Brunswick County, Virginia · Lawrenceville
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Pipes freeze in Brunswick County on about 9 nights a year, mostly December to February. Older homes, 27% of the stock here, are most at risk.
Basements flood here mostly in June. Brunswick County averages 9.9 days a year with an inch of rain or more.
Sewage backups in Brunswick County spike on heavy-rain days, about 9.9 a year, when sewer mains fill up and water finds the lowest drain.
Roof leaks here come from summer downpours and, with about 69 freeze-thaw days a year, from winter ice dams. Most show up as ceiling stains in the room below.
14% of occupied homes in Brunswick County heat mainly with wood or propane, above the Virginia county median of 11.9%.
With 83 muggy nights a year, mold in Brunswick County can appear within days of a leak. Dry first, then clean.
Local risk profile
About 15,841 people live in Brunswick County, 566 square miles in southeast Virginia, in roughly 7,957 homes. The county seat is Lawrenceville, and Gasburg, Brodnax and Alberta round out the largest towns. Half the homes here were built before 1979, half after.
55/100 Water Damage Risk Index: Elevated Brunswick County ranks 32 of 95 Virginia counties. See the statewide ranking and method.The three factors where Brunswick County ranks highest compared with other Virginia counties.
Winters here are on the gentler end for Virginia, and pipes still freeze. In the 2015–2024 record the county logged about 9 nights a year at or below 20°F (71st of 95) and 71 below freezing. Twenty degrees is roughly where uninsulated pipes start to freeze.
Cold snaps are the real risk. The worst in the record lasted 3 days below freezing (ending January 2017), and the low bottomed out near -3°F on January 7, 2018.
Expect the hardest freezes in January, inside a season that runs December to February. 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 8 and end around Mar 28.
Rainfall is about average for Virginia. The county gets about 47.7 inches of rain and melted snow a year, with 9.9 days of an inch or more (49th of 95). Those downpours cluster in May, June and September, when sump pumps and gutters are tested hardest. The wettest day on record brought 4.39 inches on October 9, 2016. The worst three-day stretch dropped 5.19 inches, ending October 9, 2016, the kind of soaking that overwhelms sump pumps and storm sewers.
Freeze-thaw days, below freezing overnight and above it by afternoon, come about 69 times a year here. They're the main driver of ice dams and of water working its way through foundation cracks in late winter.
Housing
Virginia's 95 counties range widely in housing age; Brunswick ranks 25th, with 51% of its homes built before 1980.
Before 1960 is when 27% of these homes went up. Galvanized supply lines and cast iron drains were standard then, and after 60-plus years both corrode and crack, often out of sight inside a wall or under a slab.
About 28% of homes went up between 1980 and 1999. Some houses from the late 1970s to the mid-1990s were plumbed with polybutylene, a gray plastic pipe known for failing at fittings. A plumber can tell you in a few minutes whether you have it.
Manufactured and mobile homes make up 22% of the housing here. Water lines in the underbelly depend on intact skirting and working heat tape, and they're usually the first to freeze in a cold snap.
With 19% 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
About 83 nights a year in Brunswick County stay at 65°F or warmer, a sign of muggy summer air (20th of 95 counties). July is the wettest month. 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 expectBy main heating fuel, Brunswick County homes break down as 3% utility gas, 68% electric, 10% propane and 4% 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 Brunswick County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Dinwiddie, Lunenburg and Nottoway get more pipe-freeze nights than Brunswick. Lunenburg County has the oldest housing nearby, with 62% of homes built before 1980.
By the numbers
| Factor | Brunswick | Virginia median | Rank |
|---|---|---|---|
| Homes built before 1960 | 27% | 20% | 19 of 95 |
| Homes built before 1980 | 51% | 46% | 25 of 95 |
| Homes built 2000 or later | 21% | 25% | 65 of 95 |
| Manufactured or mobile homes | 22% | 9.6% | 9 of 95 |
| Vacant homes | 19% | 15% | 32 of 95 |
| Wood or propane heat | 14% | 12% | 38 of 95 |
| Nights at 20°F or colder | 9/yr | 14/yr | 71 of 95 |
| Days with 1 inch+ of rain | 9.9/yr | 10/yr | 49 of 95 |
| Freeze-thaw days | 69/yr | 77/yr | 72 of 95 |
| Muggy nights (65°F+) | 83/yr | 64/yr | 20 of 95 |
Rank 1 is the highest value. Bars run from the lowest to the highest Virginia county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Brunswick County: freezing from December to February, heavy rain in May, June 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