Diamond Grading INC, C-12 Earthwork and Paving Contractor in Riverside, CA
Diamond Grading INC operating as a corporation holds an active California contractor license (CSLB #877432), valid through May 31, 2028. First issued in 2006, the license has been on the CSLB roster for 20 years. It carries a single CSLB classification: C-12 — Earthwork and Paving Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Service American Indemnity Company. The business is based in Riverside, in Riverside County, California.
- License Number
- 877432
- Issued
- May 6, 2006
- Status
- CLEAR
- Expires
- May 31, 2028
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC499318
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Service American Indemnity Company
- Policy Number
- SAMTWC0045705
- Effective
- Dec 1, 2025
- Expires
- Dec 1, 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 Diamond Grading INC licensed in California?
Yes. Diamond Grading INC holds California Contractors State License Board license number 877432, which is active and in good standing. The license was first issued on May 6, 2006. It is valid through May 31, 2028.
What does Diamond Grading INC specialize in?
Diamond Grading INC is licensed for one CSLB classification: C-12 Earthwork and Paving Contractor.
Where is Diamond Grading INC headquartered?
Diamond Grading INC is headquartered at 4043 Avon Street, Riverside, CA 92509, in Riverside County, California.
Does Diamond Grading INC have an active surety bond on file with CSLB?
Yes. Diamond Grading INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Diamond Grading INC carry workers' compensation coverage?
Yes. Diamond Grading INC carries active workers' compensation coverage through Service American Indemnity Company.
How do I verify Diamond Grading INC's contractor license?
You can verify Diamond Grading INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=877432.
- License issuedMay 6, 2006
- Bond activeJan 1, 2023
- WC coverage startsDec 1, 2025
- WC expiresDec 1, 2026
- License expiresMay 31, 2028
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