Concord Iron Works INC, C-51 Structural Steel Contractor in Pittsburg, CA
Concord Iron Works INC operating as a corporation holds California contractor license #425897, which is currently expired (lapsed Aug 31, 2026) and not valid to contract until it is renewed. First issued in 1982, the license has been on the CSLB roster for 44 years. It carries a single CSLB classification: C-51 — Structural Steel Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and active workers' compensation coverage from National Union Fire Insurance Company of Pittsburgh, PA. The business is based in Pittsburg, in Contra Costa County, California.
- License Number
- 425897
- Issued
- Aug 2, 1982
- Status
- CLEAR
- Expires
- Aug 31, 2026
- Entity
- Corporation
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- CA5926366
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- National Union Fire Insurance Company of Pittsburgh, PA
- Policy Number
- 038240189
- Effective
- Mar 1, 2026
- Expires
- Mar 1, 2027
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 Concord Iron Works INC licensed in California?
Concord Iron Works INC previously held California Contractors State License Board license number 425897, but the license expired on August 31, 2026 and is not currently valid. It was first issued on August 2, 1982.
What does Concord Iron Works INC specialize in?
Concord Iron Works INC is licensed for one CSLB classification: C-51 Structural Steel Contractor.
Where is Concord Iron Works INC headquartered?
Concord Iron Works INC is headquartered at 1 Leslie Drive, Pittsburg, CA 94565, in Contra Costa County, California.
Does Concord Iron Works INC have an active surety bond on file with CSLB?
Yes. Concord Iron Works INC has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Concord Iron Works INC carry workers' compensation coverage?
Yes. Concord Iron Works INC carries active workers' compensation coverage through National Union Fire Insurance Company of Pittsburgh, PA.
How do I verify Concord Iron Works INC's contractor license?
You can verify Concord Iron Works INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=425897.
- License issuedAug 2, 1982
- Bond activeJan 1, 2023
- WC coverage startsMar 1, 2026
- License expiredAug 31, 2026
- WC expiresMar 1, 2027
- Hewatt James INC#413072Brentwood·B General Building Contractor
- Baja Construction CO INC#412390Martinez·B General Building Contractor
- Kilcolgan Construction#513553Richmond·B General Building Contractor
- Burtt Construction Services#955030Orinda·A General Engineering Contractor
- Julian Tree Care INC#1009796Richmond·C-51 Structural Steel Contractor
- Romero's Welding and Marine Services INC#989276Brentwood·C-51 Structural Steel Contractor
- West Coast Steel Erectors INC#1027629Clayton·C-51 Structural Steel Contractor
- Acw Steel#800603Richmond·C-51 Structural Steel Contractor
Working a California job with Concord Iron Works INC, 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 Concord Iron Works INC? Claim or correct this profile