Innovation Roofing System vs Sierra Roofing and Solar
East Bay Roofing Comparison · Updated January 2026
| Innovation Roofing System | Sierra Roofing and Solar | |
|---|---|---|
| Rating | ★ 5.0 | ★ 4.8 |
| Years Licensed | 6 years | 22 years |
| License # | 1063172 | 835854 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Antioch, CA | Dublin, CA |
| Website | innovationroofingsystems.com | www.sierraroofing.com |
Our Analysis
Sierra Roofing and Solar is located in Dublin, Alameda County, and has been licensed for 22 years with an active license status. It also carries workers’ compensation coverage and holds a $25,000 bond. The customer feedback summary highlights professionalism and responsiveness from estimating through completion, thorough inspections, clear explanations of findings, and detailed quotes. Work mentioned includes roof replacements, repairs, gutter projects, and solar-related services, along with attention to cleanup and follow-up communication. The summary also notes that scheduling may require planning ahead.
Side-by-side, both companies share similar baseline licensing and protection indicators (active license, workers’ comp, and bond amount). Differences center on service location, years licensed, and the range of services referenced in the summaries (roofing-focused versus roofing plus gutters and solar-related work).
Why choose Innovation Roofing System?
- ✓ You want a contractor based in Antioch (Contra Costa County) for a local roofing project.
- ✓ You prefer a process described as organized, with consultation, planning, and a final inspection.
- ✓ Clear explanations of roofing needs and project details are important for your decision-making.
- ✓ Your project is primarily roofing-focused, such as a residential or small commercial job requiring a properly licensed contractor.
Why choose Sierra Roofing and Solar?
- ✓ You want a contractor based in Dublin (Alameda County) and are comfortable coordinating from that location.
- ✓ You value longer licensing history (22 years) as one factor when comparing providers.
- ✓ You want services referenced beyond roofing, including gutters and solar-related work.
- ✓ You prefer detailed inspections and itemized quotes, and you can plan ahead if scheduling lead time is needed.
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Frequently Asked Questions
Yes. Both Innovation Roofing System and Sierra Roofing and Solar are listed with an active license status in the provided data.
Both companies carry workers’ compensation coverage and each holds a $25,000 bond, based on the provided information.
Innovation Roofing System is based in Antioch, Contra Costa County, California. Sierra Roofing and Solar is based in Dublin, Alameda County, California.
Innovation Roofing System’s summary focuses on roofing work and the consultation-to-final-inspection process. Sierra Roofing and Solar’s summary mentions roof replacements, repairs, gutter projects, and solar-related services, along with inspections, quotes, and cleanup.
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.