Acker Roofing vs Sierra Roofing and Solar
East Bay Roofing Comparison · Updated January 2026
| Acker Roofing | Sierra Roofing and Solar | |
|---|---|---|
| Rating | ★ 4.9 | ★ 4.8 |
| Years Licensed | 12 years | 22 years |
| License # | 993338 | 835854 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Concord, CA | Dublin, CA |
| Website | ackerroofing.com | www.sierraroofing.com |
Our Analysis
Sierra Roofing and Solar is located in Dublin in Alameda County and has been licensed for 22 years with an active status. Customer descriptions emphasize roofing replacements and repairs, and also mention gutter projects and solar-related services. Reviews commonly reference thorough inspections, detailed quotes that outline scope, and cleanup after the job. Communication during consultations, project execution, and follow-up visits is a recurring theme. Some customers note that scheduling may require planning ahead. Both companies carry workers’ compensation coverage and maintain a $25,000 bond, and both are described as responsive from estimate through completion.
Why choose Acker Roofing?
- ✓ You want a Concord/Contra Costa County-based contractor and prefer a company that commonly serves that area.
- ✓ Your project includes residential roof repair or a full replacement with tear-off, plus inspection or roof cleaning.
- ✓ You need help with time-sensitive issues like leaks during heavy rain or storm-related damage, including insurance-related inspections/documentation.
- ✓ Your roofing work needs coordination with solar panel removal/reinstallation or related items like dry rot repair or attic insulation blow-in.
Why choose Sierra Roofing and Solar?
- ✓ You prefer a Dublin/Alameda County-based contractor and value longer licensing history (22 years).
- ✓ Your scope includes roofing replacement or repair along with related work such as gutters or solar-related services.
- ✓ You want detailed, scope-specific quotes and an inspection process that customers describe as thorough.
- ✓ Your timeline is flexible enough to plan ahead if scheduling availability is limited at certain times.
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Frequently Asked Questions
Yes. Both are listed with active license status, carry workers’ compensation coverage, and maintain a $25,000 bond.
Acker Roofing is based in Concord in Contra Costa County. Sierra Roofing and Solar is based in Dublin in Alameda County.
Acker Roofing is referenced by customers as coordinating roofing work with solar panel removal and reinstallation. Sierra Roofing and Solar is described as handling solar-related services.
Customer accounts for Acker Roofing mention dry rot repair and attic insulation blow-in in addition to roofing. Customer accounts for Sierra Roofing and Solar mention gutter projects alongside roofing and solar-related work.
Other East Bay Roofing Comparisons
Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified January 15, 2026.
This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.