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Capstone Roofing Inc vs Sun America Solar and Roofing Co
Sonoma Roofing Contractors Comparison · Updated March 2026
Both are veteran contractors with nearly identical credentials, but Capstone specializes in roofing while Sun America Solar focuses on solar installation with roofing as a secondary service.
| Capstone Roofing Inc | Sun America Solar and Roofing Co | |
|---|---|---|
| Rating | ★ 4.9 | ★ 5.0 |
| Years Licensed | 34 years | 36 years |
| License # | 629383 | 597784 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Santa Rosa, CA | Petaluma, CA |
| Website | www.capstoneroofing.biz | www.sunamericasolar.org |
Key Differences
What Customers Say
Capstone Roofing Inc
Customers consistently praise Capstone's organized process, one-day project completion speed, thorough cleanup, and clear communication from estimate through final walkthrough.
Sun America Solar and Roofing Co
Customers emphasize Sun America Solar's technical problem-solving abilities, particularly with system diagnostics and specialized roof materials like steel that accommodate solar panels.
Key Takeaway: Capstone's feedback centers on roofing project efficiency and speed, while Sun America's reviews focus on solar technical expertise and troubleshooting capabilities alongside roofing work.
Customer Reviews
Capstone Roofing Inc
These guys are amazing. They replaced the roof in one day and price was very competitive. The crew was so nice. I recommend them and would hire them again.
When I needed a new roof recently, I first turned to Capstone Roofing for an estimate. My husband and I had a new roof installed on our former home in 2001 by Capstone. Our experiences with the owner,...
The Capstone did a great job and finished in just one day! They even did some nice follow up for us by cleaning up our rain gutters.
Sun America Solar and Roofing Co
Had my solar electric system installed recently, and the whole process went really well. The team handled everything professionally, from the initial quote to the final setup. The panels look great, a...
We had a system which was not producing power installed several years ago by. now closed system installer Sun Power. The team diagnosed the problem, assisted in identifying the original equipment man...
Great work done, and good attitude. The guys were very knowledgeable and friendly. Happy to answer questions and explain things. Very open communication, and able to accommodate time delays on our en...
Consider Capstone Roofing Inc if...
- ✓ You need roofing work without any solar component and want a contractor whose entire operation is built around roof projects
- ✓ Your timeline is tight and you value the speed demonstrated in their one-day completion pattern for residential reroofs
- ✓ Your project involves flat roof repairs, leak troubleshooting, or traditional shingle replacements where dedicated roofing expertise matters
- ✓ You need coordination with insurance claims or documentation assistance, which appears frequently in their customer feedback
Consider Sun America Solar and Roofing Co if...
- ✓ You're planning solar installation now or in the near future and want a single contractor handling both the roof and panels
- ✓ Your roof is steel or another specialized material that requires specific technical knowledge for solar compatibility
- ✓ You have an existing solar system with performance issues and need diagnostic troubleshooting alongside any roof work
- ✓ You want a contractor with deep understanding of how roofing decisions affect solar panel performance and future expandability
Questions to Ask Before Hiring
- → Ask Capstone about their experience coordinating with solar installers if you plan solar work within the next few years, since their reviews mention this scenario
- → Ask Sun America whether your roofing project will be handled by their primary crew or if they subcontract standalone roofing work without solar components
- → Confirm with either company how their timeline estimates account for weather delays during Sonoma County's rainy season
- → Ask about warranty coverage differences between roof-only work and roof work done in conjunction with solar installation
The Bottom Line
If you need roofing work without solar involvement, contact Capstone Roofing Inc—they're a dedicated roofing contractor with proven speed and efficiency across all roof types. Their 34 years focused entirely on roofing projects, one-day completion pattern, and experience with everything from flat roof repairs to insurance coordination make them the straightforward choice for roof-only work. Choose Sun America Solar only if you're installing solar panels now, planning them soon, need specialized work on steel or unusual roof materials for solar compatibility, or require troubleshooting on existing solar systems. Both companies have excellent credentials and veteran experience, but their operational focus serves different homeowner needs. Don't overthink this—match your contractor's specialization to your actual project scope.
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Frequently Asked Questions
Sun America Solar does perform standalone roof replacements, as evidenced by customer reviews. However, their core business is solar installation, and roofing appears most prominently in reviews when connected to solar work or specialized situations like steel roofs. Ask them directly whether your project would receive their primary crew attention or be scheduled differently than solar-integrated jobs.
Yes, it typically does. Capstone's operation is structured entirely around roofing projects, which explains their consistent one-day completion pattern and focus on roofing-specific issues like flat roof repairs and wood damage. A dedicated roofing contractor generally has more immediate availability for roof-only work and crews specifically optimized for roofing efficiency. If solar isn't in your plans, Capstone is the more straightforward choice.
This scenario appears in Capstone's reviews, where they've coordinated timing around upcoming solar installations. You could have Capstone replace your roof now and specify that you want installation practices compatible with future solar work, or consult with Sun America Solar to ensure your new roof is optimally prepared for panels. Ask both companies specifically about structural considerations and warranty implications if solar is added later.
Not meaningfully. The difference between 34 and 36 years is negligible when both are in the veteran tier. What matters more is how they've spent those decades: Capstone focused on roofing across all project types, while Sun America built expertise in solar installation with roofing as a supporting capability. Choose based on what your project actually needs, not the two-year experience gap.
Looking for the Best?
See our ranked list of top roofing contractors in Sonoma.
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How We Compare Contractors
License Verification
All license data is sourced from official California CSLB records and verified regularly.
Review Analysis
Customer reviews are aggregated from Google and analyzed to identify patterns in service quality.
Detailed Comparison
We analyze credentials, insurance, experience, and feedback to highlight meaningful differences.
Not all licensed contractors are created equal. While a valid license is the baseline requirement in California, contractors can vary significantly in experience, insurance coverage, and customer satisfaction.
- Experience matters: A contractor with 15+ years of experience has likely encountered and solved problems that newer contractors haven't faced yet.
- Workers' compensation protects you: If a contractor without workers' comp insurance has an employee injured on your property, you could be held liable.
- Reviews reveal patterns: Individual reviews can be misleading, but patterns across many reviews often reveal a contractor's true strengths and weaknesses.
- Bond amounts vary: A contractor's bond provides financial protection if they fail to complete work as agreed. Higher bonds offer more protection.
Taking time to compare contractors on these factors can save you from costly mistakes and help ensure your project is completed by a qualified professional.
Data Sources: License information from California CSLB. Ratings and reviews from Google. Last verified March 09, 2026.
This comparison is based on publicly available information. We recommend getting multiple quotes and verifying all credentials directly before hiring.
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