Two Brothers Roofing vs Star Waterproofing and Roofing
East Bay Roofing Comparison · Updated January 2026
| Two Brothers Roofing | Star Waterproofing and Roofing | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.3 |
| Years Licensed | 46 years | 8 years |
| License # | 378564 | 1036279 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Castro Valley, CA | Walnut Creek, CA |
| Website | www.tbroof.com | www.starwaterproofingco.com |
Our Analysis
Star Waterproofing and Roofing is based in Walnut Creek and is described by customers as focusing strongly on leak diagnosis and repair explanations, with detailed estimates and clear communication. Customer-referenced work includes decks, balconies, and flat or low-slope roofs, including projects for multi-unit and commercial buildings. Reviews also mention protecting surrounding areas during construction and follow-up support after completion. Compared with Two Brothers Roofing, Star Waterproofing and Roofing has fewer years licensed (8) but similar compliance indicators listed (active license, workers’ compensation coverage, and a $25,000 bond). Some customer feedback notes occasional communication or service concerns, indicating experiences may be more variable.
Why choose Two Brothers Roofing?
- ✓ You want a contractor in Castro Valley or nearby Alameda County communities, with customers referencing repeat use and referrals through real estate or property management contacts.
- ✓ Your project includes roof replacement or shingle work, and you may also want gutter installation or minor gutter repairs handled as part of the overall job.
- ✓ You prefer a multi-crew workflow (tear-off, roofing, gutters) that customers describe as coordinated across phases.
- ✓ Cleanup and ongoing communication during estimating, scheduling, and the job are priorities based on customer-referenced experiences.
Why choose Star Waterproofing and Roofing?
- ✓ You are located in or near Walnut Creek/Contra Costa County and need a contractor familiar with that area.
- ✓ Your scope involves leak diagnosis, decks or balconies, or flat/low-slope roofing, including multi-unit or commercial building contexts mentioned by customers.
- ✓ You value detailed estimates and explanations of recommended repairs, plus attention to protecting surrounding areas during construction.
- ✓ You want the option of follow-up support after completion, while noting that some customers report occasional communication or service issues.
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Frequently Asked Questions
Yes. Both list workers’ compensation coverage and a $25,000 bond, and both have an active license status.
Two Brothers Roofing is based in Castro Valley in Alameda County. Star Waterproofing and Roofing is based in Walnut Creek in Contra Costa County.
Two Brothers Roofing has customer-referenced services that include gutter-related work such as installation and minor repairs, often alongside roofing phases.
Star Waterproofing and Roofing is described by customers as completing work on decks, balconies, and flat or low-slope roofs, including multi-unit and commercial projects.
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.