Building Code Information

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Building Codes for the City of Crystal Lake

Residential Building Code Amendments

International Building Code Amendments

Electrical Code

Fire Code

Plumbing Code Amendments

Mechanical Code Amendments

Fuel Gas Code


You're always welcome to Crystal Lake
You're always welcome to Crystal Lake.

City of Crystal Lake, Illinois
100 W. Municipal Complex
P.O. Box 597
Crystal Lake, IL 60039-0597
Telephone 815-459-2020
Fax 815-459-2350
Office Hours:
Monday - Friday 8:00 a.m. - 5:00 p.m.