Williams Roofing vs Integrity Roofing Systems
East Bay Roofing Comparison · Updated January 2026
| Williams Roofing | Integrity Roofing Systems | |
|---|---|---|
| Rating | ★ 4.6 | ★ 5.0 |
| Years Licensed | 32 years | 7 years |
| License # | 687391 | 1046268 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Fremont, CA | Pleasanton, CA |
| Website | williamsroofing.net | www.integrityroofingpleasanton.com |
Our Analysis
On services and project types, both are described as providing residential roofing work, including roof repairs and full roof replacements. Williams Roofing feedback commonly references addressing leaks, completing replacements, and working on roof components such as skylights. Integrity Roofing Systems feedback often emphasizes the inspection and estimating phase, noting thorough estimates and detailed proposals that may include photos and explanations of materials and scope.
Operationally, both are described as responsive and communicative. Williams Roofing is often characterized as professional with timely scheduling and a straightforward approach to recommendations. Integrity Roofing Systems is frequently described as easy to work with, organized, and efficient, with comments about coordinated scheduling and quick turnaround for repairs and replacements. Both are also described as focusing on needed work rather than upselling.
Why choose Williams Roofing?
- ✓ You want a Fremont-based contractor serving the local Alameda County area.
- ✓ Years licensed is a key factor for you; Williams Roofing lists 32 years with an active license.
- ✓ Your project involves common residential needs like leak repairs, full replacements, or roof components such as skylights.
- ✓ You value responsiveness during scheduling and ongoing communication, along with a straightforward approach to recommendations.
Why choose Integrity Roofing Systems?
- ✓ You prefer a Pleasanton-based contractor serving Alameda County.
- ✓ You want a process that emphasizes inspection documentation, with estimates described as thorough and proposals sometimes supported by photos and material explanations.
- ✓ You prioritize organized job sites and coordinated scheduling, including efficient turnaround for repairs or replacements.
- ✓ You are looking for a consultative approach that focuses on needed work rather than upselling, along with consistent follow-through.
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Frequently Asked Questions
Yes. Both Williams Roofing and Integrity Roofing Systems list workers’ compensation coverage and a $25,000 bond.
Williams Roofing is based in Fremont, Alameda County, CA. Integrity Roofing Systems is based in Pleasanton, Alameda County, CA. Both are described as serving customers in the Alameda County area.
Both are described as handling residential roof repairs and full roof replacements. Williams Roofing feedback also references addressing leaks and work involving skylights. Integrity Roofing Systems feedback often highlights inspections, estimates, and replacement or repair projects.
Williams Roofing feedback often highlights responsiveness, timely scheduling, and straightforward recommendations during the project. Integrity Roofing Systems feedback frequently emphasizes detailed estimating and proposals, sometimes with photos and explanations, along with organized job sites and coordinated scheduling.
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.