Thor Contracting Corporation vs Master Roofing Company
East Bay Roofing Comparison · Updated January 2026
| Thor Contracting Corporation | Master Roofing Company | |
|---|---|---|
| Rating | ★ 4.9 | ★ 5.0 |
| Years Licensed | 4 years | 17 years |
| License # | 1093228 | 921058 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | El Sobrante, CA | Oakland, CA |
| Website | thorcontractingcorporation.com | masterroofingcompany.net |
Our Analysis
Geographically, Thor Contracting Corporation is based in El Sobrante in Contra Costa County, and customer comments suggest it may take projects beyond the immediate area when arranged. Master Roofing Company is based in Oakland in Alameda County.
Service scope appears similar. Thor Contracting Corporation is referenced for roof repairs, roof installation, and maintenance, with reviews also mentioning coordination with inspections and permits and scheduling around customer timelines. Master Roofing Company is referenced for roof repairs and full replacements, as well as related tasks such as inspections, resealing, and re-roofing for homes and multi-unit properties.
Customer feedback themes overlap: both are described as professional and responsive, with notes about timely scheduling and efficient completion. Master Roofing Company reviews also mention providing options and advice rather than pushing unnecessary work, and some comments note performance over time after completion.
Why choose Thor Contracting Corporation?
- ✓ You want a Contra Costa County-based contractor (El Sobrante) and may be open to arranging work outside the immediate area.
- ✓ Your project involves roof repair, installation, or maintenance, with attention to coordinating inspections and permits.
- ✓ You value an organized process with clear communication about scope and pricing and an emphasis on jobsite cleanliness.
- ✓ You prefer a contractor listed as actively licensed with workers’ compensation and a $25,000 bond.
Why choose Master Roofing Company?
- ✓ You want an Oakland (Alameda County) roofing contractor with a longer listed licensing history (17 years).
- ✓ Your project includes roof repairs or full replacement, and may involve inspections, resealing, or re-roofing.
- ✓ You prefer a contractor described as efficient in scheduling and completion, with clear coordination from start to finish.
- ✓ You want a provider that customers say offers options and advice rather than recommending unnecessary work, while also being listed with workers’ compensation and a $25,000 bond.
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Frequently Asked Questions
Yes. Both are listed as carrying workers’ compensation coverage and maintaining a $25,000 bond.
Master Roofing Company is listed with 17 years licensed, compared with 4 years for Thor Contracting Corporation.
Coordination with inspections and permits is specifically mentioned in the information for Thor Contracting Corporation. For Master Roofing Company, inspections are mentioned, but permits are not specifically referenced in the provided data.
Master Roofing Company is described as handling work for homes and multi-unit properties. The provided information for Thor Contracting Corporation refers to residential customers but does not specifically mention multi-unit properties.
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.