Montgomery County, North Carolina · Troy
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Pipes freeze in Montgomery County on about 3 nights a year, mostly January. Older homes, 20% of the stock here, are most at risk.
September brings the most downpours to Montgomery County, part of 11.1 heavy-rain days a year. Check the sump first.
Sewage backups in Montgomery County spike on heavy-rain days, about 11.1 a year, when sewer mains fill up and water finds the lowest drain.
Montgomery County's wettest day in the 2015–2024 record brought 5.56 inches, and about 43 freeze-thaw days a year mean ice dams in some winters.
14% of occupied homes in Montgomery County heat mainly with wood or propane, above the North Carolina county median of 11.7%.
Muggy summer nights, lows of 65°F or more, come about 95 times a year in Montgomery County. Mold after a leak spreads fastest from June through August.
Local risk profile
Montgomery County covers 492 square miles of central North Carolina, with about 26,007 residents and 14,998 homes. Troy is the county seat; Biscoe, Star and Mount Gilead are the next largest communities. The county's median home was built in 1984.
44/100 Water Damage Risk Index: Moderate Montgomery County ranks 70 of 100 North Carolina counties. See the statewide ranking and method.The three factors where Montgomery County ranks highest compared with other North Carolina counties.
Montgomery County is milder than most of North Carolina, but not mild enough to skip winterizing. It averaged 44 freezing nights a year over 2015–2024, 3 of them at 20°F or colder, cold enough for pipes in outside walls and crawl spaces to freeze. Among 100 North Carolina counties that's 74th.
The longest cold spell was straight 4 days without the temperature rising above freezing, ending in January 2018. The coldest night reached about 7°F on January 7, 2018. Burst pipes usually show up when a spell like that breaks and the ice thaws.
Most freezing nights fall from January, peaking in January. Disconnect garden hoses and shut off outdoor spigots before the first hard frost, and keep the heat at 55°F or higher if you'll be away.
On average the first fall freeze arrives around Nov 12 and the last spring freeze around Mar 18.
Rainfall is about average for North Carolina. The county gets about 51.2 inches of rain and melted snow a year, with 11.1 days of an inch or more (60th of 100). Those downpours cluster in April, September and October, when sump pumps and gutters are tested hardest. The wettest day on record brought 5.56 inches on September 17, 2018. Multi-day storms matter most for basements; the wettest three days on record here totaled 12.54 inches (through September 17, 2018).
Freeze-thaw days, below freezing overnight and above it by afternoon, come about 43 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
North Carolina's 100 counties range widely in housing age; Montgomery ranks 39th, with 44% of its homes built before 1980.
Housing age is mixed: 20% of homes are pre-1960 and 24% are 2000 or newer. Ask any plumber which era your house is from and you'll know which failures to watch for.
The 1980s and 1990s account for 32% 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.
Manufactured and mobile homes make up 29% 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.
29% of homes were vacant at survey time. A leak in an empty rental or seasonal house can run for days before anyone notices, which is why those losses tend to be larger.
Beyond water
Montgomery County averages 95 warm, muggy nights a year (lows of 65°F or more) and gets the most rain in September. 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 expectBy main heating fuel, Montgomery County homes break down as 4% utility gas, 77% electric, 11% propane and 2% wood. Wood heat is more common here than in most North Carolina counties. Heating equipment is one of the leading causes of home fires nationally, and the NFPA recommends having chimneys and vents inspected every year.
Fire and smoke cleanup: first stepsCoverage
Calls connect to restoration companies that work across Montgomery County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Davidson, Randolph and Stanly get more pipe-freeze nights than Montgomery. It also has the most heavy-rain days in its area. Richmond County has the oldest housing nearby, with 57% of homes built before 1980.
By the numbers
| Factor | Montgomery | North Carolina median | Rank |
|---|---|---|---|
| Homes built before 1960 | 20% | 18% | 35 of 100 |
| Homes built before 1980 | 44% | 41% | 39 of 100 |
| Homes built 2000 or later | 24% | 26% | 62 of 100 |
| Manufactured or mobile homes | 29% | 17% | 12 of 100 |
| Vacant homes | 29% | 13% | 17 of 100 |
| Wood or propane heat | 14% | 12% | 45 of 100 |
| Nights at 20°F or colder | 3/yr | 5/yr | 74 of 100 |
| Days with 1 inch+ of rain | 11/yr | 12/yr | 60 of 100 |
| Freeze-thaw days | 43/yr | 57/yr | 71 of 100 |
| Muggy nights (65°F+) | 95/yr | 89/yr | 40 of 100 |
Rank 1 is the highest value. Bars run from the lowest to the highest North Carolina county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Montgomery County: freezing from January, heavy rain in April, September and October.
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