ADU CITIES Contractor Directory

Mdc Construction Services

Also listed as: Michael Duffy

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

☎ Call (949) 793-0021Verify this license at CSLB
CSLB license#1017865
ClassificationsB — General Building
Office of record95 Northern Pine Loop
Aliso Viejo, CA 92656
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(949) 793-0021
Contractor bond$25,000 — Atlantic Specialty Insurance Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Service American Indemnity Company
Business typeSole Owner
License issuedSeptember 1, 2016
License expiresSeptember 30, 2028

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.