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Sierra Roofing And Solar vs Solarsesame
Alameda Solar Contractors Comparison · Updated March 2026
Sierra Roofing brings 22 years of licensed roofing expertise versus Solarsesame's 2 years focused primarily on solar installations.
| Sierra Roofing And Solar | Solarsesame | |
|---|---|---|
| Rating | ★ 4.8 | ★ 4.9 |
| Years Licensed | 22 years | 2 years |
| License # | 835854 | 1116168 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Dublin, CA | Hayward, CA |
| Website | www.sierraroofing.com | solarsesame.com |
Key Differences
What Customers Say
Sierra Roofing And Solar
Customers consistently praise Sierra's thorough inspections, detailed explanations of roof conditions, and professional communication throughout roofing projects.
Solarsesame
Customers emphasize Solarsesame's patient consultation approach, clear financing explanations, and smooth solar installation process with helpful online planning tools.
Key Takeaway: Sierra's feedback centers on roofing craftsmanship and diagnostic expertise, while Solarsesame's reviews focus on solar sales consultation and financing guidance rather than roofing quality.
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
Solarsesame
Yay! I got my roof and solar done just in time for rainy season. Super easy. Thank you Kerrie! Happy customer here. :)
Thank you so much you guys are amazing!I refer you guys 100%
I had excellent experience working with Kevin Feltis, sales rep from SolarSesame. Kevin was professional, knowledgeable, and patient in answering all my questions about going solar. He explained the s...
Consider Sierra Roofing And Solar if...
- ✓ Your project is roofing-focused: leak diagnosis, emergency water intrusion, roof replacement, gutter work, or tile and metal roof installation where material expertise matters.
- ✓ Your roof is older or showing signs of underlying issues that require experienced diagnosis beyond surface-level assessment.
- ✓ You want a contractor whose core business and two-decade track record centers on roofing craftsmanship rather than solar sales.
- ✓ You value detailed inspections and clear explanations of findings, which customers consistently highlight in Sierra's feedback.
Consider Solarsesame if...
- ✓ Your primary goal is solar installation and you need roofing work specifically to support that solar project rather than as a standalone roofing service.
- ✓ You're comparing financing options for solar and want extensive consultation on lease, purchase, and PPA programs with online calculators and visualization tools.
- ✓ You prefer a company whose recent entry to the market aligns with current solar technology and financing structures.
- ✓ Your roof is newer and in good condition, requiring only straightforward work without complex diagnosis or material matching.
Questions to Ask Before Hiring
- → Ask Solarsesame for references from roofing-only projects completed without solar installation, and confirm how many years their roofing crew has worked together.
- → Ask Solarsesame who supervises the roofing portion of projects and what that person's roofing-specific experience includes beyond solar integration.
- → Ask Sierra about their experience with solar roof integration if you're planning future solar work, to understand how their roofing will accommodate panels.
- → Ask both companies about scheduling availability, as Sierra's feedback mentions advance planning may be needed during busy periods.
The Bottom Line
For roofing projects, Sierra Roofing And Solar is the clear choice unless your work is specifically tied to a solar installation. Their 22 years of licensed experience means proven capability diagnosing hidden problems, handling complications, and working across roof types that a 2-year contractor simply hasn't encountered yet. Solarsesame's strength is solar consultation and installation with roofing as a supporting service. If you need a new roof, leak repair, gutter work, or complex material replacement, Sierra's veteran status provides substantially more protection against project complications. Choose Solarsesame only if your primary goal is solar installation and roofing is secondary.
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Frequently Asked Questions
Only if your project is simple and the scope is clearly defined. A newer contractor may offer competitive pricing to build their portfolio, but 20 years of additional experience becomes critical when unexpected issues arise during tear-off or when diagnosing intermittent leaks. For complex or older roofs, the experience gap is worth the potential cost difference.
The data doesn't provide enough detail about Solarsesame's roofing crew qualifications or standalone roofing project history. Their reviews emphasize solar consultation and installation rather than roofing craftsmanship. Ask them directly for references from recent roofing-only projects and confirm how long their roofing team has been together.
Not necessarily. Any quality roofer can install a roof that accommodates future solar panels. Sierra explicitly mentions solar-related services in their background and project types, suggesting familiarity with solar integration. Ask Sierra about their experience preparing roofs for solar to confirm they can handle both present roofing needs and future panel installation.
The scheduling mention for Sierra relates to advance planning during busy periods, not delays once scheduled. No data suggests Solarsesame offers faster turnaround. If you have an emergency leak, Sierra's feedback specifically highlights prompt emergency response. For planned work, ask both companies about current lead times based on your project start date.
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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 11, 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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