Bay Valley Roofing & Solar vs Black Diamond Roofing
East Bay Roofing Comparison · Updated January 2026
| Bay Valley Roofing & Solar | Black Diamond Roofing | |
|---|---|---|
| Rating | ★ 4.8 | ★ 4.0 |
| Years Licensed | 13 years | 11 years |
| License # | 982745 | 996268 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | Concord, CA |
| Website | www.bayvalleyroofing.com | www.blackdiamondroofs.com |
Our Analysis
Black Diamond Roofing is also listed in Concord, Contra Costa County, CA, with an active license status, workers’ compensation coverage, and a $25,000 bond. It is shown as licensed for 11 years. Customer feedback emphasizes professionalism and punctuality, and notes communication and coordination that can support ongoing work for HOA communities. Reviews also suggest that some jobs may require additional steps, such as returning with a separate proposal after an initial assessment, and the overall service experience described is mixed across customers.
Why choose Bay Valley Roofing & Solar?
- ✓ You want roofing work that may include solar components (for example, solar shingle installations) alongside replacement or repair.
- ✓ You value a structured process that includes inspections, documentation, and ongoing communication throughout the project.
- ✓ You may need coordination that supports managing a project remotely (not being on-site during the work).
- ✓ You want a contractor with 13 years of licensing history, active status, workers’ comp coverage, and a $25,000 bond.
Why choose Black Diamond Roofing?
- ✓ You want a roofing contractor described as punctual and professional, with an emphasis on responsiveness during service interactions.
- ✓ Your project involves HOA-related coordination or ongoing community work where communication logistics matter.
- ✓ You are comfortable with an approach where an initial assessment may be followed by a separate proposal step.
- ✓ You want a contractor with 11 years licensed, active status, workers’ comp coverage, and a $25,000 bond.
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Frequently Asked Questions
Yes. Both are listed with active license status, workers’ compensation coverage, and a $25,000 bond.
Bay Valley Roofing & Solar is described as taking on roofing projects that include solar components, such as solar shingle installations.
Black Diamond Roofing is noted by customers for communication and coordination that can support ongoing work for HOA communities.
Bay Valley Roofing & Solar is listed as licensed for 13 years, while Black Diamond Roofing is listed as licensed for 11 years.
Other East Bay Roofing Comparisons
Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified January 13, 2026.
This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.