Roof By Tom vs Star Waterproofing and Roofing
East Bay Roofing Comparison · Updated January 2026
| Roof By Tom | Star Waterproofing and Roofing | |
|---|---|---|
| Rating | ★ 4.8 | ★ 4.3 |
| Years Licensed | 2 years | 8 years |
| License # | 1112980 | 1036279 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Moraga, CA | Walnut Creek, CA |
| Website | roofbytom.com | www.starwaterproofingco.com |
Our Analysis
Star Waterproofing and Roofing (Walnut Creek) has been licensed for 8 years and is frequently described as knowledgeable in diagnosing leaks and explaining recommended repairs. Customer feedback commonly references detailed estimates, clear communication, and responsiveness during scheduling and execution. Reviews also point to work beyond typical pitched-roof residential repairs, including decks, balconies, and flat or low-slope roofs, as well as projects for multi-unit and commercial buildings. Some customers mention follow-up support after completion. For both companies, a small number of customers report dissatisfaction related to outcomes or communication, indicating that experiences can vary by project.
Why choose Roof By Tom?
- ✓ You want a Moraga-based contractor and a focus on residential roof repair or replacement work in the surrounding area.
- ✓ Your project involves common home roofing tasks mentioned in feedback, such as roof replacements, overlays, tile repairs, or asphalt shingle installation.
- ✓ You also need related exterior work that customers reference, such as gutter replacement/installation.
- ✓ You value a process that often includes an on-site evaluation, an estimate, and completion over a short timeframe, as described by customers.
Why choose Star Waterproofing and Roofing?
- ✓ You want a Walnut Creek-based contractor with more years licensed (8 years) while still holding an active license, workers’ comp, and a $25,000 bond.
- ✓ Your issue involves leak diagnosis and you want detailed explanations and estimates, which are commonly referenced in customer feedback.
- ✓ Your project includes waterproofing-adjacent areas such as decks or balconies, or a flat/low-slope roof.
- ✓ The job may be for a multi-unit property or a commercial building, which is mentioned in customer project descriptions.
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Frequently Asked Questions
Yes. Both Roof By Tom and Star Waterproofing and Roofing have active license status and carry workers’ compensation coverage.
Yes. Both companies are listed as bonded for $25,000.
Star Waterproofing and Roofing. Customer feedback commonly mentions decks, balconies, and flat or low-slope roof projects, including work for multi-unit and commercial buildings.
Roof By Tom. Customer feedback references full roof replacements, overlays, leak repairs, tile-roof repairs, asphalt shingle installations, and related gutter replacement/installation.
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.