# Counties in Maryland by housing units authorized by building permits, 2025

All 24 values come from U.S. Census Bureau for 2025, so the places are comparable.

- Indicator id: `building_permit_units`
- Unit: count
- Definition: Annual number of new privately owned housing units authorized by building permits, from the US Census Bureau Building Permits Survey.
- Source: U.S. Census Bureau, Building Permits Survey: final annual county estimates of new privately owned housing units authorized, including imputation (https://www2.census.gov/econ/bps/County/co2025a.txt)
- Retrieved: 2026-10-10
- Citation: U.S. Census Bureau. Building Permits Survey: final annual county estimates of new privately owned housing units authorized, including imputation. https://www2.census.gov/econ/bps/County/co2025a.txt. Retrieved 2026-10-10.
- Web page: https://invokely.ai/rankings/building-permit-housing-units/maryland-counties
- CSV: https://invokely.ai/download/rankings/building-permit-housing-units/maryland-counties.csv

| Rank | Place | count |
|---:|---|---:|
| 1 | Prince George's County | 2,090 |
| 2 | Anne Arundel County | 1,844 |
| 3 | Baltimore County | 1,531 |
| 4 | Montgomery County | 1,411 |
| 5 | Frederick County | 1,168 |
| 6 | Charles County | 935 |
| 7 | Howard County | 728 |
| 8 | Harford County | 715 |
| 9 | Baltimore city | 543 |
| 10 | Washington County | 354 |
| 11 | Queen Anne's County | 285 |
| 12 | St. Mary's County | 282 |
| 13 | Worcester County | 242 |
| 14 | Talbot County | 198 |
| 15 | Wicomico County | 170 |
| 16 | Calvert County | 157 |
| 17 | Carroll County | 153 |
| 18 | Garrett County | 148 |
| 19 | Cecil County | 142 |
| 20 | Caroline County | 75 |
| 21 | Dorchester County | 64 |
| 22 | Kent County | 53 |
| 23 | Allegany County | 35 |
| 23 | Somerset County | 35 |
