Roof By Tom vs Alpha Roofing
East Bay Roofing Comparison · Updated January 2026
| Roof By Tom | Alpha Roofing | |
|---|---|---|
| Rating | ★ 4.8 | ★ 5.0 |
| Years Licensed | 2 years | 1 years |
| License # | 1112980 | 1129832 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Moraga, CA | Oakland, CA |
| Website | roofbytom.com | alpharoofing.com |
Our Analysis
Service scope described in customer feedback differs in specificity. Roof By Tom’s feedback references a broad range of residential services, including full roof replacements, roof overlays, leak repairs, tile-roof repairs, and asphalt shingle installations. It also includes related exterior work such as gutter replacement/installation and mentions some projects that addressed interior water damage. Alpha Roofing’s feedback is less specific about roof types and add-on services, but it highlights organized project handling, clear communication, punctual crews, and attention to workmanship and finishing details, with some mentions of responsiveness for leak concerns.
Both companies are described as communicating clearly from estimate through completion and completing work with cleanup, but Roof By Tom’s feedback includes a small number of dissatisfied experiences tied to specific outcomes or workmanship.
Why choose Roof By Tom?
- ✓ You want a contractor based in Moraga and oriented toward projects in Contra Costa County.
- ✓ Your project involves specific residential services mentioned in customer feedback, such as roof overlays, tile-roof repairs, or asphalt shingle installation.
- ✓ You may need related exterior work like gutter replacement/installation or help tied to water-related damage mentioned by customers.
- ✓ You value a process described as including on-site evaluations, estimates, and scheduled work completed over a short timeframe, while noting there are some mixed experiences reported on certain jobs.
Why choose Alpha Roofing?
- ✓ You prefer a contractor based in Oakland, which may align better with projects in Alameda County.
- ✓ You want an experience described as organized, with clear communication from the initial call and estimate through completion.
- ✓ You prioritize coordination factors mentioned by customers, such as punctual crews, efficient scheduling, and regular updates during the job.
- ✓ You have leak concerns and want a company with customer feedback referencing responsiveness and timely site visits for leak-related issues.
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Frequently Asked Questions
Yes. Both Roof By Tom and Alpha Roofing are listed with active license status, workers’ compensation coverage, and a $25,000 bond.
Roof By Tom is based in Moraga and is described as serving customers in Contra Costa County, including the Moraga area.
Yes for Roof By Tom. Customer feedback mentions gutter replacement and installation. The provided Alpha Roofing feedback does not specifically mention gutter services.
Customer feedback references full roof replacements, roof overlays, leak repairs, tile-roof repairs, and asphalt shingle installations, with some projects also mentioning interior water-damage-related work.
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.