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 San Mateo

Roof Replacement, Roof Repairs & Gutter Installation in San Mateo, 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 San Mateo
What we do

Replace or get a New Roof

At Bay101 Roofing, we’ve been serving homeowners in San Mateo 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 San Mateo 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 San Mateo home but also enhances its curb appeal and overall property value.
Financing
We make sure every roof replacement in San Mateo 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 San Mateo typically takes 2–3 days, depending on your roof’s size, pitch, and materials. Standard asphalt shingle jobs usually finish within this timeframe, while larger roofs or specialty materials may require extra time. Bay101 Roofing coordinates crews and materials efficiently, balancing timely completion with high-quality installation and a thorough cleanup at the end.

Bay101 Roofing installs aluminum and copper gutters for San Mateo homes to protect against rainwater damage and erosion. Aluminum gutters are lightweight, corrosion-resistant, and cost-effective, while copper gutters offer premium durability and develop a beautiful patina over time. Both options are custom-fit and color-matched to complement your exterior and ensure optimal water drainage.

Yes, Bay101 Roofing is fully licensed and insured to perform roofing and gutter services in San Mateo. Proper licensing means the business meets California building code and safety standards, and insurance protects both homeowners and workers in the unlikely event of damage or accidents during installation or repair. This professional protection gives you peace of mind throughout your project.

Yes, Bay101 Roofing provides a 10-year workmanship warranty on roof replacements in San Mateo, covering the quality of installation and craftsmanship. This warranty is backed by their long experience and positive reviews from local customers. In addition, most roofing materials include manufacturer warranties that protect against defects, providing long-term coverage and confidence in your roofing investment.

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

Bay101 Roofing offers flexible payment options for San Mateo 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 can walk you through available methods and help you choose the best solution for your budget.

Maintaining your roof helps extend its lifespan and prevent costly repairs. Recommended maintenance includes annual professional inspections, clearing debris, cleaning gutters and downspouts, and checking for loose or damaged shingles especially after storms or heavy winds. Bay101 Roofing also offers maintenance packages and scheduled check-ups to catch issues early and keep your roof performing well year-round.

Get Your Free Roofing Estimate in San Mateo