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All Bay Solar Construction vs Luminalt Solar Energy Solutions
San Francisco General Contractors Comparison · Updated March 2026
Luminalt brings six additional years of solar-specific experience, while All Bay offers the convenience of coordinated roofing and solar work under one contract.
| All Bay Solar Construction | Luminalt Solar Energy Solutions | |
|---|---|---|
| Rating | ★ 4.6 | ★ 4.7 |
| Years Licensed | 15 years | 21 years |
| License # | 962034 | 845219 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | San Francisco, CA | San Francisco, CA |
| Website | www.allbaysolar.com | luminalt.com |
Key Differences
What Customers Say
All Bay Solar Construction
Customers emphasize the convenience of coordinated roofing and solar crews, meticulous site protection during multi-phase projects, and responsive communication throughout integrated installations.
Luminalt Solar Energy Solutions
Customers highlight successful completion of challenging installations on Victorian homes, diagnostic capabilities for complex systems, and long-term satisfaction with system performance years after installation.
Key Takeaway: All Bay's feedback centers on project coordination and dual-discipline crew management, while Luminalt's reviews emphasize solar-specific technical depth and architectural problem-solving for complex properties.
Customer Reviews
All Bay Solar Construction
I am delighted to write this review for All Bay Solar Construction in recognition of their exceptional work on the Electric Panel replacement . Throughout the duration of this project, All Bay Solar C...
Had a great experience with these guys, hiring a single company to redo my roof and install solar / batteries was a good choice. Very professional crew from the roofers to the electricians, the operat...
We had an excellent experience working with All Bay for our solar installation including reroofing. They were all professionals, responsive and great problem solvers. The project manager was great, as...
Luminalt Solar Energy Solutions
We had Luminalt Solar install 29 solar panels on our Victorian in Bernal Heights ten years ago. We’re thrilled with the installation and savings on our PG&E bill every month! Our service rep, Kayla,...
Pretty smooth process from start to finish. Zero surprises.
The Luminalt team was very easy to work with, and the end result is functioning perfectly.
Consider All Bay Solar Construction if...
- ✓ Your project requires roof replacement or significant roof repair before solar installation, and you want a single contractor responsible for both the roofing integrity and solar performance
- ✓ You value the simplicity of coordinating roofing crews and solar electrical work through one point of contact rather than managing separate contractors
- ✓ Your roof may have hidden damage or structural concerns that won't be apparent until tear-off, and you need a contractor experienced in addressing roofing complications mid-project
- ✓ You want warranty clarity with one company standing behind both the roof replacement and solar installation rather than navigating split responsibility
Consider Luminalt Solar Energy Solutions if...
- ✓ Your roof is in good condition and your project focuses exclusively on solar panels and battery storage without roofing work
- ✓ You're installing solar on a Victorian home or other architecturally complex property where specialized solar experience with similar structures matters
- ✓ You value the deepest possible San Francisco solar market experience, including 21 years of navigating local building departments and utility interconnection processes
- ✓ You want a contractor whose entire business model centers on solar energy systems rather than splitting focus between roofing and solar disciplines
Questions to Ask Before Hiring
- → If considering All Bay: Ask how they handle warranty responsibility when issues could stem from either roofing or solar work, and who manages that determination
- → If considering Luminalt: Ask who they recommend for roof assessment before solar installation and how they coordinate with roofing contractors if repairs are needed mid-project
- → For both: Request references from projects completed in the past 2-3 years that match your specific scope, whether that's integrated roof-solar work or solar-only installation
- → For both: Ask about their experience with your specific roof type and any complications they've encountered with similar installations in San Francisco
The Bottom Line
If your project involves roof replacement or significant repair, All Bay's integrated approach eliminates coordination headaches and creates single-point accountability for both roofing integrity and solar performance. Their 15 years of combined roofing-solar experience specifically addresses the complexity of these interconnected systems. If your roof is sound and your focus is exclusively solar and battery systems, Luminalt's 21 years of solar-only specialization offers deeper market expertise, particularly valuable for architecturally complex properties or advanced system configurations. Both contractors demonstrate equivalent professionalism and quality execution. Base your decision on service scope: choose the integrated model if roofing work is part of your project, or choose the solar specialist if it's not.
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Frequently Asked Questions
For straightforward solar installations on sound roofs, both veteran contractors have sufficient experience to handle the work professionally. The experience gap becomes more relevant if you're tackling a complex project like a Victorian home installation, a net-positive energy system, or troubleshooting an existing solar system, where Luminalt's additional tenure and solar-only focus provides deeper diagnostic expertise. If your project involves roofing complications, All Bay's 15 years integrating both disciplines offers different but equally valuable experience.
Using separate contractors gives you specialized expertise in each discipline but creates coordination challenges around scheduling, warranty boundaries, and responsibility if problems arise at the roof-solar interface. All Bay's integrated approach simplifies project management and creates single-point accountability, which matters significantly if your roof has hidden damage discovered during tear-off or if installation issues emerge that span both roofing and solar work. If your roof is already in good condition and needs no work, this advantage disappears.
The service model differs more than the execution quality. All Bay's reviews emphasize coordination between roofing and electrical crews with careful site protection during multi-phase projects, reflecting their combined service approach. Luminalt's feedback highlights diagnostic capabilities, long-term system performance, and experience with architectural complexities, reflecting solar-only specialization. Both appear equally competent at professional solar installation; choose based on whether you need integrated roofing services or prefer a pure solar specialist.
Address the roof now if it's within 5-7 years of replacement. Removing and reinstalling solar panels when you replace the roof later costs several thousand dollars and creates unnecessary system disruption. All Bay allows you to coordinate both projects now, ensuring your roof will last the 25-year lifespan of your solar system. Going solar-only now with a roof near end-of-life means paying twice for solar installation labor and risking roof damage during the eventual replacement.
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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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