M S T Construction

Also listed as: M S T Group Inc

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

CSLB license	#837086
Classifications	B — General Building · C-10 — Electrical
Office of record	PO Box 5106 Diamond Bar, CA 91765 Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)	(909) 322-8890
Contractor bond	$25,000 — Merchants Bonding Company (mutual)
Workers' comp (CSLB record)	Exempt
Business type	Corporation
License issued	April 27, 2004
License expires	February 28, 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.