Black Diamond Waterproofing
Black Diamond Waterproofing operating as a corporation is licensed in California under CSLB number 1005043. 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-39 — Roofing Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Endurance Assurance Corporation. 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 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 Black Diamond Waterproofing licensed in California?
Yes. Black Diamond Waterproofing holds California Contractors State License Board license number 1005043. 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?
Yes. Black Diamond Waterproofing carries active workers' compensation coverage through Endurance Assurance Corporation.
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 expiresAug 10, 2026
- License expiresJun 30, 2027
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