Jasper County, Texas · Jasper
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Jasper County averages 1 night a year at 20°F or colder, mostly midwinter, and 11% of its homes predate 1960.
Heavy rain days of an inch or more come about 17.6 times a year here, most often in May. A sump pump that hasn't run since last season is a common weak point.
11% 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 Jasper County, 7.44 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
4% of occupied homes in Jasper County heat mainly with wood or propane, below the Texas county median of 6.5%.
Muggy summer nights, lows of 65°F or more, come about 144 times a year in Jasper County. Mold after a leak spreads fastest from June through August.
Local risk profile
About 32,727 people live in Jasper County, 939 square miles in eastern Texas, in roughly 16,727 homes. Jasper is the county seat; Buna, Kirbyville and Sam Rayburn are the next largest communities. Much of its housing is recent, with a median build year of 1987.
47/100 Water Damage Risk Index: Elevated Jasper County ranks 145 of 232 Texas counties. See the statewide ranking and method.The three factors where Jasper County ranks highest compared with other Texas counties.
Jasper County is milder than most of Texas, but not mild enough to skip winterizing. From 2015–2024 it averaged 1 night a year at 20°F or colder, the range where pipes in exterior walls, crawl spaces and unheated garages freeze, and 17 nights at or below 32°F. That ranks 159th of 232 counties.
With only about 17 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 10°F, on February 16, 2021.
Heavy rain is a bigger factor here than in most of Texas. The county gets about 63.8 inches of rain and melted snow a year, with 17.6 days of an inch or more (8th of 232). Those downpours cluster in January, May and December, when sump pumps and gutters are tested hardest. The wettest day on record brought 7.44 inches on August 30, 2017. Multi-day storms matter most for basements; the wettest three days on record here totaled 17.36 inches (through August 30, 2017).
Housing
Texas's 232 counties range widely in housing age; Jasper ranks 157th, with 39% of its homes built before 1980.
Older and newer homes sit side by side here: 11% predate 1960 and 27% are from 2000 or later. Corroded pipe is the typical failure in the first group, burst supply hoses in the second.
About 34% 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.
28% of homes are manufactured or mobile homes, above 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
Jasper County averages 144 warm, muggy nights a year (lows of 65°F or more) and gets the most rain in May. Keep indoor humidity under 60%, as the EPA advises, and dry any leak within 24 to 48 hours; in a humid month a wet basement left alone won't dry by itself.
Mold remediation: what to expectBy main heating fuel, Jasper County homes break down as 8% utility gas, 86% electric, 3% propane and 2% wood. Wood heat is 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 Jasper County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Sabine gets more pipe-freeze nights than Jasper. Orange County has the oldest housing nearby, with 46% of homes built before 1980.
By the numbers
| Factor | Jasper | Texas median | Rank |
|---|---|---|---|
| Homes built before 1960 | 11% | 20% | 184 of 232 |
| Homes built before 1980 | 39% | 46% | 157 of 232 |
| Homes built 2000 or later | 27% | 26% | 112 of 232 |
| Manufactured or mobile homes | 28% | 13% | 15 of 232 |
| Vacant homes | 17% | 17% | 107 of 232 |
| Wood or propane heat | 4.3% | 6.5% | 155 of 232 |
| Nights at 20°F or colder | 1/yr | 3/yr | 159 of 232 |
| Days with 1 inch+ of rain | 18/yr | 7.8/yr | 8 of 232 |
| Freeze-thaw days | 17/yr | 27/yr | 160 of 232 |
| Muggy nights (65°F+) | 144/yr | 129/yr | 75 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 Jasper County: freezing from midwinter, heavy rain in January, May 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