.81 inches, February 17, 2023. Multi-day storms matter most for basements; the wettest three days on record here totaled 3.48 inches (through March 1, 2021).
The temperature crosses 32°F in both directions on roughly 76 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
57% of homes in Boone County predate 1980, close to the West Virginia county median of 55.1%, which ranks 24th of West Virginia's 55 counties.
Housing age is mixed: 30% of homes are pre-1960 and 15% are 2000 or newer. Ask any plumber which era your house is from and you'll know which failures to watch for.
28% 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 27% 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.
The Census counted 22% of homes as vacant, above the West Virginia county median of 17.4%. Empty houses are where a small leak turns into a large claim, because nobody is there to hear it.
Beyond water
Boone County averages 42 warm, muggy nights a year (lows of 65°F or more) and gets the most rain in July. 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 Boone County's occupied homes: 39% utility gas, 52% electric, 5% propane and 3% wood. Fires here are likelier to start in the kitchen or the wiring than in the furnace. After any fire, keep the HVAC off until ducts are checked, or soot will travel through the house.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Boone County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Raleigh and Wyoming get more pipe-freeze nights than Boone. Kanawha County has the oldest housing nearby, with 70% of homes built before 1980.
By the numbers
| Factor | Boone | West Virginia median | Rank |
|---|---|---|---|
| Homes built before 1960 | 30% | 31% | 30 of 55 |
| Homes built before 1980 | 57% | 55% | 24 of 55 |
| Homes built 2000 or later | 15% | 17% | 40 of 55 |
| Manufactured or mobile homes | 27% | 16% | 5 of 55 |
| Vacant homes | 22% | 17% | 16 of 55 |
| Wood or propane heat | 8.1% | 10% | 34 of 55 |
| Nights at 20°F or colder | 20/yr | 25/yr | 48 of 55 |
| Days with 1 inch+ of rain | 7.3/yr | 6.8/yr | 15 of 55 |
| Freeze-thaw days | 76/yr | 89/yr | 50 of 55 |
| Muggy nights (65°F+) | 42/yr | 27/yr | 9 of 55 |
Rank 1 is the highest value. Bars run from the lowest to the highest West Virginia county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Boone County: freezing from December to March, heavy rain in February, April and July.
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