Black Diamond Roofing vs Astro Roofing Inc
East Bay Roofing Comparison · Updated January 2026
| Black Diamond Roofing | Astro Roofing Inc | |
|---|---|---|
| Rating | ★ 4.0 | ★ 5.0 |
| Years Licensed | 11 years | 11 years |
| License # | 996268 | 1001992 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | Oakland, CA |
| Website | www.blackdiamondroofs.com | astroroofinginc.net |
Our Analysis
Astro Roofing Inc is based in Oakland (Alameda County). Customer feedback for Astro emphasizes a guided process from initial contact to completion, including clear communication, timely scheduling, thorough inspections and estimates, and helpful explanations. Reviews also mention fast responses for leak-related needs and weather damage, as well as satisfaction with repairs, replacements, and smaller maintenance tasks like gutter cleaning.
Customer feedback for Black Diamond Roofing highlights professionalism, punctuality, and responsiveness, including coordination that can support ongoing HOA work. It also notes that some jobs may require additional steps, such as returning with a separate proposal after an initial assessment, and that experiences are mixed depending on the service outcome.
Why choose Black Diamond Roofing?
- ✓ You want a Concord-based contractor described as serving Contra Costa County and nearby communities.
- ✓ HOA coordination matters: the company is specifically described as supporting projects coordinated through homeowner associations.
- ✓ You prefer a contractor with documented basics in place (active license, workers’ comp, and a $25,000 bond).
- ✓ You’re comfortable with a process that may include follow-up steps after an initial assessment, such as receiving a separate proposal later.
Why choose Astro Roofing Inc?
- ✓ You want an Oakland-based contractor in Alameda County with the same listed licensing, workers’ comp, and bond details.
- ✓ You value a step-by-step process with clear explanations, thorough inspections/estimates, and timely scheduling (as described in customer feedback).
- ✓ You may need responsiveness for leak-related issues or weather damage, which is frequently mentioned in reviews.
- ✓ You’re looking for help across different job sizes, including repairs/replacements and smaller maintenance tasks like gutter cleaning.
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Frequently Asked Questions
Yes. Both are listed with an active license status, 11 years licensed, and workers’ compensation coverage.
Yes. Each company is listed as maintaining a $25,000 bond.
Black Diamond Roofing is based in Concord and is described as serving Contra Costa County.
Astro Roofing Inc’s review summary specifically mentions satisfaction with smaller projects and maintenance tasks such as gutter cleaning.
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.