Compare Local Pros
Citadel Roofing And Solar vs Sun Marshall Solar Services
Solano Solar Contractors Comparison · Updated March 2026
Citadel brings more than twice the field experience and proven customer feedback, while Sun Marshall lacks the public track record to evaluate service quality.
| Citadel Roofing And Solar | Sun Marshall Solar Services | |
|---|---|---|
| Rating | ★ 4.7 | ★ 5.0 |
| Years Licensed | 34 years | 15 years |
| License # | 647149 | 952018 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Vacaville, CA | Vallejo, CA |
| Website | www.citadelrs.com | sunmarshall.com |
Key Differences
What Customers Say
Citadel Roofing And Solar
Customers consistently praise Citadel for technical problem-solving ability, particularly resolving complex diagnostic issues other contractors could not fix, combined with reliable scheduling and clear communication throughout service calls.
Key Takeaway: Citadel has established public feedback documenting service quality patterns, while Sun Marshall's limited review history provides no visibility into customer experience, communication practices, or problem-resolution capabilities.
Customer Reviews
Citadel Roofing And Solar
My technician Tyler Jones was on time and very respectful. He explained what he was doing to connect my solar to wifi and how to log into the app to monitor my solar connectivity. Thank you for your...
I had 2 solar panel micro inverters fail and needed the warranty parts replaced. Tyler communicated when he would arrive and went over and above sending me pictures of the cracked tiles on my roof tha...
Ask for Tyler Jones he was my service Tech. He was very helpful and informative. Took time to help me understand the App and how all the solar process works. Thank you.
Sun Marshall Solar Services
No reviews available
Consider Citadel Roofing And Solar if...
- ✓ Your project involves troubleshooting an existing solar system that isn't performing correctly, particularly inverter or connectivity issues where diagnostic expertise matters more than basic installation
- ✓ You value documented evidence of customer satisfaction and want to see patterns in how a contractor communicates, schedules, and resolves problems before signing a contract
- ✓ Your solar installation will require roofing work or roof repairs, benefiting from a contractor licensed in both disciplines rather than coordinating separate companies
- ✓ You're dealing with warranty claims or equipment servicing from other manufacturers and need a contractor experienced in cross-brand support
Consider Sun Marshall Solar Services if...
- ✓ You have a direct referral from someone whose solar project Sun Marshall completed and can verify their work quality firsthand
- ✓ Price quotes differ substantially and you're willing to accept less visibility into service patterns in exchange for potential cost savings
- ✓ You're comfortable being an early public reviewer for a company without established feedback, understanding this involves additional risk assessment on your part
Questions to Ask Before Hiring
- → Ask Sun Marshall directly for references from recent solar installations similar to your project scope and follow up with those homeowners about communication, timeline accuracy, and post-installation support
- → Ask Sun Marshall how they handle complex diagnostic issues if your system underperforms after installation and what their typical response time is for service calls
- → Ask both companies about their warranty coverage terms, what they handle directly versus manufacturer warranties, and how long their current installation crews have worked together
The Bottom Line
Citadel Roofing And Solar is the clearer choice for most homeowners this week. Their 34 years of licensed experience, documented customer satisfaction patterns, and proven expertise in complex diagnostics provide substantially more confidence than Sun Marshall can offer without verifiable feedback. The dual roofing and solar licensing also simplifies accountability if installation affects your roof warranty. Consider Sun Marshall only if you obtain strong direct references from recent customers who can verify their service quality, communication practices, and problem-resolution approach—essentially filling the information gap their limited review history creates. For homeowners who need to decide quickly without extensive independent research, Citadel's established track record eliminates the uncertainty that comes with Sun Marshall's lack of public feedback.
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Frequently Asked Questions
It matters most if complications arise. A straightforward installation on a newer roof with no shading issues may not reveal the difference, but unexpected problems—roof damage discovered during panel mounting, electrical panel upgrades needed, or post-installation performance issues—benefit significantly from a contractor who has navigated these scenarios hundreds of times. Citadel's 34 years means they've seen nearly every complication that can occur, while Sun Marshall's 15 years, though substantial, represents half that problem-solving history.
This could reflect several possibilities: the company may work primarily through referrals without encouraging online reviews, they may focus on commercial projects rather than residential work that generates public feedback, or they may be a smaller operation with fewer completed projects annually. Without knowing which explanation applies, homeowners should ask Sun Marshall directly for references and expect them to provide several recent customers willing to discuss their experience.
Yes, this is actually an area where Citadel has documented customer feedback. Multiple reviews specifically mention the company successfully resolving issues that the original installer could not fix, sometimes after months of unsuccessful attempts. Their multi-manufacturer service capability and diagnostic expertise make them a viable option for troubleshooting existing systems, not just new installations.
Yes, getting multiple quotes remains valuable for price comparison and to assess each company's communication style during the consultation process. Use the quote appointments to ask Sun Marshall the reference questions suggested above, and evaluate whether their answers and professionalism during the sales process give you confidence despite the limited public feedback. If their references check out strongly, the experience gap may matter less than pricing differences for straightforward projects.
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See our ranked list of top solar contractors in Solano.
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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 13, 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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