A1 Home Roofing Company vs Star Waterproofing and Roofing
East Bay Roofing Comparison · Updated January 2026
| A1 Home Roofing Company | Star Waterproofing and Roofing | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.3 |
| Years Licensed | 8 years | 8 years |
| License # | 1038281 | 1036279 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Orinda, CA | Walnut Creek, CA |
| Website | havealeak.com | www.starwaterproofingco.com |
Our Analysis
A1 Home Roofing Company is based in Orinda and is described primarily as a residential roofing contractor. The data references full roof replacements and smaller residential jobs such as garage roofing, along with support for rain-related leak concerns. Customer feedback themes emphasize professional interactions, clear estimates, competitive quotes, prompt scheduling, and timely completion, with multiple mentions of customers feeling informed through explanations and Q&A.
Star Waterproofing and Roofing is based in Walnut Creek and is described in customer feedback as frequently handling leak diagnosis and repair recommendations, with work mentioned on decks, balconies, and flat or low-slope roofs. Reviews also reference multi-unit and commercial buildings, suggesting a broader set of project contexts than strictly single-family residential roofing. Feedback highlights detailed estimates, responsiveness, professionalism, and protection of surrounding areas, along with some follow-up support after completion. The data also notes that not all feedback is positive, with a few reports of dissatisfaction related to communication or service experiences.
Why choose A1 Home Roofing Company?
- ✓ You want a contractor described in the data as focused on residential roofing, including full roof replacement and smaller jobs like garage roofing.
- ✓ Your project is in Orinda or nearby East Bay communities (including work referenced in Lafayette), and you prefer a locally based option in that area.
- ✓ You value clear estimates, scheduling that is described as prompt, and communication that includes explaining the process and answering questions.
- ✓ You need help with rain-related leak concerns and want a contractor customers reference for guidance on leak issues after storms.
Why choose Star Waterproofing and Roofing?
- ✓ Your project involves leak diagnosis and repair planning, especially where detailed estimates and explanations are important to you.
- ✓ The scope includes decks, balconies, or flat/low-slope roofing, which are specifically referenced in customer feedback.
- ✓ You are evaluating work for a multi-unit or commercial building, since those project types are mentioned in the provided review summary.
- ✓ You want a contractor noted for protecting surrounding areas during construction and offering some follow-up support, while also factoring in that some customers reported communication or service concerns.
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Frequently Asked Questions
Yes. The data states both have been licensed for 8 years, have an active license status, carry workers’ compensation coverage, and maintain a $25,000 bond.
A1 Home Roofing Company is described as providing roofing services for residential properties, including full roof replacement and smaller projects such as garage roofing.
Star Waterproofing and Roofing is described in customer feedback as completing work on decks, balconies, and flat or low-slope roofs, including projects for multi-unit and commercial buildings.
A1 Home Roofing Company is based in Orinda, and Star Waterproofing and Roofing is based in Walnut Creek.
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.