License holder summary

KEYSTONE BUILDER is a Contractor licensed to practice in California. The address on file for KEYSTONE BUILDER is 1011 HARTZ WAY #110, DANVILLE, CA 94526. This contractor license is current. The license was granted 05/23/1992 and expired on 05/31/2017.

Department of Consumer Affairs

California State License Board

KEYSTONE BUILDER
Contractor
License number
646014
Date granted
05/23/1992
Date expires
05/31/2017
Class
Contractor
Status
Active
Address
1011 HARTZ WAY #110, DANVILLE, CA 94526
contractorscalifornia.org
ID 19836023
LAST UPDATED 2026-04-21 15:54:53 UTC

This website is unaffiliated with the California State License Board. Please verify all information directly with the relevant official government authority.

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