Tri Valley Roofing vs Roof By Tom
East Bay Roofing Comparison · Updated January 2026
| Tri Valley Roofing | Roof By Tom | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.8 |
| Years Licensed | 3 years | 2 years |
| License # | 1100411 | 1112980 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Castro Valley, CA | Moraga, CA |
| Website | www.trivalleyroofing.com | roofbytom.com |
Our Analysis
In terms of services described by customers, Tri Valley Roofing is associated with roof replacement, roof repairs and maintenance, gutter installation, skylight work, solar tubes, and dry rot repairs, including work on accessory structures. Customers also reference the use of photos to document conditions and progress, including for insurance-related needs.
Roof By Tom is described by customers as handling full roof replacements, overlays, leak repairs, and tile-roof repairs, with some mentions of gutter work and assistance related to water damage. Customer commentary for both companies commonly mentions professional conduct, timely scheduling, clear explanations, and jobsite cleanliness. The provided information for Roof By Tom also notes that a small number of customers reported dissatisfaction with specific outcomes or workmanship on certain jobs.
Why choose Tri Valley Roofing?
- ✓ You want a contractor based in Castro Valley serving the surrounding East Bay area.
- ✓ Your project may include add-ons beyond roofing, such as gutters, skylights, solar tubes, or dry rot repairs.
- ✓ Photo documentation for condition/progress updates (including insurance-related sharing) is important to your process.
- ✓ You prefer a company with 3 years of active licensure, plus workers’ comp and a $25,000 bond as listed.
Why choose Roof By Tom?
- ✓ You want a contractor based in Moraga (Contra Costa County) for nearby projects.
- ✓ Your needs include tile-roof repairs, leak repairs, overlays, or full roof replacement as commonly referenced by customers.
- ✓ You value straightforward communication from estimate through completion and crews that arrive on time and clean up.
- ✓ You’re comfortable weighing generally positive feedback alongside notes that a small number of customers reported dissatisfaction with specific outcomes on certain jobs.
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Frequently Asked Questions
Yes. The provided data indicates both Tri Valley Roofing and Roof By Tom carry workers’ compensation coverage and each holds a $25,000 bond.
Tri Valley Roofing is located in Castro Valley, Alameda County, California. Roof By Tom is located in Moraga, Contra Costa County, California.
Tri Valley Roofing is described by customers as doing skylight work and related improvements such as solar tubes.
Roof By Tom is described by customers as performing tile-roof repairs and roof overlays, in addition to replacements and leak repairs.
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.