ADU CITIES Contractor Directory

5THCSI

Also listed as: 5TH Construction Services Inc

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

CSLB license#1028514
ClassificationsB — General Building · C-5 — Framing and Rough Carpentry
Office of recordP O Box 152257
San Diego, CA 92195
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(619) 651-5110
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Endurance Assurance Corporation
Business typeCorporation
License issuedJune 29, 2017
License expiresJune 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.