ADU CITIES Contractor Directory

Williamson Development Group

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

☎ Call (951) 240-1719Verify this license at CSLB
CSLB license#990201
ClassificationsA — General Engineering · B — General Building · C-10 — Electrical
Office of record31925 Manzamita Lane
Lake Elsinore, CA 92532
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(951) 240-1719
Contractor bond$25,000 — Nationwide Mutual Insurance Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Amguard Insurance Company
Business typeCorporation
License issuedJanuary 29, 2014
License expiresJanuary 31, 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.