New York City Building Permit Timeline
New York City permit approvals average around 2.5 months at the median, but the wide spread between P50 and P90 reflects the complexity and unpredictability of the NYC permitting process.
Based on 193K+ real permits
These timelines are calculated from New York City's public permit data, not estimates. Every number comes from actual filed-to-approved durations in the city's open data portal.
Key Insights
Median approval of 79 days — about 2.5 months
75th percentile nearly doubles to 178 days (6 months)
90th percentile hits 344 days — nearly a year for complex projects
Wide variance reflects the complexity of NYC's multi-agency review process
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Frequently Asked Questions
How long does a building permit take in New York City?
Based on 193K+ historical permits, the median approval time in New York City is 62 days. However, 25% of permits take longer than 165 days, and 10% exceed 358 days.
What affects permit approval time in New York City?
Key factors include permit type (new construction vs. renovation), project complexity, zone/district, filing season, and completeness of the application. Prevesta's reports break down timelines by all these factors for your specific project.
How accurate is this data?
All timelines are computed from New York City's official public permit records — the same data the city uses internally. We calculate duration from filing date to approval/issuance date across 193K+ permits.