Sierra Roofing and Solar vs A1 Home Roofing Company
East Bay Roofing Comparison · Updated January 2026
| Sierra Roofing and Solar | A1 Home Roofing Company | |
|---|---|---|
| Rating | ★ 4.8 | ★ 5.0 |
| Years Licensed | 22 years | 8 years |
| License # | 835854 | 1038281 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Dublin, CA | Orinda, CA |
| Website | www.sierraroofing.com | havealeak.com |
Our Analysis
Company B, A1 Home Roofing Company, operates from Orinda in Contra Costa County and shows 8 years of licensure with an active status, workers’ compensation coverage, and a $25,000 bond. Customer feedback centers on roofing work and the overall process, with recurring mentions of competitive quotes, clear estimates, prompt scheduling, and timely completion. Reviews reference both full roof projects and smaller jobs (such as garage roofing), plus guidance for rain-related leaks. Communication is described as helpful for keeping customers informed and answering questions, with multiple mentions of recommendations and referrals.
Why choose Sierra Roofing and Solar?
- ✓ You want a contractor in Alameda County (based in Dublin) with a longer documented licensing history (22 years) and active license status.
- ✓ Your project may include multiple exterior scopes, since customer feedback references roofing, gutters, and solar-related work.
- ✓ You value detailed inspections and explanations; reviews frequently mention on-site evaluations and clear next-step guidance.
- ✓ Cleanup and ongoing project communication are important to you; these are recurring themes in customer feedback, though some note scheduling may require planning ahead.
Why choose A1 Home Roofing Company?
- ✓ You want a contractor in Contra Costa County (based in Orinda) with an active license status and documented workers’ compensation coverage.
- ✓ Your needs are primarily roofing-focused, including full roof work or smaller projects (such as garage roofing) mentioned in customer feedback.
- ✓ You prioritize prompt scheduling and timely completion; these points come up repeatedly in customer descriptions of the process.
- ✓ You want straightforward estimates and question-and-answer communication, including guidance when dealing with rain-related leaks.
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Frequently Asked Questions
Yes. Both list workers’ compensation coverage and a $25,000 bond, and both show an active license status.
Sierra Roofing and Solar (Company A) is listed as licensed for 22 years, while A1 Home Roofing Company (Company B) is listed as licensed for 8 years.
Sierra Roofing and Solar (Company A). Customer feedback references solar-related work as well as gutter installation and repair, in addition to roofing.
Sierra Roofing and Solar (Company A) is located in Dublin, Alameda County. A1 Home Roofing Company (Company B) is located in Orinda, Contra Costa County.
Other East Bay Roofing Comparisons
Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified January 15, 2026.
This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.