Bay Valley Roofing & Solar vs Williams Roofing
East Bay Roofing Comparison · Updated January 2026
| Bay Valley Roofing & Solar | Williams Roofing | |
|---|---|---|
| Rating | ★ 4.8 | ★ 4.6 |
| Years Licensed | 13 years | 32 years |
| License # | 982745 | 687391 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | Fremont, CA |
| Website | www.bayvalleyroofing.com | williamsroofing.net |
Our Analysis
Williams Roofing is based in Fremont (Alameda County) and has been licensed for 32 years with an active license. It is frequently referenced for roof repairs and full roof replacements, including leak-related work. Customer comments often focus on responsiveness, timely scheduling, and clear communication, along with a straightforward approach to recommendations. Reviews also mention fair pricing and that the company does not push unnecessary work. Both companies are described as professional and reliable, with differences mainly in location, tenure, and whether solar-integrated roofing is part of the stated offering.
Why choose Bay Valley Roofing & Solar?
- ✓ You want roofing work that may include solar components (for example, solar shingle installations) alongside roof replacement or repair.
- ✓ You value a process that includes inspections, documentation, and coordinated communication throughout the project.
- ✓ You may be managing the project remotely and want structured updates and paperwork.
- ✓ You’re in or near Concord or elsewhere in Contra Costa County and want a contractor serving that area.
Why choose Williams Roofing?
- ✓ You’re located in or near Fremont or elsewhere in Alameda County and want a contractor based in that area.
- ✓ You prefer a straightforward recommendation style and want to avoid feeling pushed into extra work.
- ✓ You’re focused on roof repair or full replacement, including addressing leaks, with an emphasis on responsiveness and scheduling.
- ✓ You want a contractor with a longer licensing history (32 years) and an active license status.
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Frequently Asked Questions
Yes. Both Bay Valley Roofing & Solar and Williams Roofing are listed as carrying workers’ compensation coverage and maintaining a $25,000 bond.
Bay Valley Roofing & Solar explicitly lists roofing projects that include solar components, including solar shingle installations. Williams Roofing’s provided information focuses on roof repair and replacement without mentioning solar-related roofing.
Bay Valley Roofing & Solar is based in Concord in Contra Costa County and serves customers in and around Concord and the broader Contra Costa County area. Williams Roofing is located in Fremont in Alameda County.
Bay Valley Roofing & Solar is listed as licensed for 13 years. Williams Roofing is listed as licensed for 32 years. Both licenses are shown as active.
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.