Illinois
Basement waterproofing and foundation repair in Illinois
Local cost ranges and contractors for 16 Illinois cities, each with the real soil, water-table, and climate data we have gathered for it, plus verified permit rules where we have them.
Cities covered
16
Median water table
~2.4 ft
seasonal high, 16 rated
Freeze-thaw / yr
66–81
ERA5 range
Verified permit rules
4
of 16 cities
Climate ERA5 via Open-Meteo; water table USDA NRCS SSURGO (modeled seasonal high). Water-table figures cover the 16 rated cities.
| City | Water table rises to | Freeze-thaw / yr | Permit |
|---|---|---|---|
| Arlington Heights | ~2.5 ft · above floor | 77 | , |
| Aurora | ~1.5 ft · above floor | 81 | Verified |
| Bloomington | ~1.5 ft · above floor | 74 | , |
| Champaign | ~0.5 ft · above floor | 74 | , |
| Chicago | ~2.8 ft · above floor | 68 | Verified |
| Cicero | ~2.8 ft · above floor | 78 | , |
| Decatur | ~2.4 ft · above floor | 72 | , |
| Elgin | ~2.6 ft · above floor | 78 | , |
| Evanston | ~1.5 ft · above floor | 69 | , |
| Joliet | ~2.3 ft · above floor | 80 | , |
| Naperville | ~2.6 ft · above floor | 81 | Verified |
| Peoria | ~5 ft · above floor | 73 | , |
| Rockford | ~1.5 ft · above floor | 80 | Verified |
| Schaumburg | ~2.3 ft · above floor | 79 | , |
| Springfield | ~5 ft · above floor | 73 | , |
| Waukegan | ~2.3 ft · above floor | 66 | , |