Mize Construction, B General Building Contractor in Concord, CA
Mize Construction operating as a sole owner holds an active California contractor license (CSLB #503952), valid through Jan 31, 2027. First issued in 1987, the license has been on the CSLB roster for 39 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Concord, in Contra Costa County, California.
- License Number
- 503952
- Issued
- Jan 9, 1987
- Status
- CLEAR
- Expires
- Jan 31, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 101056801
- Effective
- Apr 8, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Apr 20, 2026
- 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 Mize Construction licensed in California?
Yes. Mize Construction holds California Contractors State License Board license number 503952, which is active and in good standing. The license was first issued on January 9, 1987. It is valid through January 31, 2027.
What does Mize Construction specialize in?
Mize Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Mize Construction headquartered?
Mize Construction is headquartered at 780 Oakgrove Rd H2, Concord, CA 94518, in Contra Costa County, California.
Does Mize Construction have an active surety bond on file with CSLB?
Yes. Mize Construction has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Mize Construction carry workers' compensation coverage?
Mize Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Mize Construction's contractor license?
You can verify Mize Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=503952.
- License issuedJan 9, 1987
- Bond activeApr 8, 2026
- WC coverage startsApr 20, 2026
- License expiresJan 31, 2027
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