License holder summary

WILLIAM COSTANZO INC is a Contractor licensed to practice in California. The address on file for WILLIAM COSTANZO INC is 3333 WILLOWPASS ROAD, BAY POINT, CA 94565. This contractor license is not current. The license was granted 12/05/1984 and expired on 12/31/1996.

Department of Consumer Affairs

California State License Board

WILLIAM COSTANZO INC
Contractor
License number
466887
Date granted
12/05/1984
Date expires
12/31/1996
Class
Contractor
Status
Expired
Address
3333 WILLOWPASS ROAD, BAY POINT, CA 94565
contractorscalifornia.org
ID 31509480
LAST UPDATED 2026-06-01 20:31:22 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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