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Sierra Roofing And Solar vs Integrity Roofing Systems

Alameda Roofing Contractors Comparison · Updated March 2026

Quick Verdict

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: A 22-year veteran contractor with deep expertise in diagnostics, emergency response, and diverse roofing systems including tile and metal.
Integrity Roofing Systems: A 7-year experienced contractor known for high owner involvement, efficient execution, and straightforward communication without upselling pressure.
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

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Key Differences

The most significant difference is Sierra Roofing's 22 years of licensed experience compared to Integrity's 7 years. That's not a minor gap—it represents thousands more roofs, more weather cycles, more material generations, and more experience diagnosing problems that aren't obvious from the attic or surface. Sierra's track record includes standing seam metal, tile systems, and combined roofing-solar projects, suggesting comfort with specialty applications. Integrity demonstrates high owner involvement and organized project execution, with customers specifically noting no-pressure recommendations and proactive communication tools like group messaging. Both companies handle emergencies and unexpected rot during tear-off, but Sierra's feedback emphasizes diagnostic skill during leak troubleshooting, while Integrity's emphasizes efficient timelines and responsiveness. The tradeoff: Sierra may require more advance scheduling during busy periods, while Integrity's smaller footprint and owner involvement may offer more flexibility. Both are insured and bonded identically, so the choice centers on whether you value depth of experience or hands-on owner engagement.

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

Dec 2025

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...

Aug 2025

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...

Jul 2025

Robert did a great job getting here on time and checking out my roofing issues

Integrity Roofing Systems

Jan 2026

The owner, Jamin, did a wonder job on both our roof repairs & installing skylights! Jamin is as honest as it gets! I highly recommend!

Jan 2026

They redid my roof. Were a great value for the quality of work that they did. Roof looks great now!

Jan 2026

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.
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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.
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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.

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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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