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All Bay Solar Construction vs Luminalt Solar Energy Solutions
San Francisco Solar Contractors Comparison · Updated March 2026
Both veteran contractors with identical credentials, but All Bay integrates roofing with solar while Luminalt specializes exclusively in solar energy.
| 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 All Bay's coordinated approach to combined roofing and solar projects, with positive mentions of site protection and professional integrated crews handling both aspects.
Luminalt Solar Energy Solutions
Customers highlight Luminalt's diagnostic capabilities and long-term system performance, with satisfaction expressed years after installation and praise for handling complex Victorian installations.
Key Takeaway: All Bay's feedback centers on project coordination and dual-trade professionalism, while Luminalt's reviews emphasize specialized solar expertise and sustained system performance over time.
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 work before solar installation, making a single contractor for both projects simpler and potentially more cost-effective
- ✓ You want one point of contact managing the interconnected aspects of roofing structure and solar mounting, avoiding coordination issues between separate roofing and solar companies
- ✓ Your project involves complex roof tear-off work alongside solar, where integrated crews can sequence work more efficiently
- ✓ You value the convenience of combined warranties and accountability for both the roof integrity and solar installation
Consider Luminalt Solar Energy Solutions if...
- ✓ Your roof is in good condition and your project is purely solar panels, battery storage, or system upgrades where specialized solar expertise matters most
- ✓ You own a Victorian or architecturally complex home where Luminalt's specific experience with challenging San Francisco installations is relevant
- ✓ You're interested in advanced solar configurations like net-positive energy systems or sophisticated battery integration
- ✓ You value 21 years of focused solar market experience and customer mentions of long-term system performance and diagnostic capabilities
Questions to Ask Before Hiring
- → Ask All Bay how they handle warranty responsibilities when both roofing and solar work is involved, and whether roof and solar warranties are separate or integrated
- → Ask Luminalt whether they inspect roof condition during consultation and what happens if roof issues are discovered that require a separate roofing contractor
- → Request references from both companies for projects similar to yours in scope, asking specifically about how well systems have performed 3-5 years after installation
- → Clarify each company's process for handling electrical panel upgrades and permitting, as both companies work in San Francisco's complex regulatory environment
The Bottom Line
Choose All Bay Solar Construction if your project involves roof replacement or if you're uncertain about your roof's condition before solar installation—their integrated model provides simpler coordination and unified accountability for both systems. Choose Luminalt Solar Energy Solutions if your roof is sound and you want purely solar expertise, particularly for architecturally challenging homes or advanced battery systems where their 21 years of solar-only focus delivers specialized value. Both are credentialed veteran contractors with strong communication track records. The decision hinges on whether you need roofing services bundled with solar or prefer a solar specialist. Schedule consultations with both to assess your roof condition and compare proposals directly.
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Frequently Asked Questions
If your roof genuinely needs replacement or repair, All Bay's integrated approach eliminates coordination headaches and provides single-source accountability for how roofing work affects solar performance. However, if your roof is sound and doesn't need work, paying for integrated services you don't need makes less sense than Luminalt's specialized solar focus. Have both companies assess your roof condition during consultation before deciding.
Both companies qualify as veteran-tier contractors with deep San Francisco market knowledge. The 21 versus 15 year difference is less significant than the specialization difference—Luminalt's two decades are exclusively solar-focused, while All Bay's 15 years span integrated roofing-solar projects. Choose based on project scope rather than this experience gap.
This scenario favors starting with All Bay's consultation, since their integrated model means they'll assess both roof condition and solar feasibility together. If they determine your roof is fine, you can still get competing bids from Luminalt. Starting with a solar-only company risks discovering roof issues mid-project that require bringing in a separate contractor.
Both companies handle battery storage installations, with customers mentioning successful projects from each. Luminalt's reviews specifically reference complex solar-plus-battery combinations and net-positive systems, suggesting slightly deeper expertise in advanced energy storage configurations. For straightforward battery additions, both have demonstrated capability.
Looking for the Best?
See our ranked list of top solar contractors in San Francisco.
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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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