Compare Local Pros Compare Local Pros

Los Gatos Roofing vs Backflow Prevention Specialists

Santa Clara General Contractors Comparison · Updated March 2026

Quick Verdict

These are completely different contractors: Los Gatos Roofing handles roof replacements while Backflow Prevention Specialists exclusively works on backflow assemblies.

Los Gatos Roofing: Los Gatos Roofing is a 24-year roofing contractor specializing in roof replacements, reroofing, and gutter work across Santa Clara County.
Backflow Prevention Specialists: Backflow Prevention Specialists is a 43-year contractor focused exclusively on backflow testing, repair, and assembly replacement with no roofing services.
Note: These contractors serve entirely different needs and should not be compared for the same project type.
Los Gatos Roofing Backflow Prevention Specialists
Rating 4.8 4.5
Years Licensed 24 years 43 years
License # 800707 427328
Workers' Comp ✓ Yes ✓ Yes
Bond Amount $25,000 $25,000
Location San Jose, CA Sunnyvale, CA
Website www.losgatosroofing.com www.backflow-prevention.com

Need help deciding?

Get free quotes from both contractors and compare pricing.

Get Free Quotes

Key Differences

The defining difference here is not experience level or insurance coverage, but the complete separation of services. Los Gatos Roofing operates in the roofing and exterior space, handling projects like full roof replacements, tile to composite conversions, gutter installations, and ventilation upgrades. Their 24 years of licensure translates to experience diagnosing roof damage, coordinating multi-day installations, and managing material selections for shingles and tiles. Backflow Prevention Specialists, despite 43 years of licensure, works exclusively on backflow prevention assemblies required for water safety compliance. They test, repair, and replace backflow devices, maintain parts inventory, and operate a training facility. These are regulatory plumbing components, not roofing systems. If you need a roof replaced, only Los Gatos Roofing is relevant. If you need backflow testing or assembly work, only Backflow Prevention Specialists applies. There is no meaningful overlap in their service offerings.

What Customers Say

Los Gatos Roofing

Los Gatos Roofing customers consistently praise organized project management, clear communication throughout multi-day roof installations, and efficient crews that maintain clean jobsites.

Backflow Prevention Specialists

Backflow Prevention Specialists receives feedback highlighting responsive scheduling, technical knowledge, and parts availability, though some customers note finding lower pricing elsewhere.

Key Takeaway: The review themes reflect completely different project types with no overlap: roofing installation management versus specialized backflow equipment service and parts supply.

Customer Reviews

Los Gatos Roofing

Jan 2026

We had an excellent experience with Los Gatos Roofing. We worked with Dave. He is very responsive and kept us informed. Dave said our roof would be done in 2 days. The quality of work is awesome, a...

Jan 2026

Brandon Berg from Los Gatos Roofing is the best! We truly appreciate the professionalism Brandon and his crew showed throughout the roofing project - excellent workmanship, punctuality, safety, and cl...

Jan 2026

I had a terrible leak in my kitchen for a couple years that seemed impossible to find. Then more leaks sprung up. In June I decided to go with Los Gatos roofing to replace the whole roof because it wa...

Backflow Prevention Specialists

Apr 2023

The Best place to go for all your backflow needs.

Oct 2022

They always have the backflow repair parts I need in stock! Also if I have any questions, they are very knowledgeable and helpful.

Dec 2020

Best of the best. Other companies are horrible at scheduling/ communication/ and price. BPS are very honest, scheduling is simple, communication is top notch. New backflow on the side of HWY 17, no ne...

Consider Los Gatos Roofing if...

  • You need roof replacement, reroofing, or exterior work like gutters and ventilation, which is Los Gatos Roofing's core focus
  • Your roof project involves material guidance decisions between shingle types, tile, or composite options that benefit from their 24 years of roofing-specific experience
  • You value organized project management with detailed estimates, clean jobsite maintenance, and consistent communication throughout multi-day roof installations
  • You need emergency roof response during severe weather, which customers have referenced in their feedback
View full profile →

Consider Backflow Prevention Specialists if...

  • You need backflow assembly testing, repair, or replacement to meet water safety compliance requirements, which is Backflow Prevention Specialists' exclusive service area
  • You're looking for a specialized provider with deep technical knowledge in backflow prevention rather than a general plumber
  • You need access to backflow parts inventory or technical guidance on specific assembly types and regulatory requirements
  • You're comparing pricing on backflow work and want a quote from an established specialist, though customer feedback suggests verifying rates against other providers
View full profile →

Questions to Ask Before Hiring

  • Confirm with each contractor exactly what services they provide to ensure they match your actual project need
  • If you genuinely need both roofing work and backflow services, ask each contractor if they can recommend a qualified provider for the other scope
  • Ask Los Gatos Roofing for references from recent roof replacement projects similar to your home's roof type and age
  • Ask Backflow Prevention Specialists for detailed pricing breakdowns and compare quotes with other backflow specialists, as one customer noted finding significantly lower costs elsewhere

The Bottom Line

This is not a meaningful comparison because these contractors serve completely different needs. If you need roof replacement, reroofing, gutters, or exterior work, contact Los Gatos Roofing. If you need backflow assembly testing, repair, or replacement for water safety compliance, contact Backflow Prevention Specialists. Do not use roofing reviews to evaluate a backflow specialist or vice versa. Clarify your actual project type first, then request quotes only from contractors who specialize in that specific work.

Get Up to 3 Free Quotes

Compare prices from licensed, verified contractors

3 pros will compete for your business
Licensed & Insured
Top-Rated Pros
100% Free

Frequently Asked Questions

No. Los Gatos Roofing specializes in roofing and exterior projects, while Backflow Prevention Specialists works exclusively on backflow assemblies. These are entirely separate trades requiring different licenses and expertise. You would need to hire both if your project genuinely requires both services.

Yes, but only within their specialty. Backflow Prevention Specialists' 43 years means deep expertise in backflow systems, testing protocols, and regulatory compliance. Los Gatos Roofing's 24 years translates to extensive roof diagnosis and installation experience. Each company's tenure is valuable, but only for their specific service area.

Los Gatos Roofing is the only relevant option for roof leaks, repairs, or replacements. Backflow Prevention Specialists does not provide roofing services of any kind. Their work involves backflow prevention devices that are part of your plumbing system, not your roof structure.

This comparison likely reflects a search or categorization error rather than a genuine decision between similar contractors. If you're evaluating both, you may be planning separate projects or need clarity on what type of contractor your specific issue requires. Confirm your project scope before requesting quotes.

Looking for the Best?

See our ranked list of top general contractors in Santa Clara.

View Top 10 General Contractors in Santa Clara

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.

Get in Touch

Have questions or feedback? We'd love to hear from you.

Get Free Quotes