Check on a contractor’s license status
City of Los Angeles Dept. of Building and Safety (LADBS)
LADBS Home Owners Guide to Additions and Remodeling (PDF)
LADBS Plan Check and Permit Fees Estimation
LADBS Priority Plan Check for Green Building Projects
LADBS Report a Property Violation
Los Angeles County Building Codes and Permits
Los Angeles County Building Permit Offices
Orange County Building and Safety
O.C. Permit Fees
San Bernardino City Building and Safety Division
San Bernardino County Guidelines for Residential Construction (PDF)
Riverside County Dept. of Building and Safety
Ventura County Building and Safety
Ventura County Building Permits
Ventura County Permit Fee Schedule