Lake County, Ohio · Painesville
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With 32% of homes built before 1960 and about 30 hard-freeze nights a year, frozen and split pipes are a leading winter risk in the county.
Heavy rain days of an inch or more come about 4.6 times a year here, most often in September. A sump pump that hasn't run since last season is a common weak point.
32% 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 Lake County, 2.13 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
2% of occupied homes in Lake County heat mainly with wood or propane, below the Ohio county median of 15.9%.
With 38 muggy nights a year, mold in Lake County can appear within days of a leak. Dry first, then clean.
Local risk profile
About 232,216 people live in Lake County, 229 square miles in northeast Ohio, in roughly 106,331 homes. The county seat is Painesville, and Mentor, Willoughby and Eastlake round out the largest towns. The county's median home was built in 1972.
38/100 Water Damage Risk Index: Moderate Lake County ranks 73 of 88 Ohio counties. See the statewide ranking and method.The three factors where Lake County ranks highest compared with other Ohio counties.
For frozen pipes, Lake County is a typical Ohio county, which is still plenty. From 2015–2024 it averaged 30 nights a year at 20°F or colder, the range where pipes in exterior walls, crawl spaces and unheated garages freeze, and 98 nights at or below 32°F. That ranks 49th of 88 counties.
The longest cold spell was straight 19 days without the temperature rising above freezing, ending in March 2015. The coldest night reached about -20°F on February 20, 2015. Burst pipes usually show up when a spell like that breaks and the ice thaws.
The freeze season here runs December to March, with January the coldest. If you travel then, leave the thermostat at 55°F or above and open sink cabinets on outside walls.
On average the first fall freeze arrives around Nov 13 and the last spring freeze around Apr 23.
Lake gets fewer downpours than most Ohio counties, but they still fill basements. The county gets about 40.9 inches of rain and melted snow a year, with 4.6 days of an inch or more (68th of 88). Those downpours cluster in August, September and November, when sump pumps and gutters are tested hardest. The wettest day on record brought 2.13 inches on August 24, 2023. Multi-day storms matter most for basements; the wettest three days on record here totaled 2.86 inches (through August 26, 2023).
Freeze-thaw days, below freezing overnight and above it by afternoon, come about 71 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
Roughly 63% of the county's housing was built before 1980. That puts Lake near the middle of Ohio's 88 counties.
Housing age is mixed: 32% of homes are pre-1960 and 15% 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 22% 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.
Beyond water
Summer nights that don't drop below 65°F, a good marker of humid air, come about 38 times a year here, close to the Ohio county median of 35. 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 Lake County's occupied homes: 80% utility gas, 16% electric, 1% 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 Lake County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Ashtabula and Geauga get more pipe-freeze nights than Lake. Cuyahoga County has the oldest housing nearby, with 80% of homes built before 1980.
By the numbers
| Factor | Lake | Ohio median | Rank |
|---|---|---|---|
| Homes built before 1960 | 32% | 37% | 60 of 88 |
| Homes built before 1980 | 63% | 61% | 38 of 88 |
| Homes built 2000 or later | 15% | 17% | 52 of 88 |
| Manufactured or mobile homes | 1.9% | 5.9% | 77 of 88 |
| Vacant homes | 4.9% | 8.4% | 80 of 88 |
| Wood or propane heat | 1.7% | 16% | 86 of 88 |
| Nights at 20°F or colder | 30/yr | 31/yr | 49 of 88 |
| Days with 1 inch+ of rain | 4.6/yr | 5.7/yr | 68 of 88 |
| Freeze-thaw days | 71/yr | 82/yr | 85 of 88 |
| Muggy nights (65°F+) | 38/yr | 35/yr | 28 of 88 |
Rank 1 is the highest value. Bars run from the lowest to the highest Ohio county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Lake County: freezing from December to March, heavy rain in August, September and November.
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