Department of Consumer Affairs
California State License Board
CONCEPT DEVELOPMENT
Contractor
License number
506005
Date granted
02/23/1987
Date expires
02/28/1993
Class
Contractor
Status
Expired
Address
3871 PIEDMONT AVE, OAKLAND, CA 94611
contractorscalifornia.org
ID 31500326
LAST UPDATED 2026-05-13 19:25:00 UTC
LAST UPDATED 2026-05-13 19:25:00 UTC
This website is unaffiliated with the California State License Board. Please verify all information directly with the relevant official government authority.