Building Permit Cost Calculator
Search 4,668 US cities for state-level permit fee estimates, or run a national estimate below. Always verify with your local permit office before bidding.
BidFlow drafts your next bid from your own past estimates, with every number cited.
Try BidFlow free $99 / mo · 14-day trial · cancel any timePermit fee calculators
Estimate by permit type. Each calculator gives a low/best/high range and a confidence label.
Building permit (hub)
Total permit cost across all categories - the all-in estimate.
Electrical permit
By project valuation. Project-type modifier applied.
Plumbing permit
By fixture count or project valuation.
Mechanical permit
By cooling tonnage or project valuation.
Fire-dept review
Flat fee by project type. Most residential exempt.
Demolition permit
By structure square footage. Permit only.
Impact fees explained
Why we don't auto-estimate them, and how to look yours up.