Black Diamond Roofing vs A1 Home Roofing Company
East Bay Roofing Comparison · Updated January 2026
| Black Diamond Roofing | A1 Home Roofing Company | |
|---|---|---|
| Rating | ★ 4.0 | ★ 5.0 |
| Years Licensed | 11 years | 8 years |
| License # | 996268 | 1038281 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | Orinda, CA |
| Website | www.blackdiamondroofs.com | havealeak.com |
Our Analysis
In service positioning, Black Diamond Roofing is described as working with roofing services and repairs, including projects coordinated through homeowner associations, suggesting experience with community-managed properties and ongoing coordination needs. Customer summaries for Black Diamond Roofing mention professionalism, punctuality, responsiveness, and a problem-solving approach, along with notes that some jobs may require additional steps such as returning with a separate proposal after an initial assessment.
A1 Home Roofing Company’s customer summary emphasizes being professional and easy to work with, with frequent mentions of competitive quotes, clear estimates, prompt scheduling, and timely completion. The feedback also references communication that helps customers feel informed, and it includes examples spanning full roof projects and smaller jobs such as garage roofing, as well as rain-related leak concerns. Overall, the summaries suggest different strengths: HOA coordination and service interaction themes for Black Diamond Roofing, and estimating, scheduling, and process explanation themes for A1 Home Roofing Company.
Why choose Black Diamond Roofing?
- ✓ You want a contractor based in Concord serving the surrounding Contra Costa County area.
- ✓ Your project involves HOA or community-managed coordination, where ongoing communication and scheduling with multiple stakeholders may be needed.
- ✓ You prefer a provider with 11 years of licensing history, plus active status, workers’ compensation coverage, and a $25,000 bond.
- ✓ You are comfortable with an evaluation process that may include follow-up steps, such as receiving a separate proposal after an initial assessment.
Why choose A1 Home Roofing Company?
- ✓ You want a contractor based in Orinda serving Contra Costa County, with an active license, workers’ compensation coverage, and a $25,000 bond.
- ✓ You value clear estimates and quotes, along with communication that explains the roofing process and answers questions.
- ✓ Your priority is prompt scheduling and timely completion, based on the themes in customer summaries.
- ✓ Your work could range from a full roof project to smaller jobs (such as garage roofing) or addressing rain-related leaks.
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Frequently Asked Questions
Yes. Both are listed with active license status and both carry workers’ compensation coverage. Each also maintains a $25,000 bond.
No. Black Diamond Roofing is based in Concord, and A1 Home Roofing Company is based in Orinda. Both serve Contra Costa County, California.
Black Diamond Roofing is described as working on roofing-related services and repairs, including projects coordinated through homeowner associations.
For A1 Home Roofing Company, the summary references full roof projects, smaller jobs such as garage roofing, and guidance related to rain-related leaks. For Black Diamond Roofing, the summary references roofing services and repairs and notes that some jobs may involve additional steps such as returning with a separate proposal after an initial assessment.
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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.