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New Construction in Portsmouth
Residential building permits — U.S. Census Bureau Building Permits Survey.
Housing units authorized (2025)
556
Single-family
25
Multifamily
531
Construction value (2025)
$132M
| Year | Buildings | Units | Single-family | Multifamily | Value |
|---|---|---|---|---|---|
| 2025 | 42 | 556 | 25 | 531 | $132M |
Source: U.S. Census Bureau, Building Permits Survey. Counts are permits issued by the local permit office, which precede — and don't always become — actual construction. A partial-year row is marked with the months reported.