Bullitt County, Kentucky · Shepherdsville
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With 6% of homes built before 1960 and about 19 hard-freeze nights a year, frozen and split pipes are a leading winter risk in the county.
February brings the most downpours to Bullitt County, part of 13.2 heavy-rain days a year. Check the sump first.
Backups often follow heavy rain, which Bullitt County gets about 13.2 days a year, when storm water overloads sewer mains and pushes up through the lowest drain in the house.
In Bullitt County, 4.07 inches fell on the wettest day of the 2015–2024 record. Storms like that, and ice dams in snowy winters, cause most roof leaks.
7% of occupied homes in Bullitt County heat mainly with wood or propane, below the Kentucky county median of 12.6%.
Muggy summer nights, lows of 65°F or more, come about 71 times a year in Bullitt County. Mold after a leak spreads fastest from June through August.
Local risk profile
About 84,027 people live in Bullitt County, 297 square miles in central Kentucky, in roughly 33,608 homes. Besides Shepherdsville, the county seat, the biggest communities are Mount Washington, Hillview and Pioneer Village. Much of its housing is recent, with a median build year of 1993.
42/100 Water Damage Risk Index: Moderate Bullitt County ranks 88 of 120 Kentucky counties. See the statewide ranking and method.The three factors where Bullitt County ranks highest compared with other Kentucky counties.
Pipe-freeze risk in Bullitt County sits near the middle of the state. In the 2015–2024 record the county logged about 19 nights a year at or below 20°F (66th of 120) and 79 below freezing. Twenty degrees is roughly where uninsulated pipes start to freeze.
On February 20, 2015 the low fell to about -11°F, and in the stretch ending February 2021 the county went 9 days in a row below freezing. Leaks from split pipes typically appear the day the thaw arrives.
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 9.
Heavy rain is a bigger factor here than in most of Kentucky. About 13.2 days a year bring an inch or more (35th of 120), most often in February, out of 53.7 inches of total precipitation. On September 2, 2017, 4.07 inches fell in a single day. The worst three-day stretch dropped 4.99 inches, ending September 3, 2017, the kind of soaking that overwhelms sump pumps and storm sewers.
Freeze-thaw days, below freezing overnight and above it by afternoon, come about 70 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
Kentucky's 120 counties range widely in housing age; Bullitt ranks 108th, with 32% of its homes built before 1980.
Growth since 2000 added 35% 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.
The 1980s and 1990s account for 33% 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.
Here 7% of housing is manufactured homes. Check the skirting and the heat tape on the main water line every fall, because that one exposed line is what freezes.
Beyond water
Summer nights that don't drop below 65°F, a good marker of humid air, come about 71 times a year here, above the Kentucky county median of 59. 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 expectMain heating fuel in Bullitt County's occupied homes: 43% utility gas, 49% electric, 6% 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 Bullitt County. The largest communities by population:
Population from ACS 2020-2024 5-year estimates. Townships and unincorporated areas are covered too.
Nearby
Hardin, Nelson and Spencer get more pipe-freeze nights than Bullitt. Jefferson County has the oldest housing nearby, with 62% of homes built before 1980.
By the numbers
| Factor | Bullitt | Kentucky median | Rank |
|---|---|---|---|
| Homes built before 1960 | 6.4% | 18% | 120 of 120 |
| Homes built before 1980 | 32% | 44% | 108 of 120 |
| Homes built 2000 or later | 35% | 25% | 11 of 120 |
| Manufactured or mobile homes | 7.4% | 19% | 99 of 120 |
| Vacant homes | 5.5% | 13% | 115 of 120 |
| Wood or propane heat | 6.9% | 13% | 92 of 120 |
| Nights at 20°F or colder | 19/yr | 20/yr | 66 of 120 |
| Days with 1 inch+ of rain | 13/yr | 12/yr | 35 of 120 |
| Freeze-thaw days | 70/yr | 73/yr | 80 of 120 |
| Muggy nights (65°F+) | 71/yr | 59/yr | 28 of 120 |
Rank 1 is the highest value. Bars run from the lowest to the highest Kentucky county; the tick marks the median; orange means higher water damage risk than the median, green means lower.
Questions
Peak risk months in Bullitt County: freezing from December to February, heavy rain in February, March and June.
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