Diamond Sierra INC
Diamond Sierra INC operating as a corporation is licensed in California under CSLB number 1002321. The license was first issued in 2015, putting the business at 11 years on the active CSLB roster. It carries a single CSLB classification: C-8 — Concrete Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Amtrust Insurance Company. The business is based in Vista, in San Diego County, California.
- License Number
- 1002321
- Issued
- Mar 23, 2015
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100448411
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Amtrust Insurance Company
- Policy Number
- KWP1415674
- Effective
- Nov 12, 2025
- Expires
- Nov 12, 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 Sierra INC licensed in California?
Yes. Diamond Sierra INC holds California Contractors State License Board license number 1002321. The license was first issued on March 23, 2015. It is valid through June 30, 2027.
What does Diamond Sierra INC specialize in?
Diamond Sierra INC is licensed for one CSLB classification: C-8 Concrete Contractor.
Where is Diamond Sierra INC headquartered?
Diamond Sierra INC is headquartered at 1647 Monte Mar Rd, Vista, CA 92084, in San Diego County, California.
Does Diamond Sierra INC have an active surety bond on file with CSLB?
Yes. Diamond Sierra INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Diamond Sierra INC carry workers' compensation coverage?
Yes. Diamond Sierra INC carries active workers' compensation coverage through Amtrust Insurance Company.
How do I verify Diamond Sierra INC's contractor license?
You can verify Diamond Sierra INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1002321.
- License issuedMar 23, 2015
- Bond activeJan 1, 2023
- WC coverage startsNov 12, 2025
- WC expiresNov 12, 2026
- License expiresJun 30, 2027
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