ADU CITIES Contractor Directory

Ymsa Construction Company Inc

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

☎ Call (760) 298-9470Verify this license at CSLB
CSLB license#1136284
ClassificationsA — General Engineering · B — General Building
Office of record27 Via Marguesa
Rancho Santa Margarita, CA 92688
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(760) 298-9470
Contractor bond$25,000 — Business Alliance Insurance Company
Workers' comp (CSLB record)Exempt
Business typeCorporation
License issuedApril 21, 2025
License expiresApril 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.