Calisco Roofing vs Renergy Roofing
East Bay Roofing Comparison · Updated January 2026
| Calisco Roofing | Renergy Roofing | |
|---|---|---|
| Rating | ★ 5.0 | ★ 5.0 |
| Years Licensed | 3 years | 1 years |
| License # | 1105093 | 1127157 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Brentwood, CA | Walnut Creek, CA |
| Website | caliscoroofing.com | renergyroofing.com |
Our Analysis
Renergy Roofing is based in Walnut Creek and has been licensed for 1 year with an active status. It also carries workers’ compensation and maintains a $25,000 bond. Customer feedback emphasizes professional, organized project management, clear communication from estimate to completion, punctual scheduling, and efficient execution. Reviews also mention guidance on materials and roofing components, including recommendations aligned with future solar panel plans. Both companies are described as responsive to urgent leak concerns and as maintaining clean job sites, but Calisco’s data includes more specific examples of roofing systems and related tasks.
Why choose Calisco Roofing?
- ✓ You want a Brentwood-based contractor serving the surrounding Contra Costa County area.
- ✓ You value detailed inspections and documentation (including before-and-after photos) as part of the process.
- ✓ Your project involves specific items mentioned in customer examples, such as PVC membrane, torch-down, low-slope work, tile maintenance/repairs, or vent/flashing installation.
- ✓ You want a contractor with 3 years of licensing history, plus workers’ compensation coverage and a $25,000 bond.
Why choose Renergy Roofing?
- ✓ You prefer a Walnut Creek-based contractor within Contra Costa County.
- ✓ You want a process described as organized and efficient, with punctual scheduling and clear estimate-to-completion communication.
- ✓ You’d like guidance on materials and components, including considerations tied to future solar panel plans.
- ✓ You want an actively licensed contractor with workers’ compensation coverage and a $25,000 bond, and you’re comfortable with 1 year of licensing history.
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Frequently Asked Questions
Yes. Both Calisco Roofing and Renergy Roofing have active license status and carry workers’ compensation coverage, and each maintains a $25,000 bond.
Yes. The provided information indicates customers contact both companies for estimates and for responsiveness when urgent leak concerns arise, in addition to scheduled roofing work.
Calisco Roofing has been licensed for 3 years, while Renergy Roofing has been licensed for 1 year.
Customer-referenced examples for Calisco Roofing 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.