City of Fullerton
Business Registration Office
303 W. Commonwealth Avenue
Fullerton, CA 92832
714-738-6531 or 714-738.5326
BusinessRegistration@cityoffullerton.com

Hours of Operation:
Monday - Thursday, 7:30 a.m. to 5:00 p.m.
Fridays, 7:30 a.m. to 4:00 p.m.
We are closed every other Friday.