ADU CITIES Contractor Directory

Brown Brothers Backflow Testing Inc

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

☎ Call (626) 858-9696Verify this license at CSLB
CSLB license#1031850
ClassificationsC-36 — Plumbing
Office of recordP O Box 3027
Covina, CA 91722
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(626) 858-9696
Contractor bond$25,000 — Atlantic Specialty Insurance Company
Workers' comp (CSLB record)Exempt
Business typeCorporation
License issuedOctober 12, 2017
License expiresOctober 31, 2027

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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.