Sierra Roofing And Solar vs Integrity Roofing Systems
Alameda Roofing Contractors Comparison · Updated March 2026
Sierra Roofing brings 22 years of licensed experience versus Integrity's 7 years, a meaningful difference for complex or older roofs where diagnosing hidden damage matters.
| Sierra Roofing And Solar | Integrity Roofing Systems | |
|---|---|---|
| Rating | ★ 4.8 | ★ 5.0 |
| Years Licensed | 22 years | 7 years |
| License # | 835854 | 1046268 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Dublin, CA | Pleasanton, CA |
| Website | www.sierraroofing.com | www.integrityroofingpleasanton.com |
Key Differences
What Customers Say
Sierra Roofing And Solar
Customers emphasize Sierra's thorough diagnostic inspections, detailed explanations of leak causes, and professional handling of emergency situations alongside clean jobsite practices.
Integrity Roofing Systems
Customers highlight Integrity's high owner involvement, responsive communication with proactive updates, and a no-pressure approach that provides straightforward recommendations without upselling.
Key Takeaway: Sierra's feedback centers on diagnostic expertise and emergency response capability, while Integrity's reviews focus on hands-on owner engagement and efficient, pressure-free project execution.
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
Integrity Roofing Systems
The owner, Jamin, did a wonder job on both our roof repairs & installing skylights! Jamin is as honest as it gets! I highly recommend!
They redid my roof. Were a great value for the quality of work that they did. Roof looks great now!
Integrity Roofing Systems was excellent from start to finish. They took a thoughtful, diagnostic approach to a tile roof leak, avoided unnecessary scope, and clearly explained what needed to be repair...
Consider Sierra Roofing And Solar if...
- ✓ Your roof is older, has multiple previous repairs, or uses specialty materials like tile or standing seam metal where diagnosing underlying problems requires seasoned judgment.
- ✓ You're dealing with a persistent leak that previous contractors couldn't solve, or you need someone who has seen thousands of failure patterns over two decades.
- ✓ Your project combines roofing with solar installation and you want a contractor experienced in coordinating both systems.
- ✓ You can plan ahead for scheduling, especially during rainy season when emergency demand increases.
Consider Integrity Roofing Systems if...
- ✓ You want high owner involvement throughout your project with direct access to decision-makers and proactive updates via modern communication tools.
- ✓ Your project is straightforward—a standard composition shingle replacement or clear-cut repair—where efficient execution matters more than rare-problem diagnostics.
- ✓ You value a no-pressure approach and want a contractor who will assess your roof for solar readiness or other future work without upselling.
- ✓ You need flexibility in scheduling and appreciate a contractor known for moving quickly once work begins.
Questions to Ask Before Hiring
- → Ask Sierra how far in advance you should schedule non-emergency work, especially if your timeline is tight or you're planning during winter months.
- → Ask Integrity about their approach to older roofs or complex diagnostics, and request references from projects involving tile, metal, or homes built before 1980.
- → Ask both contractors what unexpected issues they've encountered during tear-offs on homes similar to yours, and how they handle change orders when hidden rot or structural problems appear.
The Bottom Line
Both are solid, insured contractors, but Sierra Roofing's 22 years of licensed experience is a meaningful advantage for older homes, complex diagnostics, or specialty roofing systems where you want a contractor who has seen your problem hundreds of times before. If your roof is straightforward and you value hands-on owner involvement with efficient execution, Integrity delivers that at 7 years of established experience. For most homeowners—especially those with tile, metal, persistent leaks, or homes over 30 years old—Sierra's depth of experience justifies choosing them even if scheduling requires more advance planning. If your project is simple and you prioritize direct owner communication, Integrity is a strong choice.
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Frequently Asked Questions
For a straightforward tear-off and reshingle on a simple gable roof, both contractors can execute well. The experience gap becomes significant when surprises appear during tear-off—rot patterns, unusual framing, or previous repairs done incorrectly—where a veteran contractor has seen the problem before and knows the durable fix. If your roof is older or has a history of issues, Sierra's additional 15 years of pattern recognition is a real advantage.
Both handle emergency repairs, but Sierra's reviews specifically highlight prompt emergency response and mitigation during heavy rain, suggesting established systems for urgent calls. Integrity emphasizes responsiveness for scheduling estimates and communication, but doesn't feature the same emergency-specific mentions. If you're calling during a storm, Sierra's track record is more explicit.
Insurance protects you from liability and financial loss, but it doesn't prevent problems—it compensates for them. A more experienced contractor is less likely to misdiagnose a leak source, miss hidden damage during inspection, or choose a repair approach that fails in three years. The bond and insurance are your safety net; experience reduces the chance you'll need to use it.
Integrity's reviews emphasize high owner involvement and direct communication, which often correlates with smaller operations. Sierra's 22-year tenure suggests a larger operation, but customers still note good communication and professional crews. Ask both contractors directly who will be your day-to-day contact and whether the owner or estimator will be on-site during critical phases like tear-off inspection.
Looking for the Best?
See our ranked list of top roofing 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 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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