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Sierra Roofing And Solar vs Sun Light & Power
Alameda Solar Contractors Comparison · Updated March 2026
Sierra Roofing specializes in traditional roofing while Sun Light & Power focuses exclusively on solar systems, making this a project-type decision rather than a competitive comparison.
| Sierra Roofing And Solar | Sun Light & Power | |
|---|---|---|
| Rating | ★ 4.8 | ★ 4.8 |
| Years Licensed | 22 years | 49 years |
| License # | 835854 | 326203 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Dublin, CA | Berkeley, CA |
| Website | www.sierraroofing.com | www.sunlightandpower.com |
Key Differences
What Customers Say
Sierra Roofing And Solar
Customers consistently praise Sierra Roofing for thorough roof inspections, clear explanations of leak causes and repair options, and professional communication throughout roofing projects.
Sun Light & Power
Customers highlight Sun Light & Power's technical competence in solar installations, realistic performance projections without overselling, and ability to repair systems from other installers.
Key Takeaway: Sierra's feedback centers on roofing craftsmanship and leak diagnostics, while Sun Light & Power's reviews emphasize specialized solar technical expertise and long-term system support.
Customer Reviews
Sierra Roofing And Solar
Excellent workmanship. They had exactly the materials we wanted for our roof. We're very considerate and, all things considered, quiet. Did an excellent job of cleaning up after they had left. Great f...
Robert was prompt and professional. Explained clearly what he found to be the cause of the leak and how to fix it. He gave me recommendations on maintenance for my ceramic tile roof but I never felt p...
Robert did a great job getting here on time and checking out my roofing issues
Sun Light & Power
I'm on my fourth project with SL&P and I have to say that they are one of the very best contracting companies I have worked with. They are very thorough and attentive to detail. The workmanship has b...
Here are my criteria for choosing a solar vendor: Long-lived company: ✅ Competitive pricing: ✅ (similar to another bid we got, and in line with local data) Good communication: ✅ (no BS, ever ...
This team is very thorough and detail oriented - as you want when having something installed on your house that is supposed to function for over 25 years. They have been around a long time and will be...
Consider Sierra Roofing And Solar if...
- ✓ Your primary need is roof repair, leak diagnosis, or a full roof replacement, with solar as a secondary consideration that can be bundled under one contractor.
- ✓ You're installing gutters, addressing water intrusion issues, or need emergency mitigation during heavy rain—core roofing problems where Sierra's 22 years of experience apply directly.
- ✓ You prefer working with a single contractor for combined roofing and solar projects rather than coordinating between separate specialists.
- ✓ You're located in Dublin or eastern Alameda County and value a contractor based nearby, though you should plan ahead for scheduling during busy periods.
Consider Sun Light & Power if...
- ✓ Your project is exclusively solar-related: new photovoltaic installation, battery backup, inverter replacement, or system troubleshooting and upgrades.
- ✓ You have an existing solar system installed by another company that's no longer available for service, and need repairs or upgrades from a contractor with the technical depth to diagnose and fix systems they didn't install.
- ✓ You value specialized solar expertise backed by 49 years of continuous operation in an industry where many installers have disappeared, providing confidence in long-term warranty support.
- ✓ You're planning a complex solar installation requiring steep roof work, custom mounting, or integration with existing systems, where Sun Light & Power's exclusive focus translates to deeper technical experience.
Questions to Ask Before Hiring
- → If considering Sierra for solar work, ask what percentage of their projects involve solar installations and how long they've been offering solar services beyond roofing.
- → If considering Sun Light & Power for a project that involves both roofing and solar, ask whether they coordinate with roofing contractors and how that process typically works.
- → Ask both companies for references from projects similar to yours in scope and complexity, particularly if your project involves both roofing and solar elements.
- → Confirm warranty terms for both the installation work and the equipment, and verify who will honor those warranties if issues arise years from now.
The Bottom Line
This comparison hinges entirely on your project type. If you need roof repairs, leak diagnosis, full replacement, or gutter work—with or without solar—Sierra Roofing And Solar is the clear choice, offering 22 years of roofing expertise with the option to bundle solar services. If your project is exclusively solar installation, battery backup, system repairs, or upgrades, Sun Light & Power's 49 years of specialized solar focus makes them the appropriate contractor, particularly for complex installations or servicing systems from other installers. For combined projects, decide whether single-contractor convenience or maximum specialization in each discipline matters more to your situation and risk tolerance.
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Frequently Asked Questions
Sierra offers solar services and has completed combined roofing-and-solar projects, but their 22-year history centers on roofing expertise. If your solar installation is straightforward and bundling with roof work is convenient, they can handle it. For complex solar systems, battery integration, or situations where long-term solar-specific support matters, Sun Light & Power's 49 years of exclusive solar focus provides deeper specialization.
Sun Light & Power specializes exclusively in solar systems and does not perform traditional roofing services. If your project requires roof repairs, replacement, or structural work before or alongside solar installation, you'll need to hire a separate roofing contractor. Ask them about contractors they typically coordinate with if your project involves both disciplines.
Sun Light & Power's 49-year history and employee-owned structure demonstrate long-term stability in an industry where many installers have closed. They actively service systems they installed decades ago and repair systems from defunct companies. Sierra Roofing's 22-year track record is solid for roofing work, but for solar-specific service longevity, Sun Light & Power's specialized focus and industry tenure offer stronger assurance.
Sierra can bundle both services under one contract, simplifying coordination and potentially offering package pricing. However, hiring Sun Light & Power for solar alongside a dedicated roofing contractor gives you maximum specialization in each discipline. The right choice depends on whether you prioritize convenience and single-point accountability or specialized expertise in each area, particularly if your solar installation is complex.
Looking for the Best?
See our ranked list of top solar contractors in Alameda.
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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 12, 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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