ADU CITIES Contractor Directory

Martin Vierling Custom Builders

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

☎ Call (619) 665-9750Verify this license at CSLB
CSLB license#824087
ClassificationsB — General Building
Office of record9134 Valencia Street
Spring Valley, CA 91977
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(619) 665-9750
Contractor bond$25,000 — Allegheny Casualty Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Berkshire Hathaway Direct Insurance Company
Business typeSole Owner
License issuedSeptember 12, 2003
License expiresSeptember 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.