Guerra Bros Plumbing INC, A General Engineering Contractor in Concord, CA
Guerra Bros Plumbing INC operating as a corporation holds an active California contractor license (CSLB #802256), valid through Jan 31, 2027. First issued in 2001, the license has been on the CSLB roster for 25 years. It carries 3 CSLB classifications: A General Engineering Contractor, C-36 Plumbing Contractor, and C-42 Sanitation System Contractor. Records show a previously-filed surety bond from Merchants Bonding Company (mutual) that is no longer active and a previously-filed workers' compensation policy with Amtrust Insurance Company that is no longer active. The business is based in Concord, in Contra Costa County, California.
- License Number
- 802256
- Issued
- Dec 13, 2001
- Status
- CLEAR
- Expires
- Jan 31, 2027
- Entity
- Corporation
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101716144
- Effective
- Feb 4, 2026
- Status
- Cancelled
- Cancelled
- May 21, 2026
- Coverage
- Workers' Compensation Insurance
- Carrier
- Amtrust Insurance Company
- Policy Number
- KWC1402484
- Effective
- Aug 6, 2025
- Expires
- Aug 6, 2026
This contractor has a compliance issue in its public CSLB record:
- Contractor bond cancelled
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Guerra Bros Plumbing INC licensed in California?
Yes. Guerra Bros Plumbing INC holds California Contractors State License Board license number 802256, which is active and in good standing. The license was first issued on December 13, 2001. It is valid through January 31, 2027.
What does Guerra Bros Plumbing INC specialize in?
Guerra Bros Plumbing INC is licensed for 3 CSLB classifications: A General Engineering Contractor, C-36 Plumbing Contractor, and C-42 Sanitation System Contractor.
Where is Guerra Bros Plumbing INC headquartered?
Guerra Bros Plumbing INC is headquartered at 100 Medburn St Ste B, Concord, CA 94520, in Contra Costa County, California.
Does Guerra Bros Plumbing INC have an active surety bond on file with CSLB?
Guerra Bros Plumbing INC has a previously-filed surety bond from Merchants Bonding Company (mutual) that is no longer active.
Does Guerra Bros Plumbing INC carry workers' compensation coverage?
Guerra Bros Plumbing INC has a previously-filed workers' compensation policy with Amtrust Insurance Company that is no longer active.
How do I verify Guerra Bros Plumbing INC's contractor license?
You can verify Guerra Bros Plumbing INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=802256.
- License issuedDec 13, 2001
- WC coverage startsAug 6, 2025
- Bond activeFeb 4, 2026
- Bond cancelledMay 21, 2026
- WC expiredAug 6, 2026
- License expiresJan 31, 2027
- White L H General Building Contractor#275246Lafayette·B General Building Contractor
- Seeno Albert D JR#281273Concord·A General Engineering Contractor
- Performance Mechanical INC#475516Pittsburg·A General Engineering Contractor
- Lescure Company INC#248204Concord·A General Engineering Contractor
- Anza Engineering CORP#273213Brentwood·A General Engineering Contractor
- Foundation Constructors INC#270761Oakley·A General Engineering Contractor
- Brosamer Robert#267780Walnut Creek·A General Engineering Contractor
- Jensen H C Plumbing INC#265318Danville·C-20 HVAC Contractor
Working a California job with Guerra Bros Plumbing 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 Guerra Bros Plumbing INC? Claim or correct this profile