Ironrock Builders, A General Engineering Contractor in Martinez, CA
Ironrock Builders operating as a corporation holds California contractor license #1094279, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 2022, the license has been on the CSLB roster for 4 years. It carries 2 CSLB classifications: A General Engineering Contractor and B General Building Contractor. Records show an active surety bond on file with Atlantic Specialty 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
- 1094279
- Issued
- Jul 21, 2022
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Corporation
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800210816
- Effective
- Dec 13, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 31, 2024
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Ironrock Builders licensed in California?
Ironrock Builders previously held California Contractors State License Board license number 1094279, but the license expired on July 31, 2026 and is not currently valid. It was first issued on July 21, 2022.
What does Ironrock Builders specialize in?
Ironrock Builders is licensed for 2 CSLB classifications: A General Engineering Contractor and B General Building Contractor.
Where is Ironrock Builders headquartered?
Ironrock Builders is headquartered at 150 Brookwood Drive, Martinez, CA 94553, in Contra Costa County, California.
Does Ironrock Builders have an active surety bond on file with CSLB?
Yes. Ironrock Builders has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Ironrock Builders carry workers' compensation coverage?
Ironrock Builders reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Ironrock Builders's contractor license?
You can verify Ironrock Builders's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1094279.
- License issuedJul 21, 2022
- WC coverage startsJul 31, 2024
- Bond activeDec 13, 2025
- License expiredJul 31, 2026
- Swinerton Builders#92Concord·A General Engineering Contractor
- Overaa C & CO#106793Richmond·A General Engineering Contractor
- Scott Edward W Electric CO INC#190426Richmond·A General Engineering Contractor
- Contra Costa Electric INC#139885Martinez·A General Engineering Contractor
- Seeno Albert D Construction CO#260260Concord·A General Engineering Contractor
- Lescure Company INC#248204Concord·A General Engineering Contractor
- Anza Engineering CORP#273213Brentwood·A General Engineering Contractor
- Zovich Construction#287113Brentwood·A General Engineering Contractor
Working a California job with Ironrock Builders, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Ironrock Builders? Claim or correct this profile