Lifetime-Guaranteed, Energy-Efficient Roof Systems &
Smog Eating Shingles Available

Work with one of the longest-standing Roofing + Solar providers in California. We TRULY understand that your roof is essential for your home's long-term protection. What sets us apart? Along with our GAF Master Elite status (placing us in the top 2-3% of all roofing professionals in the nation), we believe it’s our levels of sophistication, experience, and decades of knowledge that give Simmitri the edge in providing you the most significant value in the business.

Your roof can be so much more! We challenge industry norms by integrating insulation, ventilation, natural daylight, signature rain gutters, and even custom solar systems or modern smog-eating shingles into new replacement roofing.

Whether you choose a lifetime-guaranteed GAF system or opt for a specialty ultra-green system with solar-reflective shingles, we’ve got 28+ years of backing our passion and approach.

From Roofing and Solar Services to Battery Storage, EV Charging Stations, and Smart Home Solutions, we believe in doing everything possible to create more energy balance in your life. We believe in re-roofing and new roof replacement done the RIGHT way…delivering real, long-lasting VALUE:

  • 50-Year Non-Pro-Rated Warranty
  • 365 DaysPer Year Support
  • 22 Material Choices
  • Generations Of Expertise
  • Non-Pro-Rated Warranty
  • Smooth Installation Process
  • Seamless Solar + Roof Process!
  • Award-Winning 5-Star Service
About Simmitri

Bay Area Excellence

Solar, Roofing, And
Energy Management Solutions

Since 1995, our family-owned business has been serving local families and evolving with the Silicon Valley and coastal Monterey Bay area’s residential roofing/solar industries. Over that time, we’ve completed thousands of projects, demonstrating our expertise in designing and installing innovative energy & roofing solutions.

Along the way, we've also grown in our ability to empower and support the local ‘Going Green’ community in this influential part of the country. Through our programs like Share The Light to ‘Restore The Balance Of Power,’ sustainability education in collaboration with a non-profit, The Green Design Center (a 501-C3), and more, we’re passionate about making a difference!

Our Process

Our Smooth Customer-Centric Process

Tier 1 Results For Bay Area Homes | Personalized 5-Star Service

An Educational Consultation

First, we’ll professionally inspect your home’s roofing system and then sit down with you to go through your full range of high-performance options. The goal is to give you an accurate roadmap to smoothly protect and optimize your roof. Learn about our Seasoned, Professional Service.

Lifetime Roofing System Design

We’re a proud GAF Master Elite roofing contractor with decades of experience in green technology, so you can rest assured you’re choosing a high-quality, reputable, and dependable company to work on and improve your home. Simply put, no one does it better than we do. Delve into our Cutting-Edge Roofing Systems.

World-Class Installation…And Beyond!

The premium lifetime roofing systems we expertly install are energy efficient and Title 24 compliant. When coupled with our signature rain gutters, radiant barrier, and venting system, they become incredibly effective in reducing the total heat gain into your home, providing valuable efficiency gains and faster ROI. Check out our Custom, Detailed Workmanship.

Using the Simmitri app, we take customer service to a new level. For example, during your project, you’ll get real-time updates, project tracking, a place for all your media files, a way to reach your Customer Success manager, and so much more. With Simmitri, you’re always in the loop, informed, and know what to expect at every step.

Signature Rain Gutters & Metal Works For Silicon Valley

Years Of Protection
20+ Color Choices
High Curb Appeal

Simmitri’s rain gutters and metal works division designs and installs water diversion solutions and custom metal products like leaf guards that impress! Our talented crew of sheet metal and rain gutter specialists display their expertise in every project. Offering many years of superior protection, your new water diversion or gutter system will also make your home more eco-friendly.

Choose from over 20 colors, copper, galvanized steel, aluminum, and various sizes to match your home…perfectly! We’re wholly dedicated to providing the best, most innovative solutions in water diversion tech, installed with the highest-quality workmanship and delivered through exceptional customer experiences.

Service Areas

Serving The Greater Bay Area, Silicon Valley, & Monterey Bay Coastal Cities

  • San Jose (Headquarters)
  • Santa Clara
  • Morgan Hill
  • Gilroy
  • Campbell
  • And more…

Current Roofing
& Solar Promotions

Save When You Go Green Across The Silicon Valley!

Save hundreds on a re-roof when installing a new rooftop solar energy system with us. We offer Military Discounts and discounts for service personnel as well - teachers, police, firefighters, front-line workers, caregivers, and more! You can also choose between hundreds in savings or a new EV Charger with a qualifying new solar energy installation.

At Simmitri, we’ll bend over backward to help you go green. Our whole team is passionate about what we do for Silicon Valley homes. From our roof system techs and energy advisors to our consultants and energy-efficient building performance analysts, we’re customer-centric and committed to top-quality service. Talk with one of our specialists to learn more.