Thor Contracting Corporation vs Astro Roofing Inc
East Bay Roofing Comparison · Updated January 2026
| Thor Contracting Corporation | Astro Roofing Inc | |
|---|---|---|
| Rating | ★ 4.9 | ★ 5.0 |
| Years Licensed | 4 years | 11 years |
| License # | 1093228 | 1001992 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | El Sobrante, CA | Oakland, CA |
| Website | thorcontractingcorporation.com | astroroofinginc.net |
Our Analysis
Service scope described in feedback overlaps substantially. Both are hired for roof repairs, roof installation/replacement, and maintenance-related work. Thor’s feedback also references coordination with inspections and permits and scheduling work to meet customer timelines, along with general project support when requested. Astro’s feedback similarly emphasizes clear communication and guided, step-by-step explanations, and it specifically mentions responsiveness for leak-related needs and weather damage.
In terms of location, Thor is based in El Sobrante in Contra Costa County, and comments suggest it may take projects beyond the immediate area when arranged. Astro is based in Oakland in Alameda County. Jobsite-related themes are also similar: Thor is frequently associated with organized processes and clean jobsite practices, while Astro is often described as respectful on site and efficient in execution, including on smaller tasks such as gutter cleaning.
Why choose Thor Contracting Corporation?
- ✓ You want a contractor based in El Sobrante (Contra Costa County), with indications it may take projects outside the immediate area when arranged.
- ✓ Your project may involve coordination with inspections and permits, as this is specifically referenced in customer feedback.
- ✓ You’re looking for roofing work such as repairs, installation, or maintenance, with an emphasis in feedback on scheduling and turnaround time.
- ✓ You value jobsite organization and cleanliness, which are recurring themes in how customers describe the work process.
Why choose Astro Roofing Inc?
- ✓ You prefer a contractor based in Oakland (Alameda County) with a longer reported licensing history (11 years).
- ✓ You have leak-related needs or weather-damage concerns and want a company frequently noted for fast responses in those situations.
- ✓ You want thorough inspections and estimates and a step-by-step explanation of the work, which are commonly mentioned in feedback.
- ✓ You may need smaller roofing-related tasks (such as maintenance and gutter cleaning) in addition to repairs or replacements.
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Frequently Asked Questions
Yes. Both Thor Contracting Corporation and Astro Roofing Inc report workers’ compensation coverage and a $25,000 bond, and both list an active license status.
Thor Contracting Corporation is based in El Sobrante in Contra Costa County, California. Astro Roofing Inc is based in Oakland in Alameda County, California.
Both are commonly hired for roof repairs, roof installation/replacement, and maintenance. Astro Roofing Inc is also mentioned for smaller maintenance tasks such as gutter cleaning.
Astro Roofing Inc is listed as licensed for 11 years, while Thor Contracting Corporation is listed as licensed for 4 years.
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.