Black Diamond Waterproofing, C-39 Roofing Contractor in Lake Forest, CA
Black Diamond Waterproofing operating as a corporation holds an active California contractor license (CSLB #1005043), valid through Jun 30, 2027. First issued in 2015, the license has been on the CSLB roster for 11 years. It carries a single CSLB classification: C-39 — Roofing Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and a previously-filed workers' compensation policy with Endurance Assurance Corporation that is no longer active. The business is based in Lake Forest, in Orange County, California.
- License Number
- 1005043
- Issued
- Jun 30, 2015
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100753679
- Effective
- Jun 5, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Endurance Assurance Corporation
- Policy Number
- EAW0000358700
- Effective
- Aug 10, 2025
- Expires
- Aug 10, 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 Black Diamond Waterproofing licensed in California?
Yes. Black Diamond Waterproofing holds California Contractors State License Board license number 1005043, which is active and in good standing. The license was first issued on June 30, 2015. It is valid through June 30, 2027.
What does Black Diamond Waterproofing specialize in?
Black Diamond Waterproofing is licensed for one CSLB classification: C-39 Roofing Contractor.
Where is Black Diamond Waterproofing headquartered?
Black Diamond Waterproofing is headquartered at 22365 El Toro Road,178, Lake Forest, CA 92630, in Orange County, California.
Does Black Diamond Waterproofing have an active surety bond on file with CSLB?
Yes. Black Diamond Waterproofing has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Black Diamond Waterproofing carry workers' compensation coverage?
Black Diamond Waterproofing has a previously-filed workers' compensation policy with Endurance Assurance Corporation that is no longer active.
How do I verify Black Diamond Waterproofing's contractor license?
You can verify Black Diamond Waterproofing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1005043.
- License issuedJun 30, 2015
- Bond activeJun 5, 2023
- WC coverage startsAug 10, 2025
- WC expiredAug 10, 2026
- License expiresJun 30, 2027
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