Permit stats · NYC

Alt-1 permits in NYC: real approval times

Alteration Type 1 (major, change of use/occupancy) filings in NYC, measured across every DOB filing on record. These are the real numbers, not the published targets.

220,021
filings on record
65 days
median to approval
341 days
worst case (p90)
13.5%
of all filings disapproved
28.5%
professionally certified
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Methodology: computed from DOB Job Application Filings (ic3t-wcy2) via NYC Open Data, refreshed with each data build. Median and p90 measure pre-filing date to approval on approved jobs. Full methodology on the Intelligence page.

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