O'brien Michael T, B General Building Contractor in Martinez, CA
O'brien Michael T operating as a sole owner holds an active California contractor license (CSLB #616209), valid through Mar 31, 2027. First issued in 1991, the license has been on the CSLB roster for 35 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Business Alliance Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Martinez, in Contra Costa County, California.
- License Number
- 616209
- Issued
- Mar 23, 1991
- Status
- CLEAR
- Expires
- Mar 31, 2027
- Entity
- Sole Owner
- Surety
- Business Alliance Insurance Company
- Bond Number
- G19033210359
- Effective
- Oct 6, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Mar 28, 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 O'brien Michael T licensed in California?
Yes. O'brien Michael T holds California Contractors State License Board license number 616209, which is active and in good standing. The license was first issued on March 23, 1991. It is valid through March 31, 2027.
What does O'brien Michael T specialize in?
O'brien Michael T is licensed for one CSLB classification: B General Building Contractor.
Where is O'brien Michael T headquartered?
O'brien Michael T is headquartered at 138 Ladybug Lane, Martinez, CA 94553, in Contra Costa County, California.
Does O'brien Michael T have an active surety bond on file with CSLB?
Yes. O'brien Michael T has an active California contractor surety bond filed with Business Alliance Insurance Company.
Does O'brien Michael T carry workers' compensation coverage?
O'brien Michael T reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify O'brien Michael T's contractor license?
You can verify O'brien Michael T's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=616209.
- License issuedMar 23, 1991
- WC coverage startsMar 28, 2025
- Bond activeOct 6, 2025
- License expiresMar 31, 2027
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