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Building Permit Index · City Profile
Portsmouth, NHbuilding permit approval score and national rank
National Rank
#88 of 500
Approval score
Composite Score
83 of 100
Higher = faster, more consistent approvals
Approval Speed
88
0-100, higher = faster
Approval-Quality Signal
92
0-100 tags score
Reporting Coverage
50
0-100, data completeness
Portsmouth vs. New Hampshire average
Portsmouth approval speed
88
0-100, this city
New Hampshire state average
98
0-100, commercial permits statewide
Both scores use the same 0-100 scale, so they compare directly. See the full state permitting table for every state.
Where this data comes from
Portsmouth's approval score is built from municipal permit records and reporting completeness across 500 tracked US cities, refreshed quarterly. Read the full methodology for how the composite is calculated.