Williams Roofing vs Roof By Tom
East Bay Roofing Comparison · Updated January 2026
| Williams Roofing | Roof By Tom | |
|---|---|---|
| Rating | ★ 4.6 | ★ 4.8 |
| Years Licensed | 32 years | 2 years |
| License # | 687391 | 1112980 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Fremont, CA | Moraga, CA |
| Website | williamsroofing.net | roofbytom.com |
Our Analysis
Roof By Tom is based in Moraga (Contra Costa County) and has been licensed for 2 years with an active license. It also carries workers’ compensation and maintains a $25,000 bond. Customer feedback frequently mentions timely scheduling, clear explanations of scope, and consistent communication from estimate through completion. Reported job types include full roof replacements, overlays, leak repairs, and tile-roof repairs, with some mentions of gutter work and help addressing water-related damage. A small number of customers report dissatisfaction with specific outcomes or workmanship, which may be a consideration depending on project complexity and expectations.
Why choose Williams Roofing?
- ✓ You want a Fremont-based contractor serving the local Alameda County area.
- ✓ Years licensed is a key screening factor for you (Williams Roofing lists 32 years, active).
- ✓ Your project includes residential leak repair, full replacement, or skylight-related roof components.
- ✓ You value a process described as responsive in scheduling and communication, with feedback noting straightforward recommendations.
Why choose Roof By Tom?
- ✓ You want a Moraga-based contractor in Contra Costa County.
- ✓ Your project aligns with work customers mention such as overlays, tile-roof repairs, leak repairs, or full replacements.
- ✓ You prioritize clear explanations of scope, on-time crews, and job-site cleanliness as described in customer feedback.
- ✓ You’re comfortable weighing generally positive feedback alongside a small number of reports of dissatisfaction on specific jobs.
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Frequently Asked Questions
Yes. Both Williams Roofing and Roof By Tom list workers’ compensation coverage and a $25,000 bond, along with active license status.
Williams Roofing lists 32 years licensed, while Roof By Tom lists 2 years licensed. Both licenses are shown as active.
Williams Roofing is referenced for residential roof repairs and replacements, including leak work and skylight-related roof components. Roof By Tom is referenced for full replacements, overlays, leak repairs, tile-roof repairs, and some gutter work.
Williams Roofing is based in Fremont in Alameda County and is described as serving customers in and around the local Alameda County area. Roof By Tom is based in Moraga in Contra Costa County.
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.