Building permits · May 2026
Hillsborough County Building Permits
Monthly residential building permits for Hillsborough County, New Hampshire — 51 units authorized in May 2026, 626 over the last 12 months — latest month -10.5% vs. a year earlier.
51
Units (latest month)
34
Single-family units
15
Multifamily (5+) units
$16,111,266
Reported value
Trailing 12 months: 626 units permitted · latest month -10.5% vs. a year earlier.
| Structure type | Units | Share |
|---|---|---|
| Single-family (1-unit) | 34 | 66.7% |
| 2-unit structures | 2 | 3.9% |
| 3–4 unit structures | 0 | 0.0% |
| Multifamily (5+ units) | 15 | 29.4% |
| All units | 51 | 100% |
Hillsborough County building permits — FAQ
How many building permits were issued in Hillsborough County?+
51 new residential units were authorized in Hillsborough County, New Hampshire in May 2026, and 626 over the trailing 12 months (U.S. Census Building Permits Survey).
What share of Hillsborough County permits are multifamily?+
33.3% of Hillsborough County's May 2026 permitted units were in multifamily (2+ unit) buildings.
Where does this data come from?+
Figures come from the U.S. Census Bureau's Building Permits Survey, a monthly census of permit-issuing jurisdictions. PUMSdata is independent and not affiliated with the Census Bureau.