M S T Construction, B General Building Contractor in Diamond Bar, CA
M S T Construction operating as a corporation holds an active California contractor license (CSLB #837086), valid through Feb 28, 2027. First issued in 2004, the license has been on the CSLB roster for 22 years. It carries 2 CSLB classifications: B General Building Contractor and C-10 Electrical Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and an exempt workers' compensation status (no employees on payroll). The business is based in Diamond Bar, in Los Angeles County, California.
- License Number
- 837086
- Issued
- Apr 27, 2004
- Status
- CLEAR
- Expires
- Feb 28, 2027
- Entity
- Corporation
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101741319
- Effective
- Jan 13, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 24, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is M S T Construction licensed in California?
Yes. M S T Construction holds California Contractors State License Board license number 837086, which is active and in good standing. The license was first issued on April 27, 2004. It is valid through February 28, 2027.
What does M S T Construction specialize in?
M S T Construction is licensed for 2 CSLB classifications: B General Building Contractor and C-10 Electrical Contractor.
Where is M S T Construction headquartered?
M S T Construction is headquartered at Po Box 5106, Diamond Bar, CA 91765, in Los Angeles County, California.
Does M S T Construction have an active surety bond on file with CSLB?
Yes. M S T Construction has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does M S T Construction carry workers' compensation coverage?
M S T Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify M S T Construction's contractor license?
You can verify M S T Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=837086.
- License issuedApr 27, 2004
- WC coverage startsJan 24, 2025
- Bond activeJan 13, 2026
- License expiresFeb 28, 2027
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