Williamson Development Group
Electrical serving Lake Elsinore and the Temecula Valley.
Details
Contractor license
CSLB #990201 · CSLB snapshot CLEAR · LastUpdate 2026-06-19General Engineering · General Building · ElectricalExpires Jan 31, 2028 · snapshot LastUpdate Jun 19, 2026
From our dated CSLB snapshot (Sep 27, 2026), not a live state feed. Confirm current status, bonds and workers’ comp before signing. Search the license lookup · Read our contractor-hiring guide
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Describe the job and we’ll draft an email you can send to Williamson Development Group or call (951) 240-1719. Living in Temecula also keeps a private copy in our CRM so we can help you follow up; we do not sell or publish it.