Innovation Roofing System vs Alpha Roofing
East Bay Roofing Comparison · Updated January 2026
| Innovation Roofing System | Alpha Roofing | |
|---|---|---|
| Rating | ★ 5.0 | ★ 5.0 |
| Years Licensed | 6 years | 1 years |
| License # | 1063172 | 1129832 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Antioch, CA | Oakland, CA |
| Website | innovationroofingsystems.com | alpharoofing.com |
Our Analysis
On process and service style, Innovation Roofing System is described as providing on-site consultation, project planning, completion, and a final inspection, with communication about roofing needs and scope. Customer feedback commonly highlights punctual arrival, efficient work habits, and thorough attention from consultation through final inspection, along with clear explanations of roofing needs and project details.
Alpha Roofing’s customer feedback similarly emphasizes professionalism and organization, with clear communication from the initial call and estimate through completion, including regular updates during the job. Reviews also mention punctual crews, efficient scheduling, attention to workmanship and finishing details, and cleanup at the end of the project. Some experiences reference responsiveness to leak concerns and timely site visits.
Why choose Innovation Roofing System?
- ✓ You want a contractor based in Antioch/Contra Costa County and prefer a locally centered service area.
- ✓ You value a defined workflow that includes consultation, planning, completion, and a final inspection.
- ✓ You prefer detailed explanations about roofing needs and project scope to understand what is being done.
- ✓ You want a contractor with 6 years of active licensure, plus workers’ compensation coverage and a $25,000 bond.
Why choose Alpha Roofing?
- ✓ You want a contractor based in Oakland/Alameda County and prefer coordination from that area.
- ✓ You prioritize frequent updates from the initial call and estimate through project completion.
- ✓ You care about finishing details and end-of-job cleanup as part of the overall service experience.
- ✓ You want a contractor with an active license, workers’ compensation coverage, and a $25,000 bond, and you’re comfortable with 1 year of licensure.
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Frequently Asked Questions
Yes. Both Innovation Roofing System and Alpha Roofing have active license status and report having workers’ compensation coverage.
Yes. Each company lists a $25,000 bond.
Innovation Roofing System is based in Antioch, Contra Costa County, California. Alpha Roofing is based in Oakland, Alameda County, California.
Innovation Roofing System feedback often mentions punctual arrival, efficient work, and thorough attention through final inspection with clear explanations. Alpha Roofing feedback often mentions clear communication with regular updates, efficient scheduling, attention to finishing details, cleanup, and responsiveness to leak concerns.
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.