Lammers Ralph Construction INC, B General Building Contractor in Concord, CA
Lammers Ralph Construction INC operating as a corporation holds an active California contractor license (CSLB #667467), valid through Mar 31, 2028. First issued in 1993, the license has been on the CSLB roster for 33 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and a previously-filed workers' compensation policy with Technology Insurance Company INC that is no longer active. The business is based in Concord, in Contra Costa County, California.
- License Number
- 667467
- Issued
- Mar 18, 1993
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100978978
- Effective
- Jul 19, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Technology Insurance Company INC
- Policy Number
- TES4623787
- Effective
- May 22, 2025
- Expires
- May 22, 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 Lammers Ralph Construction INC licensed in California?
Yes. Lammers Ralph Construction INC holds California Contractors State License Board license number 667467, which is active and in good standing. The license was first issued on March 18, 1993. It is valid through March 31, 2028.
What does Lammers Ralph Construction INC specialize in?
Lammers Ralph Construction INC is licensed for one CSLB classification: B General Building Contractor.
Where is Lammers Ralph Construction INC headquartered?
Lammers Ralph Construction INC is headquartered at 1406 Barbis Way, Concord, CA 94518, in Contra Costa County, California.
Does Lammers Ralph Construction INC have an active surety bond on file with CSLB?
Yes. Lammers Ralph Construction INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Lammers Ralph Construction INC carry workers' compensation coverage?
Lammers Ralph Construction INC has a previously-filed workers' compensation policy with Technology Insurance Company INC that is no longer active.
How do I verify Lammers Ralph Construction INC's contractor license?
You can verify Lammers Ralph Construction INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=667467.
- License issuedMar 18, 1993
- WC coverage startsMay 22, 2025
- Bond activeJul 19, 2025
- WC expiredMay 22, 2026
- License expiresMar 31, 2028
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