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All Bay Solar Construction vs Luminalt Solar Energy Solutions
San Francisco Electrical Contractors Comparison · Updated March 2026
Luminalt brings six additional years of solar-specific expertise, while All Bay offers the advantage of integrated roofing and solar coordination under one contractor.
| 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
All Bay customers emphasize the convenience and quality of integrated roofing and solar projects, with particular praise for daily site care, protecting homes during dual-trade work, and meticulous coordination between roofing and electrical crews.
Luminalt Solar Energy Solutions
Luminalt customers highlight smooth project processes from consultation through completion, attention to detail on challenging installations, and long-term system performance with responsive support for diagnostics and technical issues.
Key Takeaway: All Bay's feedback centers on managing the complexity of combined roofing and solar work under one contractor, while Luminalt's reviews focus on pure solar expertise and sustained system performance over multiple years.
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 roof needs replacement or significant repair before solar installation, and you want to avoid coordinating multiple contractors with overlapping work areas and schedules
- ✓ You value having a single point of accountability for both the roof integrity and solar system installation, eliminating potential disputes about responsibility for roof penetrations or leaks
- ✓ Your project timeline benefits from integrated scheduling where roofing and solar crews work in coordinated sequence rather than waiting for one contractor to finish before another can start
- ✓ You're dealing with an older roof where hidden damage might be discovered during solar preparation, requiring immediate roofing decisions from an on-site crew
Consider Luminalt Solar Energy Solutions if...
- ✓ Your roof is in good condition and your project is purely solar panels and battery storage without roofing complications
- ✓ You're tackling a challenging installation on a Victorian home or pursuing a net positive energy system where specialized solar expertise is paramount
- ✓ You value Luminalt's six additional years of exclusive solar focus and their documented long-term system performance tracking
- ✓ You prefer working with a contractor whose entire business model centers on solar technology rather than splitting focus between multiple trades
Questions to Ask Before Hiring
- → Ask All Bay how they coordinate between their roofing and solar crews, and whether both teams work for the same company or if they subcontract either service
- → Ask Luminalt what their process is if roof issues are discovered during solar assessment, and which local roofing contractors they typically coordinate with
- → Ask both companies for references from projects similar to yours in scope, particularly if you're pursuing battery storage or have a Victorian or complex roof structure
- → Ask about warranty coverage: does All Bay provide unified warranty coverage for both roof and solar work, or are they separate, and how does Luminalt's solar-only warranty compare
The Bottom Line
Choose All Bay Solar Construction if your project involves roof replacement or significant roof work alongside solar installation—their integrated model eliminates coordination headaches and provides single-source accountability for the roof-solar interface. Choose Luminalt Solar Energy Solutions if your roof is in good condition and you want a contractor whose entire 21-year focus has been exclusively on solar technology, particularly for challenging installations on Victorian homes or complex battery systems. Both are fully credentialed veterans with strong customer feedback, so the decision hinges on whether you need integrated roofing services or prefer pure solar specialization. Contact both for quotes and references matching your specific project scope.
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Frequently Asked Questions
All Bay has 15 years of solar experience integrated with roofing work, which is substantial expertise, but Luminalt's 21 years exclusively focused on solar installations does represent deeper specialization in solar technology and San Francisco solar permitting. The tradeoff is whether you value pure solar expertise or integrated project management for combined roofing and solar work. If your project is straightforward solar without roofing complications, Luminalt's specialization may offer more value.
That approach works but introduces coordination challenges: you'll need the roofer to understand solar mounting requirements, schedule two contractors sequentially, and navigate potential warranty disputes if issues arise at the roof-solar interface. All Bay's integrated model eliminates these complications by handling both trades under one contract. Ask Luminalt which roofing contractors they regularly work with if you prefer keeping them separate but want proven coordination.
Both companies are veterans with 15+ years of experience, placing them well beyond the learning curve where licensing duration significantly impacts quality. Luminalt's extra six years may provide marginally deeper knowledge of San Francisco-specific challenges and evolving solar technology, but customer feedback suggests both companies deliver high-quality installations. The choice should focus more on whether you need roofing services included rather than the six-year experience gap.
All Bay's customer feedback includes battery storage installations and electrical panel upgrades, indicating capability with solar-plus-storage systems. However, Luminalt specifically highlights net positive energy projects and Victorian home installations in their project portfolio, suggesting they actively pursue complex solar challenges. Ask All Bay directly about their experience with projects matching your specific complexity level and request comparable references.
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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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