ADU CITIES Contractor Directory

Advance Plumbing Company

Also listed as: Strelic Plumbing Inc

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

CSLB license#272557
ClassificationsC-34 — Pipeline · C-36 — Plumbing · C-4 — Boiler, Hot-Water Heating and Steam Fitting
Office of record9423 Bond Ave
El Cajon, CA 92021
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(619) 447-2770
Contractor bond$25,000 — Nationwide Mutual Insurance Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Oak River Insurance Company
Business typeCorporation
License issuedNovember 24, 1971
License expiresApril 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.