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 Gilroy

Roof Replacement, Roof Repairs & Gutter Installation in Gilroy
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 Gilroy
What we do

Replace or get a New Roof

At Bay101 Roofing, we’ve been serving homeowners in Gilroy 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 Gilroy 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 Gilroy home but also enhances its curb appeal and overall property value.
Financing
We make sure every roof replacement in Gilroy 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 typical roof replacement in Gilroy takes about 2–3 days, though the timeline can vary based on roof size, pitch, and the materials chosen. Simpler asphalt shingle roofs usually finish faster, while larger roofs or specialized materials might take longer. Bay101 Roofing plans projects efficiently to balance high-quality installation, proper flashing, and thorough cleanup with minimal disruption to your daily routine.

Bay101 Roofing installs both aluminum and copper gutters to help protect Gilroy homes from rainwater damage. Aluminum gutters are lightweight, corrosion-resistant, and cost-effective, making them a popular choice. Copper gutters offer a long lifespan and distinctive aesthetic that develops a unique patina over time. Both options are sized and color-matched to your home’s exterior for optimal performance and curb appeal.

Yes, Bay101 Roofing is fully licensed and insured to provide roofing and gutter services in Gilroy. Licensing confirms the team meets California roofing and construction standards, and insurance protects homeowners and crew members in the rare event of damage or accidents. This professional coverage gives you peace of mind knowing your project is safe, compliant, and backed by proper credentials.

Yes, Bay101 Roofing includes a 10-year workmanship warranty on roof replacements in Gilroy, covering installation quality and craftsmanship. In addition to this, most roofing materials also include manufacturer warranties that protect against defects in shingles, underlayment, and other roofing components. Combined, these warranties help ensure long-term performance and give you confidence in your roofing investment.

Getting a free roofing estimate in Gilroy is easy. Click the “Get a Free Estimate” button on the Bay101 Roofing website and complete a brief form. A representative will contact you to schedule a convenient on-site inspection. During the visit, a roofing professional assesses your roof’s condition, explains available options, and provides a transparent, no-obligation quote.

Bay101 Roofing offers flexible payment options to suit different budgets. They accept all major credit cards and checks and also offer financing plans that allow you to spread the cost of roof replacement or repairs over time. During your free estimate, the team can review available payment methods and help you choose the best fit for your financial needs.

Maintaining your roof helps protect your home and extend its lifespan. This includes annual professional inspections, debris removal, regular gutter cleaning, and checking for loose or damaged shingles, especially after storms or heavy winds. Bay101 Roofing also offers maintenance services and scheduled check-ups to catch issues early and keep your roofing system performing well year-round.

Get Your Free Roofing Estimate in Gilroy