Paragon Roofing vs Thor Contracting Corporation
East Bay Roofing Comparison · Updated January 2026
| Paragon Roofing | Thor Contracting Corporation | |
|---|---|---|
| Rating | ★ 4.9 | ★ 4.9 |
| Years Licensed | 3 years | 4 years |
| License # | 1100626 | 1093228 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | El Sobrante, CA |
| Website | www.paragonroofco.com | thorcontractingcorporation.com |
Our Analysis
From customer feedback, Paragon Roofing is frequently hired for roof replacement and reroofing on both residential and commercial properties. Reported scopes include full and partial replacements, removal of multiple roof layers, replacement of vents and decking, and related exterior components such as gutters, eaves, and skylights. Customers also mention help with permitting and final inspection coordination. Locations referenced by customers include Walnut Creek, Moraga, Vallejo, Daly City, and San Francisco, suggesting work across parts of the Bay Area beyond Concord.
For Thor Contracting Corporation, customer feedback emphasizes responsiveness, clear communication about scope and pricing, and an organized process from planning through completion. Reviews also mention efficient scheduling and fast turnaround times, along with clean workmanship and jobsite organization. Customers note willingness to coordinate around permits and inspections, and some mention working within budget and providing competitive bids. Specific service-area cities are not listed in the provided data beyond its El Sobrante base.
Why choose Paragon Roofing?
- ✓ You want a contractor with customer-reported experience handling broader scopes beyond roofing, such as gutters, eaves, vents, decking, and skylights.
- ✓ Your project may involve removing multiple roof layers or a mix of full and partial roof replacement work.
- ✓ You prefer a contractor that customers say coordinated permitting and final inspections as part of the process.
- ✓ Your property is in parts of the Bay Area where customers specifically mention work performed (including Walnut Creek, Moraga, Vallejo, Daly City, and San Francisco).
Why choose Thor Contracting Corporation?
- ✓ You value customer-reported responsiveness and clear communication about scope and pricing from planning through completion.
- ✓ You need efficient scheduling and a faster turnaround, as customers mention completing work within a short window.
- ✓ Jobsite organization and clean workmanship are priorities, based on recurring feedback about cleanliness and organization.
- ✓ Budget constraints matter, since some customers note the company worked within their budget and provided competitive bids.
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Frequently Asked Questions
Yes. Both Paragon Roofing and Thor Contracting Corporation are listed with active license status and workers’ compensation coverage in the provided data.
Yes. Each company is listed as maintaining a $25,000 bond.
Thor Contracting Corporation is listed as licensed for 4 years, while Paragon Roofing is listed as licensed for 3 years.
Paragon Roofing has customer-mentioned service locations that include Daly City and San Francisco, in addition to other Bay Area cities. For Thor Contracting Corporation, specific cities beyond its El Sobrante base are not provided in the data.
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.