ADU CITIES Contractor Directory

Co-opp Plumbing

Also listed as: Rader 4 Inc

● Active — license status verified against CSLB public data as of November 6, 2026

☎ Call (661) 589-2350Verify this license at CSLB
CSLB license#813231
ClassificationsC-36 — Plumbing
Office of record136 Allen Rd Ste 100 #1026
Bakersfield, CA 93314
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(661) 589-2350
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Security National Insurance Company
Business typeCorporation
License issuedSeptember 30, 2002
License expiresSeptember 30, 2028

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Data source: CSLB public records as of November 6, 2026. License status can change at any time — verify live at CSLB before signing a contract.