4.5/5 – 106 Reviews
A white emblem with a circular design displaying the words "Diamond Certified" around it. A diamond shape is in the center of the circle, giving the impression of a quality or authenticity certification for services like roof replacement or repair.
4.7/5 – 199 Reviews
LICENSE #907116
Mon - Fri: 8:00 - 16:00 (408) 957-0531

Your Trusted Residential Roofing Partner in Sunnyvale

Roof Replacement, Roof Repairs & Gutter Installation in Sunnyvale, CA​
A white shield icon with a check mark in the center, symbolizing security or protection for roofing services and gutters, on a light gray background—perfect for Bay 101 Roofing.
10 years of Workmanship Warranty
+ 300
5-Star Reviews from Bay Area Homeowners
30 +
Years of Roofing Experience in Sunnyvale
What we do

Replace or get a New Roof

At Bay101 Roofing, we’ve been serving homeowners in Sunnyvale for over 30 years, providing reliable roof replacements, roof repairs, and gutter installations that keep homes safe and beautiful.

Bay101 Roofing is your go-to residential roofing service provider.

A large, modern house with gray roofs, white siding, and several peaked gables, shown in soft, evening sunlight against a pale sky.
Two construction workers wearing helmets and overalls sit on a shingle roof, taking a break from a roof replacement project with tools beside them. The sky is bright and mostly cloudy in the background.
Aerial view of a house roof with gray shingles, two skylights, a chimney, and several roof vents, surrounded by green trees.
10 Year Warranty
Every roof we install in Sunnyvale comes with a 10-year workmanship warranty, giving you peace of mind and long-term protection
Price Assurance
A new roof not only protects your Sunnyvale home but also enhances its curb appeal and overall property value.
Financing
We make sure every roof replacement in Sunnyvale is built to withstand the local climate, keeping your home and loved ones safe year-round.

Our Latest Projects

Testimonials

What clients are saying

I see remarkable attention to detail and good problem-solving. We would use Bay 101 Roofing again in a heartbeat, except we think the roof will outlast us! Many thanks, Jose, Lorena, Juan, Jose, and Adan!

A round icon features a gray, anonymous silhouette centered within a blue circular outline, set against a light gray background. The design is simple, representing Robert G's generic user profile or avatar.
Robert G
Residential Client

”I finally found the trust-worthy roofing company”

”Bay 101 Roofing and did a great job replacing our roof. This company is easy to work with, responsive, competitively priced, knowledgeable and they made the whole process very easy. Highly recommend.”

A person with long brown hair wearing a blue top, smiling. The image, featuring Leonie H, is framed within a circular blue border.
Leonie H
Residential Client

” Remarkable Attention to detail ”

FAQ

A roof replacement in Sunnyvale typically takes 2–3 days, though the timeline can vary based on roof size, slope, and the materials chosen. Straightforward installations with standard asphalt shingles may finish sooner, while larger roofs, steeper pitches, or specialty materials might extend the schedule. Bay101 Roofing plans each project for efficient crew coordination, quality workmanship, and thorough cleanup with minimal disruption.

Bay101 Roofing installs both aluminum and copper gutter systems for Sunnyvale homes. Aluminum gutters are lightweight, rust-resistant, and cost-effective, offering reliable rainwater protection. Copper gutters are a premium option known for long lasting durability and a beautiful patina over time. Both gutter systems are custom-fit and color-matched to your home’s exterior for strong performance and improved curb appeal.

Yes, Bay101 Roofing is fully licensed and insured to perform roofing and gutter services in Sunnyvale. Licensing confirms the team meets California building codes and industry standards, and insurance protects both homeowners and workers in the unlikely event of accidents or damage during installation or repair. This professional coverage gives you peace of mind throughout your roofing project.

Absolutely, Bay101 Roofing provides a 10-year workmanship warranty on roof replacements in Sunnyvale, covering the quality and integrity of the installation. In addition, most roofing materials include manufacturer warranties that protect against defects in shingles, underlayment, and other components. Together, these warranties help ensure your roof performs well long term and give you confidence in your investment.

Getting a free roofing estimate in Sunnyvale is simple. Click the “Get a Free Estimate” button on the Bay101 Roofing website and fill out a short form. A representative will contact you to schedule an on-site inspection, evaluate your roof’s condition, discuss recommended services, and provide a transparent, no-obligation quote tailored to your home’s specific needs.

Bay101 Roofing offers flexible payment options for Sunnyvale homeowners. They accept all major credit cards and personal checks, and also provide financing plans that allow you to spread the cost of roof replacement or repairs over time. During your estimate appointment, the team will review available payment methods and help you choose the best solution for your budget and project goals.

Maintaining your roof helps extend its lifespan and prevent costly repairs. Recommended maintenance includes annual professional inspections, debris removal, cleaning gutters and downspouts, and checking for loose or damaged shingles, especially after storms. Bay101 Roofing also offers scheduled maintenance services that catch issues early and keep your roof performing optimally through Sunnyvale’s seasonal weather changes.

Get Your Free Roofing Estimate in Sunnyvale