Paragon Roofing vs Alpha Roofing
East Bay Roofing Comparison · Updated January 2026
| Paragon Roofing | Alpha Roofing | |
|---|---|---|
| Rating | ★ 4.9 | ★ 5.0 |
| Years Licensed | 3 years | 1 years |
| License # | 1100626 | 1129832 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | Oakland, CA |
| Website | www.paragonroofco.com | alpharoofing.com |
Our Analysis
Based on customer feedback, Paragon Roofing is hired for roof replacement and reroofing on 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. Some customers also mention Paragon handling permitting and coordinating final inspections. Service locations mentioned by customers extend beyond Concord to parts of the Bay Area, including Walnut Creek, Moraga, Vallejo, Daly City, and San Francisco.
For Alpha Roofing, customer feedback emphasizes a professional, organized process with clear communication from the initial call and estimate through completion, including explanations and regular updates. Reviews also note punctual crews, efficient scheduling, workmanship and finishing details, and cleanup. A few experiences reference responsiveness to leak concerns and timely site visits. The provided data does not list specific project scopes or service-area cities for Alpha Roofing beyond its Oakland base.
Why choose Paragon Roofing?
- ✓ You want a contractor customers associate with roof replacement/reroofing across both residential and commercial properties.
- ✓ Your project may include related components (for example vents, decking repairs, gutters, eaves, or skylights) and you prefer a single contractor to coordinate more of the scope.
- ✓ You value reported help with permitting and coordination around final inspections.
- ✓ You are located in or near Concord or in Bay Area cities customers have mentioned (including Walnut Creek, Moraga, Vallejo, Daly City, and San Francisco).
Why choose Alpha Roofing?
- ✓ You want a contractor customers describe as consistently communicative from the first call and estimate through project completion.
- ✓ You prioritize punctual crews, efficient scheduling, and a straightforward process with regular updates.
- ✓ You want responsiveness for leak concerns and timely site visits, as noted in some customer experiences.
- ✓ You prefer a contractor based in Oakland (Alameda County) and are comparing options with an active license, workers’ compensation coverage, and a $25,000 bond.
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Frequently Asked Questions
Yes. Both Paragon Roofing and Alpha Roofing are listed with active license status and workers’ compensation coverage.
Yes. Each company is listed as maintaining a $25,000 bond.
Paragon Roofing is listed as licensed for 3 years, while Alpha Roofing is listed as licensed for 1 year.
Paragon Roofing is noted by some customers as handling permitting and coordinating final inspections. The provided data for Alpha Roofing does not mention permits or inspections.
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.