Calisco Roofing vs Sierra Roofing and Solar
East Bay Roofing Comparison · Updated January 2026
| Calisco Roofing | Sierra Roofing and Solar | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.8 |
| Years Licensed | 3 years | 22 years |
| License # | 1105093 | 835854 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Brentwood, CA | Dublin, CA |
| Website | caliscoroofing.com | www.sierraroofing.com |
Our Analysis
Sierra Roofing and Solar is based in Dublin (Alameda County) and has been licensed for 22 years, also with an active license, workers’ compensation coverage, and a $25,000 bond. Customer feedback highlights professional, responsive service from estimate through completion, thorough inspections, clear explanations, and detailed quotes outlining scope. Reviews mention workmanship across roof replacements, repairs, gutter projects, and solar-related services, along with attention to cleanup and keeping customers informed. Some customers note scheduling may require planning ahead, suggesting lead times can be a consideration depending on timing and project urgency.
Why choose Calisco Roofing?
- ✓ You’re located in or near Contra Costa County and want a contractor operating from Brentwood.
- ✓ Your project matches the residential services and examples customers mention (leak response, maintenance, replacement, low-slope, tile, PVC membrane, torch-down, vents/flashing, gutter cleaning).
- ✓ You value frequent communication about options, scope, and pricing, plus documentation such as before-and-after photos.
- ✓ You want a contractor with an active license, workers’ comp coverage, and a $25,000 bond, and you’re comfortable with a 3-year licensing history.
Why choose Sierra Roofing and Solar?
- ✓ You’re located in or near Alameda County and prefer a contractor based in Dublin.
- ✓ You want a longer licensing history (22 years) while still having an active license, workers’ comp coverage, and a $25,000 bond.
- ✓ Your needs include roofing plus gutter work, and you may also be exploring solar-related services.
- ✓ You’re comfortable planning ahead for scheduling if your project timeline is flexible, while still expecting detailed quotes and clear updates during the job.
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Frequently Asked Questions
Yes. Both list an active license status, carry workers’ compensation coverage, and maintain a $25,000 bond.
Sierra Roofing and Solar has been licensed for 22 years, while Calisco Roofing has been licensed for 3 years.
Calisco Roofing is based in Brentwood in Contra Costa County. Sierra Roofing and Solar is based in Dublin in Alameda County.
Sierra Roofing and Solar is described as providing solar-related services in addition to roofing and gutter projects.
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.