Calisco Roofing vs Bay Valley Roofing & Solar
East Bay Roofing Comparison · Updated January 2026
| Calisco Roofing | Bay Valley Roofing & Solar | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.8 |
| Years Licensed | 3 years | 13 years |
| License # | 1105093 | 982745 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Brentwood, CA | Concord, CA |
| Website | caliscoroofing.com | www.bayvalleyroofing.com |
Our Analysis
Bay Valley Roofing & Solar is based in Concord and is described as handling roof replacement, repair, and combined roofing-and-solar projects. Reviews emphasize a professional, organized process with thorough inspections, detailed explanations of options, and documentation helpful when customers are not on-site. Workmanship and attention to detail are noted, including addressing underlying roof conditions discovered during replacement and completing follow-up visits when needed. Both companies list active license status, workers’ compensation coverage, and a $25,000 bond; Bay Valley Roofing & Solar has a longer licensing history (13 years vs. 3 years).
Why choose Calisco Roofing?
- ✓ You want a Brentwood-based contractor serving nearby areas within Contra Costa County.
- ✓ Your project involves common residential roofing needs such as inspections, leak repairs, maintenance, or full roof replacement.
- ✓ You’re looking for experience with specific roof types and tasks referenced by customers (e.g., low-slope, tile maintenance/repairs, PVC membrane, torch-down, gutters, vents/flashing).
- ✓ You value documentation and communication practices described by customers, such as before-and-after photos, clear scope discussions, and orderly cleanup.
Why choose Bay Valley Roofing & Solar?
- ✓ You prefer a Concord-based contractor with a longer licensing history (13 years) and an active license.
- ✓ Your scope may include roof replacement or repair with a structured, step-by-step process from estimate through completion.
- ✓ You are considering combined roofing-and-solar work, which is specifically referenced in customer descriptions.
- ✓ You want an approach that includes detailed explanations, project coordination, documentation for off-site customers, and follow-up visits when needed.
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Frequently Asked Questions
Yes. Both list workers’ compensation coverage and a $25,000 bond, and both have active license status.
Bay Valley Roofing & Solar has been licensed for 13 years, while Calisco Roofing has been licensed for 3 years.
Bay Valley Roofing & Solar is described by customers as handling combined roofing-and-solar projects in addition to roofing replacement and repair.
Customer-referenced examples include low-slope roofing, tile roof maintenance and repairs, PVC membrane roofing, torch-down roofing, gutter cleaning, and roof vent/flashing installation, along with inspections, leak repairs, maintenance, and roof replacement.
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.