ADU CITIES Contractor Directory

Lanko Construction Corp

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

☎ Call (909) 559-9487Verify this license at CSLB
CSLB license#922377
ClassificationsA — General Engineering · C-21 — Building Moving and Demolition · HAZ — Hazardous Substance Removal
Office of record828 W Buffington St
Upland, CA 91784
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 559-9487
Contractor bond$25,000 — Jet Insurance Company
Workers' comp (CSLB record)Workers' Compensation Insurance — State Compensation Insurance Fund
Business typeCorporation
License issuedSeptember 18, 2008
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.