ADU CITIES Contractor Directory

Calterra Grading & Site Services Inc

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

CSLB license#970936
ClassificationsA — General Engineering · B — General Building
Office of record25247 Avenue Tibbits
Valencia, CA 91355
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(661) 644-6861
Contractor bond$25,000 — Atlantic Specialty Insurance Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Midwest Employers Casualty Company
Business typeCorporation
License issuedMarch 15, 2012
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.