Stier Engineering, A General Engineering Contractor in Antioch, CA
Stier Engineering operating as a sole owner holds an active California contractor license (CSLB #1148360), valid through Dec 31, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: A — General Engineering 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 Antioch, in Contra Costa County, California.
- License Number
- 1148360
- Issued
- Dec 30, 2025
- Status
- CLEAR
- Expires
- Dec 31, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 101015532
- Effective
- Oct 20, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Nov 25, 2025
- Expires
- —
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Stier Engineering licensed in California?
Yes. Stier Engineering holds California Contractors State License Board license number 1148360, which is active and in good standing. The license was first issued on December 30, 2025. It is valid through December 31, 2027.
What does Stier Engineering specialize in?
Stier Engineering is licensed for one CSLB classification: A General Engineering Contractor.
Where is Stier Engineering headquartered?
Stier Engineering is headquartered at 2329 Mark Twain Dr, Antioch, CA 94531, in Contra Costa County, California.
Does Stier Engineering have an active surety bond on file with CSLB?
Yes. Stier Engineering has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Stier Engineering carry workers' compensation coverage?
Stier Engineering reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Stier Engineering's contractor license?
You can verify Stier Engineering's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1148360.
- Bond activeOct 20, 2025
- WC coverage startsNov 25, 2025
- License issuedDec 30, 2025
- License expiresDec 31, 2027
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