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

All 14 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/massachusetts-counties
- CSV: https://invokely.ai/download/rankings/building-permit-housing-units/massachusetts-counties.csv

| Rank | Place | count |
|---:|---|---:|
| 1 | Middlesex County | 2,341 |
| 2 | Suffolk County | 2,338 |
| 3 | Worcester County | 1,690 |
| 4 | Norfolk County | 1,194 |
| 5 | Bristol County | 1,156 |
| 6 | Essex County | 942 |
| 7 | Plymouth County | 931 |
| 8 | Barnstable County | 630 |
| 9 | Hampden County | 318 |
| 10 | Hampshire County | 291 |
| 11 | Nantucket County | 250 |
| 12 | Dukes County | 183 |
| 13 | Berkshire County | 149 |
| 14 | Franklin County | 64 |