Iredell County, North Carolina · Statesville
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Pipes freeze in Iredell County on about 8 nights a year, mostly December to February. Older homes, 12% of the stock here, are most at risk.
May brings the most downpours to Iredell County, part of 10.1 heavy-rain days a year. Check the sump first.
Sewage backups in Iredell County spike on heavy-rain days, about 10.1 a year, when sewer mains fill up and water finds the lowest drain.
Iredell County's wettest day in the 2015–2024 record brought 3.51 inches, and about 66 freeze-thaw days a year mean ice dams in some winters.
5% of occupied homes in Iredell County heat mainly with wood or propane, below the North Carolina county median of 11.7%.
Muggy summer nights, lows of 65°F or more, come about 75 times a year in Iredell County. Mold after a leak spreads fastest from June through August.
Local risk profile
With 84,199 homes and around 196,544 residents, Iredell County is 574 square miles of northern North Carolina. Besides Statesville, the county seat, the biggest communities are Mooresville, Lake Norman of Iredell and Troutman. Much of its housing is recent, with a median build year of 1997.
36/100 Water Damage Risk Index: Moderate Iredell County ranks 86 of 100 North Carolina counties. See the statewide ranking and method.The three factors where Iredell County ranks highest compared with other North Carolina counties.
Iredell is on the colder side of North Carolina for pipes. From 2015–2024 it averaged 8 nights a year at 20°F or colder, the range where pipes in exterior walls, crawl spaces and unheated garages freeze, and 69 nights at or below 32°F. That ranks 28th of 100 counties.
The longest cold spell was straight 3 days without the temperature rising above freezing, ending in January 2017. The coldest night reached about 3°F on February 20, 2015. Burst pipes usually show up when a spell like that breaks and the ice thaws.
Most freezing nights fall from December to February, 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 5 and the last spring freeze around Apr 2.
Iredell gets fewer downpours than most North Carolina counties, but they still fill basements. Of roughly 49.1 inches of yearly precipitation, the damage comes from the 10.1 days a year with an inch or more, ranked 87th of 100. May, September and October see the most. The single wettest day in the record: 3.51 inches, February 7, 2020. Multi-day storms matter most for basements; the wettest three days on record here totaled 4.98 inches (through February 7, 2020).
The temperature crosses 32°F in both directions on roughly 66 days a year. Each cycle melts and refreezes water at roof edges and in foundation cracks, which is how ice dams and basement seepage get started.
Housing
27% of homes in Iredell County predate 1980, below the North Carolina county median of 41.2%, which ranks 86th of North Carolina's 100 counties.
Growth since 2000 added 44% of today's homes. In houses that new, the weak points are washing machine hoses, ice maker lines, water heaters and sump pumps rather than the pipes in the walls.
30% date from 1980 to 1999, the window when polybutylene, a gray flexible plastic supply pipe, was used in some homes. It's prone to leaks at the fittings, so it's worth checking for in a house from those years.
12% of homes are manufactured or mobile homes, below the North Carolina county median of 17.4%. 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 75 times a year here, below the North Carolina county median of 88.5. 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, Iredell County homes break down as 30% utility gas, 63% electric, 4% propane and 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 Iredell County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Alexander, Wilkes and Yadkin get more pipe-freeze nights than Iredell. Wilkes County has the oldest housing nearby, with 51% of homes built before 1980.
By the numbers
| Factor | Iredell | North Carolina median | Rank |
|---|---|---|---|
| Homes built before 1960 | 12% | 18% | 75 of 100 |
| Homes built before 1980 | 27% | 41% | 86 of 100 |
| Homes built 2000 or later | 44% | 26% | 15 of 100 |
| Manufactured or mobile homes | 12% | 17% | 76 of 100 |
| Vacant homes | 9.3% | 13% | 80 of 100 |
| Wood or propane heat | 5% | 12% | 87 of 100 |
| Nights at 20°F or colder | 8/yr | 5/yr | 28 of 100 |
| Days with 1 inch+ of rain | 10/yr | 12/yr | 87 of 100 |
| Freeze-thaw days | 66/yr | 57/yr | 31 of 100 |
| Muggy nights (65°F+) | 75/yr | 89/yr | 71 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 Iredell County: freezing from December to February, heavy rain in May, 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