Tri Valley Roofing vs TSP Roofing and Solar
East Bay Roofing Comparison · Updated January 2026
| Tri Valley Roofing | TSP Roofing and Solar | |
|---|---|---|
| Rating | ★ 5.0 | ★ 5.0 |
| Years Licensed | 3 years | 3 years |
| License # | 1100411 | 1096233 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Castro Valley, CA | Hercules, CA |
| Website | www.trivalleyroofing.com | www.tsproofingandsolar.com |
Our Analysis
Service scope is the clearest differentiator. Tri Valley Roofing is described as focused on roofing-related work, including roof replacement, repairs and maintenance, gutter installation, skylight work, solar tubes, and dry rot repairs. Customer descriptions also mention photo documentation to support communication and, in some cases, insurance-related needs. The geographic emphasis noted is the East Bay area around Castro Valley.
TSP Roofing and Solar is described as covering both roofing and solar projects, with customer references to solar or battery installs, solar systems going offline, inverter or component replacements, and related electrical upgrades. Feedback themes for TSP include organized coordination, clear explanations, and troubleshooting/repair capability across both roof and solar system issues. Both companies are described as responsive and timely, but the data for TSP more explicitly includes solar and electrical-related work alongside roofing.
Why choose Tri Valley Roofing?
- ✓ You want a roofing contractor based in Castro Valley serving the surrounding East Bay area.
- ✓ Your project includes roofing plus related exterior items 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 company described as focusing primarily on roofing and roof-adjacent improvements rather than solar system work.
Why choose TSP Roofing and Solar?
- ✓ You want one contractor for both roofing and solar-related work, including solar or battery installation.
- ✓ You may need troubleshooting or repairs for solar equipment (for example, systems going offline or inverter/component replacement).
- ✓ Your project may involve related electrical work or upgrades as part of the installation.
- ✓ You’re located closer to Hercules or prefer a Contra Costa County-based company for coordination and scheduling.
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Frequently Asked Questions
Yes. The provided data indicates both companies carry workers’ compensation coverage and each holds a $25,000 bond.
TSP Roofing and Solar is described as working on solar projects, including solar or battery installs and solar system troubleshooting and component replacements.
Tri Valley Roofing is based in Castro Valley (Alameda County, CA). TSP Roofing and Solar is based in Hercules (Contra Costa County, CA).
Tri Valley Roofing is described as using photos to document conditions and progress for project communication, including for insurance-related needs.
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.