ADU CITIES Contractor Directory

Costello Construction

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

CSLB license#367968
ClassificationsB — General Building
Office of record28781 Prudente
Mission Viejo, CA 92692
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(949) 768-4292
Contractor bond$25,000 — Merchants Bonding Company (mutual)
Workers' comp (CSLB record)Workers' Compensation Insurance — Omaha National Casualty Company
Business typeSole Owner
License issuedJanuary 15, 1979
License expiresJanuary 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.