License holder summary

DOUGLASS INSULATION CO INC is a Contractor licensed to practice in California. The address on file for DOUGLASS INSULATION CO INC is 3990 RALSTON AVE, HILLSBOROUGH, CA 94010. This contractor license is not current. The license was granted 12/26/1962 and expired on 11/30/1996.

Department of Consumer Affairs

California State License Board

DOUGLASS INSULATION CO INC
Contractor
License number
214331
Date granted
12/26/1962
Date expires
11/30/1996
Class
Contractor
Status
Canceled
Address
3990 RALSTON AVE, HILLSBOROUGH, CA 94010
contractorscalifornia.org
ID 31555590
LAST UPDATED 2026-04-08 01:52:57 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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