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All Bay Solar Construction vs Occidental Power

San Francisco Solar Contractors Comparison · Updated March 2026

Quick Verdict

All Bay Solar Construction offers demonstrated solar and roofing expertise with verified customer feedback, while Occidental Power's limited review history makes assessing current performance difficult despite longer licensing tenure.

All Bay Solar Construction: Established solar and roofing specialist with 15 years' experience, strong customer feedback on communication and integrated project coordination.
Occidental Power: Longest-tenured contractor with 36 years licensed but minimal customer review history to assess current service quality or project specialization.
Note: Occidental Power's limited review history makes it difficult to verify current performance, crew quality, or project expertise despite decades of licensure.
All Bay Solar Construction Occidental Power
Rating 4.6 5.0
Years Licensed 15 years 36 years
License # 962034 591549
Workers' Comp ✓ Yes ✓ Yes
Bond Amount $25,000 $25,000
Location San Francisco, CA San Francisco, CA
Website www.allbaysolar.com www.oxypower.com

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Key Differences

The most significant difference between these contractors is verifiable current performance rather than licensing tenure alone. While Occidental Power's 36 years of continuous licensure demonstrates remarkable business longevity and regulatory compliance, the absence of substantial customer feedback makes it impossible to assess their current crew quality, project specialization, or service standards. All Bay Solar Construction, with 15 years licensed, provides extensive evidence of specialized expertise in the exact type of integrated solar-roofing work common in San Francisco. Customer feedback consistently highlights communication responsiveness, professional crews across both roofing and electrical disciplines, and meticulous installation quality. For homeowners specifically needing solar and roofing coordination, All Bay's documented specialization in managing both aspects through a single contract directly addresses the complexity of these interconnected systems. Occidental Power may have relevant experience across its three decades, but without customer feedback patterns or identified service specializations, homeowners cannot verify whether the company currently performs solar work, maintains specialized crews, or prioritizes the communication that complex dual-trade projects require.

What Customers Say

All Bay Solar Construction

Customers consistently praise clear communication, daily site care, and professional coordination between roofing and electrical crews on integrated solar projects.

Key Takeaway: All Bay Solar Construction provides extensive verifiable customer feedback on solar and roofing work, while Occidental Power's limited review history prevents assessment of current performance despite longer licensing tenure.

Customer Reviews

All Bay Solar Construction

Mar 2025

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...

May 2024

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...

Aug 2023

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...

Occidental Power

No reviews available

Consider All Bay Solar Construction if...

  • Your project combines roof replacement with solar installation and you want a contractor demonstrably experienced in coordinating both trades through one contract
  • Clear communication and regular project updates are priorities, as multiple customers specifically mention responsiveness and daily site care
  • You value verifiable recent performance with customers describing specific technical capabilities like electrical panel upgrades and battery storage integration
  • You want confirmation that both roofing and solar crews demonstrate professional workmanship, as evidenced by consistent feedback across trade disciplines
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Consider Occidental Power if...

  • You have an existing relationship with Occidental Power or direct referrals that provide performance insights the public record doesn't show
  • The company's 36-year licensing tenure suggests they've navigated multiple economic cycles and maintained regulatory compliance through changing requirements
  • You're willing to conduct thorough reference checking to verify current capabilities, crew stability, and relevant project experience that limited reviews don't confirm
  • You prioritize maximum licensing longevity as a stability indicator, though you'll need to independently verify current solar and roofing expertise
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Questions to Ask Before Hiring

  • Ask Occidental Power for at least three recent references from integrated solar and roofing projects, and verify they currently maintain specialized crews for both trades
  • Ask Occidental Power how long their current installation crews have been with the company and what percentage of their work involves solar projects
  • Ask All Bay Solar Construction for their typical timeline from contract signing to project completion for combined roof-solar installations
  • Ask both companies about their warranty structures for roofing work performed in coordination with solar installations and who handles future issues spanning both systems

The Bottom Line

For homeowners specifically needing integrated solar and roofing work, All Bay Solar Construction presents the clearer choice based on demonstrated specialization and verifiable recent performance in exactly this type of project. Their 15 years of focused experience, combined with consistent customer feedback on communication, crew professionalism, and technical execution, provides confidence they can handle the complexity of coordinated roof-solar installations. Occidental Power's 36-year licensing tenure demonstrates impressive longevity, but the limited review history means you cannot verify current solar capabilities, crew quality, or service standards without conducting extensive independent reference checking. Unless you have direct referrals that confirm Occidental Power's current expertise in solar-roofing projects, All Bay's documented track record makes them the more predictable choice for getting your project completed with the communication and technical coordination these complex installations require.

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Frequently Asked Questions

Licensing tenure shows business longevity, not necessarily current expertise in your specific project type. All Bay Solar Construction's 15 years includes documented specialization in integrated solar-roofing projects with verifiable customer feedback on this exact work. Occidental Power's longer tenure demonstrates stability, but without customer reviews confirming current solar capabilities or project focus, you'll need to verify their relevant experience directly through references.

This could reflect several possibilities: they may work primarily through commercial contracts or referral networks that don't generate public reviews, they may operate at lower volume, or their customer base may not typically leave online feedback. The limited review history isn't necessarily negative, but it means you'll need to do more independent verification of current performance, crew quality, and relevant project experience before signing a contract.

Fifteen years of continuous licensure represents substantial experience, particularly when focused on a specific specialty like integrated solar-roofing work. Customer feedback specifically mentions problem-solving capabilities and meticulous workmanship, suggesting they handle the complications common in Bay Area homes. For solar projects on older roofs, documented recent experience with roof tear-offs and coordinated installations may matter more than licensing tenure alone.

Both companies meet the same regulatory minimums for bonding and workers compensation, which provides baseline protection. However, your risk as a homeowner also depends on verifiable current performance, crew stability, and demonstrated expertise in your project type. All Bay's customer feedback provides evidence of how they actually perform, while Occidental Power's credentials confirm compliance but not current service quality or specialization in solar work.

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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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