Two Brothers Roofing vs Sierra Roofing and Solar
East Bay Roofing Comparison · Updated January 2026
| Two Brothers Roofing | Sierra Roofing and Solar | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.8 |
| Years Licensed | 46 years | 22 years |
| License # | 378564 | 835854 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Castro Valley, CA | Dublin, CA |
| Website | www.tbroof.com | www.sierraroofing.com |
Our Analysis
Sierra Roofing and Solar is based in Dublin and has been licensed for 22 years with an active license. The review summary emphasizes thorough inspections, clear explanations of findings, and detailed quotes outlining scope of work. Customers reference workmanship on roof replacements, repairs, and gutter projects, and also mention cleanup and ongoing communication, including consultations and follow-up visits. Some customers note scheduling may require planning ahead. Both companies share similar compliance details (workers’ comp and bond) and are described as professional and responsive, but the provided data highlights different process strengths: crew coordination for Two Brothers Roofing and inspection/quote detail for Sierra Roofing and Solar.
Why choose Two Brothers Roofing?
- ✓ You want a contractor based in Castro Valley serving nearby Alameda County communities.
- ✓ Your project may involve multiple phases (tear-off, roofing, gutters) and you prefer separate crews for different steps, as described by customers.
- ✓ Clear communication during estimating, scheduling, and the job itself is a priority for you.
- ✓ You value attention to post-job cleanup, which is repeatedly mentioned in customer feedback.
Why choose Sierra Roofing and Solar?
- ✓ You want a contractor based in Dublin serving Alameda County.
- ✓ You prefer thorough inspections and clear explanations of findings before work begins.
- ✓ You want a detailed quote that outlines scope of work for roofing and gutter projects.
- ✓ You can plan ahead for scheduling if needed, as some customers note lead time may be required.
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Frequently Asked Questions
Yes. Both are listed with an active license status, workers’ compensation coverage, and a $25,000 bond.
Two Brothers Roofing is listed as licensed for 46 years, while Sierra Roofing and Solar is listed as licensed for 22 years.
Yes. Two Brothers Roofing is associated with gutter installation and minor repairs, and Sierra Roofing and Solar is associated with gutter projects alongside roofing work.
Yes. Some customers note that scheduling with Sierra Roofing and Solar can require planning ahead. No similar scheduling constraint is specifically noted in the provided information for Two Brothers Roofing.
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.