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Citadel Roofing And Solar vs Gomaxxx Inc

Solano Solar Contractors Comparison · Updated March 2026

Quick Verdict

Citadel brings 34 years of veteran experience with comprehensive repair expertise, while Gomaxxx offers owner-operated service with competitive pricing and faster installations.

Citadel Roofing And Solar: Veteran contractor with three decades of experience specializing in complex solar diagnostics, repairs, and comprehensive roofing-solar integration across Northern California.
Gomaxxx Inc: Owner-operated solar installer with eight years of experience focused on straightforward residential installations with competitive pricing and quick turnarounds.
Citadel Roofing And Solar Gomaxxx Inc
Rating 4.7 5.0
Years Licensed 34 years 8 years
License # 647149 1032117
Workers' Comp ✓ Yes ✓ Yes
Bond Amount $25,000 $25,000
Location Vacaville, CA Benicia, CA
Website www.citadelrs.com www.gomaxxx.com

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Key Differences

The 26-year experience gap translates to fundamentally different capabilities. Citadel's three decades in business means they've navigated multiple generations of solar technology, handle complex diagnostics that stump other contractors, and manage combined roofing-solar projects where structural issues can complicate installations. Their service portfolio extends beyond installations to include inverter repairs, microconverter troubleshooting, warranty work for systems installed by other companies, and battery backup integration. Gomaxxx focuses specifically on new residential solar installations with an owner-operated model that eliminates markup layers, resulting in pricing customers consistently describe as significantly lower than competitors. Their eight years establishes competency, but the scope is narrower: system design, panel evaluation, and installation rather than complex repairs or roofing integration. Customer feedback reveals this operational difference—Citadel customers mention solving problems other contractors failed to fix, while Gomaxxx customers emphasize straightforward projects completed faster and cheaper than quotes from larger companies.

What Customers Say

Citadel Roofing And Solar

Customers emphasize Citadel's ability to diagnose and resolve complex technical problems that other solar contractors failed to fix, with particular praise for inverter troubleshooting and system connectivity expertise.

Gomaxxx Inc

Customers highlight Gomaxxx's competitive pricing significantly below other bids, combined with professional installation work completed faster than competing timelines and clear communication without sales pressure.

Key Takeaway: Citadel customers needed problem-solving expertise for malfunctioning systems, while Gomaxxx customers prioritized cost-effective new installations with straightforward execution and personal attention.

Customer Reviews

Citadel Roofing And Solar

Jan 2026

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...

Jan 2026

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...

Jan 2026

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.

Gomaxxx Inc

Jun 2024

Mr Hoffmann was very nice and he is very patient and very nice job.

Jun 2024

Gomaxxx gave a fair price and made my solar installation, utterly painless. They showed up when they said they would and operated professionally especially while interacting with my tenants. I woul...

May 2023

So professional, calm, timely, cost sensitive. Great process to understand our need and goal. Highly recommend!!!

Consider Citadel Roofing And Solar if...

  • Your roof is older or may need replacement concurrent with solar installation, requiring integrated expertise in both disciplines
  • You're installing battery backup systems like Powerwall that require advanced electrical integration and troubleshooting capabilities
  • Your project involves complex diagnostic needs, unusual roof configurations, or you anticipate needing long-term service support for repairs and warranty claims
  • You want a contractor with documented experience resolving issues that stumped other solar companies, particularly with inverter and system connectivity problems
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Consider Gomaxxx Inc if...

  • Your project is a straightforward residential solar installation on a newer roof without structural concerns or complex electrical panel upgrades
  • Competitive pricing is a primary factor and you've received higher quotes from larger solar companies for comparable systems
  • You value direct communication with the business owner throughout the project rather than working through project managers or sales teams
  • You want faster installation timelines and appreciate a streamlined, no-pressure sales approach without extended decision processes
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Questions to Ask Before Hiring

  • Ask Citadel how their pricing compares to Gomaxxx for your specific system size and whether their additional experience translates to value for a standard installation versus complex repair capabilities you may not need
  • Ask Gomaxxx about their capacity to handle post-installation repairs and system troubleshooting over the system's 25-year lifespan, and whether they service all equipment manufacturers
  • Confirm with both companies how they handle warranty claims if equipment fails and what their response time is for service calls after installation is complete

The Bottom Line

If your project is a standard residential solar installation on a sound roof and competitive pricing matters, Gomaxxx delivers professional owner-operated service with faster timelines and lower costs that customers consistently praise. Choose Citadel if you're combining roofing work with solar, installing battery backup systems, have complex electrical needs, or want a contractor with three decades of diagnostic expertise who can troubleshoot problems other companies can't solve. The experience gap is real and translates to different capabilities—pay for Citadel's veteran expertise when your project complexity or long-term support needs justify it, but don't overpay for capabilities you won't use on a straightforward installation where Gomaxxx excels.

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Frequently Asked Questions

For straightforward installations on newer roofs, the experience premium may not deliver proportional value. However, if your roof needs work, you're adding battery storage, or you anticipate needing diagnostic support over your system's lifetime, that three decades of troubleshooting expertise becomes relevant. Ask Citadel specifically what their pricing includes and whether their bid reflects services beyond what Gomaxxx offers.

Gomaxxx focuses on residential solar installations rather than the comprehensive repair and roofing integration Citadel provides. Their eight years demonstrates competency for standard projects, but customer feedback doesn't mention complex diagnostics or multi-system integration. If your project involves roof replacement, unusual electrical configurations, or battery backup beyond standard installations, ask Gomaxxx directly about their experience with your specific requirements.

Customer feedback indicates Gomaxxx consistently quotes significantly below competitors, likely including larger companies like Citadel. The owner-operated model eliminates markup layers that veteran companies with broader service departments typically carry. Request detailed quotes from both to compare not just price but what's included—Gomaxxx may focus on installation costs while Citadel's quote might bundle longer-term service commitments or warranty coverage.

Citadel explicitly handles repairs for systems installed by other contractors, troubleshoots complex inverter issues, and services multiple equipment manufacturers with 34 years of technology evolution experience. Gomaxxx focuses on new installations, and while they provide post-installation monitoring, customer feedback emphasizes the installation phase rather than ongoing repair services. If you anticipate needing diagnostic support over decades, ask Gomaxxx specifically about their repair service capacity and response times.

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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 11, 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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