📢 2026 Update: New California ADU laws are now in effect. Read the guide →
Trusted by 50,000+ US Homeowners

Know Your Permit Costs
Before You Build

The most accurate database of US municipal permit fees, zoning laws, and processing times. Get exact costs for 19,000+ cities — updated directly from government sources.

19K+
US Cities Covered
50M+
Data Points
Daily
Updates from .gov
100%
Free & Accurate
✨ Simple & Transparent

How PermitEngine Works

We aggregate data directly from 19,000+ US municipal governments to give you the most accurate permit cost information available.

1
🔍

We Scrape Official Sources

Our automated system monitors 19,000+ city and county websites daily, extracting fee schedules directly from official government PDFs and portals.

2
⚙️

We Structure & Verify

Raw data is processed, structured into our database, and cross-verified against multiple sources to ensure 99.8% accuracy before publishing.

3
💡

You Get Instant Answers

Search any US city and get exact permit costs, zoning laws, processing times, and local requirements — all in one place, completely free.

Trusted by Professionals Nationwide

99.8%
Data Accuracy
24h
Update Frequency
50K+
Monthly Users
4.9★
User Rating

Ready to Start Your Project?

Get exact permit costs for your city in seconds. No signup required. 100% free.

✓ No credit card required  •  ✓ 100% free forever  •  ✓ Updated daily