ADU CITIES Contractor Directory

Core Plumbing

Also listed as: Wayne Calvin Enterprises Inc

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

☎ Call (858) 538-6025Verify this license at CSLB
CSLB license#866264
ClassificationsC-36 — Plumbing
Office of record7292 Opportunity Road Ste B
San Diego, CA 92111
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(858) 538-6025
Contractor bond$25,000 — Ohio Casualty Insurance Company (the)
Workers' comp (CSLB record)Workers' Compensation Insurance — Omaha National Casualty Company
Business typeCorporation
License issuedOctober 22, 2005
License expiresNovember 30, 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.