ADU CITIES Contractor Directory

Upgrade Drain & Plumbing

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

CSLB license#865670
ClassificationsC-36 — Plumbing
Office of record7649 Allengrove Street
Downey, CA 90240
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(562) 927-7494
Contractor bond$25,000 — Western Surety Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedOctober 12, 2005
License expiresOctober 31, 2027

Is this your business? Claim this listing to enhance it with your website, photos, and project details.

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.