Tri Valley Roofing vs Williams Roofing
East Bay Roofing Comparison · Updated January 2026
| Tri Valley Roofing | Williams Roofing | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.6 |
| Years Licensed | 3 years | 32 years |
| License # | 1100411 | 687391 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Castro Valley, CA | Fremont, CA |
| Website | www.trivalleyroofing.com | williamsroofing.net |
Our Analysis
Service descriptions for Tri Valley Roofing include roof replacement, roof repairs and maintenance, gutter installation, skylight work, and related improvements such as solar tubes and dry rot repairs. It is described as serving the surrounding East Bay area from Castro Valley. Customer descriptions also note the use of photos to document conditions and progress, including for insurance-related needs.
For Williams Roofing, customer descriptions commonly reference roof repairs and full roof replacements, including leak-related work and completing projects as promised. Feedback themes emphasize responsiveness, clear communication, and a straightforward approach to recommendations, with comments indicating the company does not push unnecessary work and provides fair pricing. Both companies are described as professional and timely, but the available details differ: Tri Valley Roofing is more frequently associated with add-on items (gutters, skylights, solar tubes) and photo documentation, while Williams Roofing is more frequently associated with long tenure and a no-pressure recommendation style.
Why choose Tri Valley Roofing?
- ✓ You want roofing work that may include related add-ons mentioned in customer descriptions, such as gutters, skylights, solar tubes, or dry rot repairs.
- ✓ Photo documentation for project communication (including insurance-related sharing) is important to you.
- ✓ You prefer a contractor based in Castro Valley serving the surrounding East Bay area.
- ✓ You are comfortable choosing a company with 3 years of licensure, with an active license, workers’ comp, and a $25,000 bond.
Why choose Williams Roofing?
- ✓ You value a longer-licensed contractor (32 years) with an active license, workers’ comp, and a $25,000 bond.
- ✓ Your project is focused on roof repairs or a full roof replacement, including leak-related work.
- ✓ You prefer a contractor described as straightforward in recommendations and not pushing unnecessary work.
- ✓ A Fremont-based company in Alameda County is a better geographic fit for your needs.
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Frequently Asked Questions
Yes. Both Tri Valley Roofing and Williams Roofing are listed with active license status, workers’ compensation coverage, and a $25,000 bond.
Williams Roofing has been licensed for 32 years, while Tri Valley Roofing has been licensed for 3 years.
Tri Valley Roofing is described as providing gutter installation, skylight work, and related improvements such as solar tubes, along with roof replacement and repairs.
Tri Valley Roofing is described as using photos to document conditions and progress, which some customers found useful for sharing with insurance.
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.