Randall County, Texas · Canyon
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Pipes freeze in Randall County on about 21 nights a year, mostly December to February. Older homes, 13% of the stock here, are most at risk.
Basements flood here mostly in June. Randall County averages 3.6 days a year with an inch of rain or more.
Sewage backups in Randall County spike on heavy-rain days, about 3.6 a year, when sewer mains fill up and water finds the lowest drain.
Roof leaks here come from summer downpours and, with about 88 freeze-thaw days a year, from winter ice dams. Most show up as ceiling stains in the room below.
2% of occupied homes in Randall County heat mainly with wood or propane, below the Texas county median of 6.5%.
With 54 muggy nights a year, mold in Randall County can appear within days of a leak. Dry first, then clean.
Local risk profile
With 61,677 homes and around 146,070 residents, Randall County is 913 square miles of northern Texas. Besides Canyon, the county seat, the biggest communities are Rockwell Place, Lake Tanglewood and Timbercreek Canyon. Much of its housing is recent, with a median build year of 1986.
41/100 Water Damage Risk Index: Moderate Randall County ranks 184 of 232 Texas counties. See the statewide ranking and method.The three factors where Randall County ranks highest compared with other Texas counties.
Randall County gets more hard-freeze nights than most of Texas. From 2015–2024 it averaged 21 nights a year at 20°F or colder, the range where pipes in exterior walls, crawl spaces and unheated garages freeze, and 95 nights at or below 32°F. That ranks 13th of 232 counties.
Cold snaps are the real risk. The worst in the record lasted 7 days below freezing (ending February 2021), and the low bottomed out near -7°F on February 15, 2021.
The freeze season here runs December to February, with January the coldest. If you travel then, leave the thermostat at 55°F or above and open sink cabinets on outside walls.
Freezing nights typically start around Oct 31 and end around Apr 4.
Randall gets fewer downpours than most Texas counties, but they still fill basements. The county gets about 19.3 inches of rain and melted snow a year, with 3.6 days of an inch or more (193rd of 232). Those downpours cluster in May, June and July, when sump pumps and gutters are tested hardest. The wettest day on record brought 3.16 inches on July 30, 2022. The worst three-day stretch dropped 4.7 inches, ending October 4, 2019, the kind of soaking that overwhelms sump pumps and storm sewers.
About 88 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
Texas's 232 counties range widely in housing age; Randall ranks 141st, with 42% of its homes built before 1980.
Since 2000 the county has added enough housing that 36% of homes are that new. Modern PEX and copper rarely fail on their own; the leaks come from connections, appliances and storms.
About 22% 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 7% 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.
Renters occupy 32% of homes. If you rent, the building is usually the landlord's to repair, but your belongings are only covered by renters insurance.
Beyond water
About 54 nights a year in Randall County stay at 65°F or warmer, a sign of muggy summer air (222nd of 232 counties). May 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 expectHeating fuel matters for fire risk. In Randall County it's 57% utility gas, 40% electric, 2% propane and under 1% 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 Randall County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Castro and Deaf Smith get more pipe-freeze nights than Randall. Swisher County has the oldest housing nearby, with 83% of homes built before 1980.
By the numbers
| Factor | Randall | Texas median | Rank |
|---|---|---|---|
| Homes built before 1960 | 13% | 20% | 167 of 232 |
| Homes built before 1980 | 42% | 46% | 141 of 232 |
| Homes built 2000 or later | 36% | 26% | 54 of 232 |
| Manufactured or mobile homes | 7% | 13% | 191 of 232 |
| Vacant homes | 7.9% | 17% | 205 of 232 |
| Wood or propane heat | 1.7% | 6.5% | 216 of 232 |
| Nights at 20°F or colder | 21/yr | 3/yr | 13 of 232 |
| Days with 1 inch+ of rain | 3.6/yr | 7.8/yr | 193 of 232 |
| Freeze-thaw days | 88/yr | 27/yr | 16 of 232 |
| Muggy nights (65°F+) | 54/yr | 129/yr | 222 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 Randall County: freezing from December to February, 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