Counties
Water damage help by Maryland county
Each county page combines Census housing data with ten years of daily NOAA weather data, so the advice fits the homes and winters where you live.
| County | Seat | Homes | Built pre-1980 | Freeze nights ≤ 20°F | 1"+ rain days |
|---|---|---|---|---|---|
| Allegany | Cumberland | 32,720 | 77% | 28 | 6.5 |
| Anne Arundel | Annapolis | 236,262 | 45% | 10 | 9.3 |
| Baltimore | Towson | 350,821 | 59% | 17 | 10.6 |
| Calvert | Prince Frederick | 36,119 | 32% | 10 | 10.2 |
| Caroline | Denton | 13,531 | 48% | 12 | 9.3 |
| Carroll | Westminster | 66,768 | 44% | 21 | 9 |
| Cecil | Elkton | 44,355 | 40% | 16 | 9.6 |
| Charles | La Plata | 63,813 | 28% | 10 | 9.4 |
| Dorchester | Cambridge | 16,433 | 57% | 10 | 9.7 |
| Frederick | Frederick | 108,924 | 35% | 19 | 8.3 |
| Garrett | Oakland | 18,642 | 48% | 42 | 5.6 |
| Harford | Bel Air | 105,468 | 40% | 18 | 9.5 |
| Howard | Ellicott City | 125,286 | 29% | 17 | 9.7 |
| Kent | Chestertown | 10,363 | 52% | 13 | 7.8 |
| Montgomery | Rockville | 406,531 | 49% | 15 | 8.4 |
| Prince George's | Upper Marlboro | 365,506 | 54% | 12 | 9.5 |
| Queen Anne's | Centreville | 22,038 | 33% | 12 | 8.6 |
| Somerset | Princess Anne | 10,928 | 42% | 8 | 9.5 |
| St. Mary's | Leonardtown | 46,385 | 30% | 9 | 9.5 |
| Talbot | Easton | 19,720 | 45% | 10 | 9.5 |
| Washington | Hagerstown | 64,145 | 57% | 22 | 6.7 |
| Wicomico | Salisbury | 44,127 | 44% | 10 | 9.3 |
| Worcester | Snow Hill | 56,867 | 37% | 9 | 9.1 |
Housing: ACS 2020-2024. Weather: NOAA nClimGrid-Daily, 2015–2024, per year.
Other Maryland counties
We're adding these. Until then, the call line still works anywhere in Maryland, and the nearest county guide is linked.