ADU CITIES Contractor Directory

Drop Mark S SR

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

CSLB license#881378
ClassificationsA — General Engineering · B — General Building · D-03
Office of recordP O Box 3296
Covina, CA 91722
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(918) 713-1112
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedJuly 24, 2006
License expiresApril 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.