Compare Local Pros
Bay 101 Roofing vs Simmitri
Santa Clara Roofing Contractors Comparison · Updated March 2026
Simmitri brings nine additional years of licensing and dual roofing-solar capability, while Bay 101 Roofing focuses exclusively on roofing with faster scheduling.
| Bay 101 Roofing | Simmitri | |
|---|---|---|
| Rating | ★ 4.6 | ★ 4.8 |
| Years Licensed | 18 years | 27 years |
| License # | 907116 | 765156 |
| Workers' Comp | ✓ Yes | ✓ Yes |
| Bond Amount | $25,000 | $25,000 |
| Location | Alviso, CA | Morgan Hill, CA |
| Website | www.bay101roofing.com | www.simmitri.com |
Key Differences
What Customers Say
Bay 101 Roofing
Bay 101 Roofing customers consistently emphasize rapid scheduling, responsive communication during emergencies, and efficient project completion with minimal disruption.
Simmitri
Simmitri customers focus on comprehensive project management including permitting coordination, detailed documentation with photographs, and educational consultations without sales pressure.
Key Takeaway: Bay 101's feedback centers on speed and responsiveness for roofing-focused projects, while Simmitri's reviews highlight thorough administrative handling and long-term system performance for combined roofing-solar installations.
Customer Reviews
Bay 101 Roofing
We needed a new roof. Requested quotes and met with reps of four different companies. Can't say enough of how glad we are that we went with Bay101Roofing. Cesar Ramirez inspected our roof, identified ...
BAY 101 ROOFING INC. has tended to my leaky roof problem with swift, and adequate service. I will not hesitate to call on them whenever I have issues with my roof. Their pricing is fair, and their s...
We had a new roof installed and couldn't be happier. The team was super friendly and easy to work with. We were able to get it scheduled at their earliest availability, and the work itself was complet...
Simmitri
Simmitri installed our Enphase solar panels and later our battery system. They did a terrific job. Our system runs well after three years. They were good to work with. Their office helped us with th...
After interviewing 3 solar companies I selected Simmiti for my dolar installation. The planning and submissions to PGE and SCCounty Building were done in a timely manner. The installation crew was sup...
We can say that installing and working with Simmitri was a seamless experience. They did exactly as they say they would. The staff is amazing to work with, especially the Project Manager Pamela Rodrig...
Consider Bay 101 Roofing if...
- ✓ You need roofing work only, with no plans for solar installation in the near or medium term
- ✓ Quick scheduling matters because you're dealing with active leaks or weather damage requiring rapid response
- ✓ You prefer working with a specialist focused exclusively on roofing rather than a multi-service contractor
- ✓ Your project is straightforward (replacement or repair) without complications requiring coordination with solar equipment or electrical systems
Consider Simmitri if...
- ✓ You're planning or considering solar installation either now or within the next few years and want one contractor handling roof and solar work together
- ✓ Your roof work involves coordination with existing solar panels or will include battery system installation
- ✓ You value comprehensive project documentation including photographic evidence and detailed permitting records
- ✓ You're undertaking a larger investment project where nine additional years of contractor experience provides meaningful risk reduction for complex problem-solving
Questions to Ask Before Hiring
- → Ask Bay 101 Roofing about their typical lead time from initial contact to project start, and confirm their availability for your timeline
- → Ask Simmitri whether their solar capabilities offer any advantage for your roofing-only project, or if timelines differ between roofing-only and combined projects
- → Ask both contractors for references from projects matching your roof type and scope, particularly if you have tile, flat roofing, or complex flashing situations
The Bottom Line
If your project is roofing only and you need responsive service with quick mobilization, Bay 101 Roofing's 18-year track record and focused specialization serve that need well. Their customer feedback emphasizes speed and efficiency without sacrificing professionalism. Choose Simmitri if you're planning solar installation now or in the foreseeable future, as their dual capability eliminates vendor coordination headaches and their 27 years of experience provides additional confidence for complex projects. For straightforward roof replacements on standard homes with no solar plans, Bay 101's specialized approach likely gets you completed faster. For combined projects, tile roofs, or situations where you want maximum contractor experience, Simmitri's broader capabilities and deeper tenure justify their selection.
Get Up to 3 Free Quotes
Compare prices from licensed, verified contractors
Frequently Asked Questions
Simmitri's 27 years versus Bay 101's 18 years does represent deeper experience, which matters most when projects encounter hidden damage, structural complications, or unusual configurations. For straightforward replacements on standard roofs, Bay 101's 18 years is substantial veteran-level experience. The experience gap becomes more relevant if your roof is older, has multiple layers, or you've had persistent leak issues that suggest underlying problems.
Having solar expertise doesn't inherently make roofing work better, but it does mean they understand how solar mounting systems interact with roof structures and can plan for future solar installations. If you're certain you'll never want solar, this capability offers no practical advantage. If solar is a possibility within 5-10 years, having one contractor handle both prevents the situation where your solar installer discovers roofing issues or your roofer voids warranties by not properly accounting for solar loads.
Fast scheduling typically reflects operational efficiency and crew availability rather than cutting corners. Bay 101's reviews specifically mention both quick turnaround and worksite cleanliness, suggesting their speed comes from streamlined processes. Their 18 years in business indicates they've maintained quality while operating efficiently, as poor work would have generated negative patterns over nearly two decades.
Both serve Santa Clara County and surrounding areas, so location shouldn't be a deciding factor for most South Bay projects. Bay 101's Alviso base positions them slightly closer to northern Santa Clara County, while Simmitri's Morgan Hill location favors South Bay communities. Either contractor can reach most Bay Area locations within reasonable travel time, though you might ask about any travel charges for your specific address.
Looking for the Best?
See our ranked list of top roofing contractors in Santa Clara.
Other Santa Clara Roofing Contractors Comparisons
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.
Get in Touch
Have questions or feedback? We'd love to hear from you.