Black Diamond Roofing vs Marco Roofing
East Bay Roofing Comparison · Updated January 2026
| Black Diamond Roofing | Marco Roofing | |
|---|---|---|
| Rating | ★ 4.0 | ★ 4.9 |
| Years Licensed | 11 years | 45 years |
| License # | 996268 | 402961 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | Fremont, CA |
| Website | www.blackdiamondroofs.com | www.marcoroofing.com |
Our Analysis
Marco Roofing is based in Fremont (Alameda County) and has been licensed for 45 years, with an active license status, workers’ compensation coverage, and a $25,000 bond. Customer feedback frequently highlights responsiveness from estimate through completion, clear communication about scope, scheduling, and pricing, and proposals described as straightforward. Reviews also commonly reference workmanship details (including tile matching and related components such as gutters and metal work), jobsite cleanliness, and completing work within agreed timeframes, including accommodating time-sensitive situations.
Both companies present similar baseline compliance indicators (active license, workers’ comp, bond), while differing in location, years licensed, and the specific service experience themes emphasized in customer feedback.
Why choose Black Diamond Roofing?
- ✓ You are located in or near Concord/Contra Costa County and want a locally based contractor for roofing services or repairs.
- ✓ Your project involves HOA coordination or community-managed property work, which the company description specifically mentions.
- ✓ You value professionalism and punctuality, with customer feedback often pointing to responsiveness and a problem-solving approach.
- ✓ You are comfortable with an estimating process that may include follow-up steps (such as a separate proposal after an initial assessment), as noted in some customer feedback.
Why choose Marco Roofing?
- ✓ You are located in or near Fremont/Alameda County and want a contractor based in that area.
- ✓ You prefer a process described as clear from estimate through completion, including communication about scope, scheduling, and pricing.
- ✓ Your project may involve roof replacement or repairs where attention to details (tile matching, gutters, metal work) and jobsite cleanliness matter.
- ✓ You want a contractor often described as timely and able to accommodate time-sensitive situations, based on customer feedback themes.
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Frequently Asked Questions
Yes. Both Black Diamond Roofing and Marco Roofing are listed with active license status, carry workers’ compensation coverage, and maintain a $25,000 bond.
Black Diamond Roofing is based in Concord, Contra Costa County, California. Marco Roofing is based in Fremont, Alameda County, California.
Black Diamond Roofing has been licensed for 11 years. Marco Roofing has been licensed for 45 years.
Black Diamond Roofing’s description specifically mentions coordinating projects through homeowner associations.
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.