Guerreros Concrete Pumping, C-8 Concrete Contractor in Newark, CA
Guerreros Concrete Pumping operating as a sole owner holds an active California contractor license (CSLB #1139850), valid through Jul 31, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: C-8 — Concrete Contractor. Records show an active surety bond on file with Nationwide Mutual Insurance Company and a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active. The business is based in Newark, in Alameda County, California.
- License Number
- 1139850
- Issued
- Jul 2, 2025
- Status
- CLEAR
- Expires
- Jul 31, 2027
- Entity
- Sole Owner
- Surety
- Nationwide Mutual Insurance Company
- Bond Number
- 7901205173
- Effective
- May 14, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Clear Spring Property and Casualty Company
- Policy Number
- CWC03493600
- Effective
- May 23, 2025
- Expires
- May 23, 2026
This contractor has a compliance issue in its public CSLB record:
- 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 Guerreros Concrete Pumping licensed in California?
Yes. Guerreros Concrete Pumping holds California Contractors State License Board license number 1139850, which is active and in good standing. The license was first issued on July 2, 2025. It is valid through July 31, 2027.
What does Guerreros Concrete Pumping specialize in?
Guerreros Concrete Pumping is licensed for one CSLB classification: C-8 Concrete Contractor.
Where is Guerreros Concrete Pumping headquartered?
Guerreros Concrete Pumping is headquartered at 6628 Dairy Ave, Newark, CA 94560, in Alameda County, California.
Does Guerreros Concrete Pumping have an active surety bond on file with CSLB?
Yes. Guerreros Concrete Pumping has an active California contractor surety bond filed with Nationwide Mutual Insurance Company.
Does Guerreros Concrete Pumping carry workers' compensation coverage?
Guerreros Concrete Pumping has a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active.
How do I verify Guerreros Concrete Pumping's contractor license?
You can verify Guerreros Concrete Pumping's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1139850.
- Bond activeMay 14, 2025
- WC coverage startsMay 23, 2025
- License issuedJul 2, 2025
- WC expiredMay 23, 2026
- License expiresJul 31, 2027
- D W Nicholson Corporation#68847Hayward·A General Engineering Contractor
- Fitzmaurice J H INC#111689Oakland·A General Engineering Contractor
- Polishedcrete#242104Livermore·C-8 Concrete Contractor
- Berkeley Cement INC#290755Berkeley·C-8 Concrete Contractor
- Sansei Gardens INC#291612Livermore·A General Engineering Contractor
- Johnson A A & Son INC#277070Oakland·C-8 Concrete Contractor
- Sposeto Engineering INC#310292Livermore·A General Engineering Contractor
- Barnett Concrete#510162Livermore·C-8 Concrete Contractor
Working a California job with Guerreros Concrete Pumping, 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 Guerreros Concrete Pumping? Claim or correct this profile