Chambers County, Texas · Anahuac
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Chambers County averages 0 nights a year at 20°F or colder, mostly midwinter, and 7% of its homes predate 1960.
Heavy rain days of an inch or more come about 15.4 times a year here, most often in May. A sump pump that hasn't run since last season is a common weak point.
Backups often follow heavy rain, which Chambers County gets about 15.4 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. Most show up as ceiling stains in the room below.
7% of occupied homes in Chambers County heat mainly with wood or propane, above the Texas county median of 6.5%.
Muggy summer nights, lows of 65°F or more, come about 185 times a year in Chambers County. Mold after a leak spreads fastest from June through August.
Local risk profile
Chambers County covers 597 square miles of eastern Texas, with about 51,498 residents and 18,937 homes. Anahuac is the county seat; Seabrook, Mont Belvieu and Beach City are the next largest communities. Much of its housing is recent, with a median build year of 2004.
40/100 Water Damage Risk Index: Moderate Chambers County ranks 190 of 232 Texas counties. See the statewide ranking and method.The three factors where Chambers County ranks highest compared with other Texas counties.
Chambers County is milder than most of Texas, but not mild enough to skip winterizing. It averaged 3 freezing nights a year over 2015–2024, 0 of them at 20°F or colder, cold enough for pipes in outside walls and crawl spaces to freeze. Among 232 Texas counties that's 205th.
With only about 3 freezing nights a year, many homes here aren't built for cold, so a single arctic outbreak can burst pipes across the county. The record low in this data was about 16°F, on February 16, 2021.
Heavy rain is a bigger factor here than in most of Texas. The county gets about 61.6 inches of rain and melted snow a year, with 15.4 days of an inch or more (28th of 232). Those downpours cluster in May, June and July, when sump pumps and gutters are tested hardest. The wettest day on record brought 10.16 inches on August 28, 2017. Multi-day storms matter most for basements; the wettest three days on record here totaled 26.36 inches (through August 29, 2017).
Housing
Texas's 232 counties range widely in housing age; Chambers ranks 217th, with 20% of its homes built before 1980.
Since 2000 the county has added enough housing that 58% of homes are that new. Modern PEX and copper rarely fail on their own; the leaks come from connections, appliances and storms.
The 1980s and 1990s account for 23% of the county's homes. If yours is from those decades, look under the sinks and at the water heater for gray plastic pipe stamped PB, which is polybutylene and leak-prone.
14% of homes are manufactured or mobile homes, close to the Texas county median of 13.4%. 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.
Beyond water
Summer nights that don't drop below 65°F, a good marker of humid air, come about 185 times a year here, above the Texas county median of 129. 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 Chambers County's occupied homes: 32% utility gas, 60% electric, 7% propane and under 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 Chambers County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Harris and Liberty get more pipe-freeze nights than Chambers. All of its neighbors see more heavy-rain days. Jefferson County has the oldest housing nearby, with 54% of homes built before 1980.
By the numbers
| Factor | Chambers | Texas median | Rank |
|---|---|---|---|
| Homes built before 1960 | 7.1% | 20% | 209 of 232 |
| Homes built before 1980 | 20% | 46% | 217 of 232 |
| Homes built 2000 or later | 58% | 26% | 8 of 232 |
| Manufactured or mobile homes | 14% | 13% | 105 of 232 |
| Vacant homes | 9% | 17% | 197 of 232 |
| Wood or propane heat | 7.3% | 6.5% | 108 of 232 |
| Nights at 20°F or colder | 0/yr | 3/yr | 205 of 232 |
| Days with 1 inch+ of rain | 15/yr | 7.8/yr | 28 of 232 |
| Freeze-thaw days | 3/yr | 27/yr | 218 of 232 |
| Muggy nights (65°F+) | 185/yr | 129/yr | 22 of 232 |
Rank 1 is the highest value. Bars run from the lowest to the highest Texas county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Chambers County: freezing from midwinter, heavy rain in May, June 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