Thor Contracting Corporation vs TSP Roofing and Solar
East Bay Roofing Comparison · Updated January 2026
| Thor Contracting Corporation | TSP Roofing and Solar | |
|---|---|---|
| Rating | ★ 4.9 | ★ 5.0 |
| Years Licensed | 4 years | 3 years |
| License # | 1093228 | 1096233 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | El Sobrante, CA | Hercules, CA |
| Website | thorcontractingcorporation.com | www.tsproofingandsolar.com |
Our Analysis
TSP Roofing and Solar is located in Hercules and has been licensed for 3 years with an active status. Customer feedback describes work spanning roofing and solar projects, including troubleshooting and repairs such as roof leaks, solar systems going offline, and inverter or component replacements. Reviews also reference organized coordination, clear explanations of the process, and efficient installation timelines, including one-day solar or battery installs in some cases. In addition, customers mention workmanship details such as neat installation practices and electrical upgrades.
Both companies are described as professional and responsive, with emphasis on communication and organized project execution. Based on the provided data, Thor appears centered on roofing services, while TSP is positioned for combined roofing and solar needs, including related electrical components.
Why choose Thor Contracting Corporation?
- ✓ You want a contractor described primarily for roofing projects such as repairs, installation, and maintenance.
- ✓ Permit and inspection coordination is part of your project needs, and you want a contractor referenced for handling that scheduling.
- ✓ You prefer a contractor with 4 years of licensing history, active status, workers’ comp coverage, and a $25,000 bond.
- ✓ Your project is in or near El Sobrante/Contra Costa County, or you’re open to arranging work beyond the immediate area as noted in customer comments.
Why choose TSP Roofing and Solar?
- ✓ You want one company for both roofing and solar work, rather than coordinating separate providers.
- ✓ Your project may involve solar troubleshooting or repairs (for example, systems going offline or inverter/component replacement) in addition to roofing.
- ✓ You value detailed process explanations and organized coordination, which are specifically referenced in customer feedback.
- ✓ You prefer a contractor with an active license, workers’ comp coverage, and a $25,000 bond, based in Hercules in Contra Costa County.
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Frequently Asked Questions
Yes. Both are listed as carrying workers’ compensation coverage and maintaining a $25,000 bond, with active license status.
TSP Roofing and Solar is described in customer feedback as working on solar projects, including installs in some cases and troubleshooting issues like systems going offline and inverter/component replacements.
Thor Contracting Corporation’s customer feedback specifically mentions coordination with inspections and permits as part of roofing-related projects.
Thor Contracting Corporation is listed in El Sobrante, and TSP Roofing and Solar is listed in Hercules.
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.