ADU CITIES Contractor Directory

Building Science Development Group Inc

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

CSLB license#1078701
ClassificationsB — General Building
Office of record5 Sagebrush Ln
Rolling Hills, CA 90274
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(310) 754-5048
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Pie Insurance Company (the)
Business typeCorporation
License issuedJuly 24, 2021
License expiresJuly 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.