Williams Roofing vs A1 Home Roofing Company
East Bay Roofing Comparison · Updated January 2026
| Williams Roofing | A1 Home Roofing Company | |
|---|---|---|
| Rating | ★ 4.6 | ★ 5.0 |
| Years Licensed | 32 years | 8 years |
| License # | 687391 | 1038281 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Fremont, CA | Orinda, CA |
| Website | williamsroofing.net | havealeak.com |
Our Analysis
A1 Home Roofing Company is based in Orinda (Contra Costa County) and has been licensed for 8 years. It also has an active license, workers’ compensation coverage, and a $25,000 bond. Customer feedback highlights clear estimates, competitive quotes, prompt scheduling, and timely completion. The work mentioned includes full roof projects and smaller jobs such as garage roofing, as well as addressing rain-related leaks. Communication is described as informative, with explanations and question-answering during the process.
Side-by-side, both are described as professional and communicative, with similar baseline credentials (active license, workers’ comp, bond). Key differences in the provided data are years licensed and base location/service area, plus the specific job types referenced (e.g., skylights for Williams; garage roofing and rain-leak calls for A1).
Why choose Williams Roofing?
- ✓ You want a Fremont-based contractor serving Alameda County and nearby areas.
- ✓ You prefer a company with longer licensing history (32 years) as part of your screening criteria.
- ✓ Your project includes residential roof repair or replacement, including issues like leaks.
- ✓ Your scope may involve roof components such as skylights, which are specifically referenced in the provided feedback.
Why choose A1 Home Roofing Company?
- ✓ You want an Orinda-based contractor serving Contra Costa County and nearby areas.
- ✓ You value clear estimates and quotes, which are frequently mentioned in the provided summary.
- ✓ Your job could be a full roof project or a smaller scope item such as garage roofing.
- ✓ You are dealing with rain-related leaks and want a contractor described as explaining the process and answering questions.
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Frequently Asked Questions
Yes. Both are listed as having an active license status, workers’ compensation coverage, and a $25,000 bond.
Williams Roofing is listed as licensed for 32 years, while A1 Home Roofing Company is listed as licensed for 8 years.
Yes. The provided summaries reference both repair work (including leaks) and full roof replacement or full roof projects for each company.
Williams Roofing is based in Fremont in Alameda County, while A1 Home Roofing Company is based in Orinda in Contra Costa County.
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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.