ADU CITIES Contractor Directory

American Pipeline Services

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

CSLB license#987779
ClassificationsA — General Engineering · C-20 — Warm-Air Heating, Ventilating and Air-Conditioning · C-36 — Plumbing · C-55 — Water Conditioning · HAZ — Hazardous Substance Removal
Office of recordP O Box 1931
Monrovia, CA 91017
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(877) 358-8412
Contractor bond$25,000 — Merchants Bonding Company (mutual)
Workers' comp (CSLB record)Workers' Compensation Insurance — Benchmark Insurance Company
Business typeCorporation
License issuedOctober 18, 2013
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.