Home repair costs from real building permits.
Not averages, not quotes. The declared value on 12,650 permits filed in Chicago, San Francisco and Seattle, Jan 2025 – Nov 2026.
Data updated November 11, 2026
Typical cost by job
Median permit value · Jan 2025 – Nov 2026
- Roof replacement7,470 permits · 3 cities$19,101
- Window replacement1,232 permits · 3 cities$1,808 / window
- Water heater replacement142 permits · Chicago$4,050
- Garage door replacement79 permits · San Francisco$3,000
- HVAC replacement74 permits · 2 cities$13,344
- Foundation repair204 permits · 2 cities$24,155
- Siding replacement830 permits · San Francisco$15,000
- Remodelingguide onlyno permit data
- Guttersguide onlyno permit data
- Flooringguide onlyno permit data
How we count
- 12,650
- permits in the index
- 3
- cities, public records
We take the 25th, 50th and 75th percentile of what applicants declared to the city. Every figure shows how many permits it comes from and when they were issued. No sponsored figures.
Read the methodology