Cornerstone Concrete Pumping, C-61/D-6 Concrete-Related Services Contractor in Torrance, CA
Cornerstone Concrete Pumping operating as a sole owner holds an active California contractor license (CSLB #1064988), valid through Apr 30, 2028. First issued in 2020, the license has been on the CSLB roster for 6 years. It carries a single CSLB classification: C-61/D-6 — Concrete-Related Services Contractor. Records show an active surety bond on file with Western Surety Company and active workers' compensation coverage from Endurance Assurance Corporation. The business is based in Torrance, in Los Angeles County, California.
- License Number
- 1064988
- Issued
- Apr 6, 2020
- Status
- CLEAR
- Expires
- Apr 30, 2028
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 72248263
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Endurance Assurance Corporation
- Policy Number
- EAW0000377200
- Effective
- Sep 11, 2025
- Expires
- Sep 11, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Cornerstone Concrete Pumping licensed in California?
Yes. Cornerstone Concrete Pumping holds California Contractors State License Board license number 1064988, which is active and in good standing. The license was first issued on April 6, 2020. It is valid through April 30, 2028.
What does Cornerstone Concrete Pumping specialize in?
Cornerstone Concrete Pumping is licensed for one CSLB classification: C-61/D-6 Concrete-Related Services Contractor.
Where is Cornerstone Concrete Pumping headquartered?
Cornerstone Concrete Pumping is headquartered at 23236 Doble Ave, Torrance, CA 90502, in Los Angeles County, California.
Does Cornerstone Concrete Pumping have an active surety bond on file with CSLB?
Yes. Cornerstone Concrete Pumping has an active California contractor surety bond filed with Western Surety Company.
Does Cornerstone Concrete Pumping carry workers' compensation coverage?
Yes. Cornerstone Concrete Pumping carries active workers' compensation coverage through Endurance Assurance Corporation.
How do I verify Cornerstone Concrete Pumping's contractor license?
You can verify Cornerstone Concrete Pumping's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1064988.
- License issuedApr 6, 2020
- Bond activeJan 1, 2023
- WC coverage startsSep 11, 2025
- WC expiresSep 11, 2026
- License expiresApr 30, 2028
- Merli Concrete Pumping#193717Gardena·C-61/D-6 Concrete-Related Services Contractor
- Garrett Construction#231730Hermosa Beach·B General Building Contractor
- Lionelli Masonry INC#367772Hidden Hills·B General Building Contractor
- Concrete Coring Company Los Angeles#368275Paramount·A General Engineering Contractor
- Knickelbein Builders#375620Pasadena·A General Engineering Contractor
- United Concrete Cutting#415447Norwalk·B General Building Contractor
- Bazan Construction INC#450073Los Angeles·C-12 Earthwork and Paving Contractor
- Arrow Concrete Cutting CO Incorporated#455102Pacoima·A General Engineering Contractor
Working a California job with Cornerstone 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 Cornerstone Concrete Pumping? Claim or correct this profile