ADU CITIES Contractor Directory

Interior Environmental Specialists

Also listed as: Oshi Construction Inc

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

CSLB license#990408
ClassificationsB — General Building
Office of record10722 Arrow Rte # 304
Rancho Cucamonga, CA 91730
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 957-5848
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Everest National Insurance Company
Business typeCorporation
License issuedFebruary 5, 2014
License expiresFebruary 29, 2028

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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.