Est. 1994 — San Mateo, California

Building What
Matters Most

At the core of our business is integrity. It influences our designs, the materials we select, our construction methods, and our business practices.

Start Your Project View Our Work
Scroll
Top 1% of California Contractors CA License #924561 BuildZoom Score: 118 30+ Years of Excellence San Francisco Bay Area 500+ Projects Completed Top 1% of California Contractors CA License #924561 BuildZoom Score: 118 30+ Years of Excellence San Francisco Bay Area 500+ Projects Completed
Coast Builders luxury living room project
30+
Years
About Us

Welcome to
Coast Builders, Inc.

Our mission at Coast Builders is to ensure that your building or remodeling project is a remarkable and enjoyable experience. We design spaces where you can live, love, and truly feel at home.

Our vision at Coast Builders, Inc. is straightforward: everything we do is centered around YOU. We are dedicated to transforming your innovative and unique ideas into reality.

We eagerly anticipate the opportunity to collaborate with you soon!

Work With Us
0
Years Experience
0
Projects Completed
0
Top % in California
0
Client Satisfaction
What We Do

Our Services

Kitchen remodeling by Coast Builders
01
Remodeling
Complete home transformations that breathe new life into your existing space. Kitchens, bathrooms, and full-home renovations designed around your lifestyle.
Home additions by Coast Builders
02
Additions
Expand your living space with seamless additions that integrate perfectly with your existing home. Second stories, room additions, and ADUs.
New home construction by Coast Builders
03
New Construction
Ground-up custom homes built to the highest standards. From design to final walkthrough, we bring your vision to life with precision and care.
Featured

Current & Recent Projects

New construction in Burlingame Easton Addition
Now Available

Easton Addition, Burlingame

An exceptional opportunity in the coveted Easton Addition of Burlingame, nestled in the heart of Silicon Valley. 3,000 sq. ft. of open-concept living space with customizable finishes before construction begins. Expansive great room flowing to spacious backyard on a 6,000 sq. ft. lot.

3,000 Sq Ft
4 Bedrooms
4 Bathrooms
6,000 Lot Sq Ft
2280 Ralston Avenue Belmont sold property
Sold — May 2024

2280 Ralston Avenue, Belmont

A stunning custom-built residence at 2280 Ralston Avenue, Belmont, CA 94002. This 4,050 square foot home features 5 bedrooms and 5.5 bathrooms with premium finishes throughout.

4,050 Sq Ft
5 Bedrooms
5.5 Bathrooms
Testimonials

What Our Clients Say

"Coast Builders rebuilt a suspended driveway within budget and time. Exceptional quality and professionalism throughout the entire project."
Thomas J.
Belmont, CA
"Our second floor addition and remodeling was amazing. Tony was always available and open to changes. The work was finished quickly and efficiently."
Sahra A.
Belmont, CA
"Tony is attentive, caring, detail-oriented, professional and so very talented. Completed two weeks ahead of schedule and within budget."
Bella D.
San Carlos, CA
"We praised Tony's dependability and reliability. He worked with us on pricing while maintaining quality. An outstanding experience from start to finish."
Mayo M.
San Carlos, CA
"Tony is exceptional — very hands on. Much faster and better priced than competitors. A true professional who delivers exceptional results."
M.K.
San Carlos, CA
"The owner went above and beyond with customer service and design assistance. Our home transformation exceeded every expectation we had."
Mary S.
Foster City, CA
"Tony and his team are total all stars. They delivered an incredible result with craftsmanship that speaks for itself."
D.P.
Redwood City, CA
FAQ

Common Questions

Coast Builders, Inc. primarily serves the San Francisco Bay Area, including San Mateo, Belmont, San Carlos, Redwood City, Foster City, Burlingame, Hillsborough, Palo Alto, and surrounding communities. We have over 30 years of experience building and remodeling homes across the Peninsula.
Yes. Coast Builders manages the entire permitting and inspection process on your behalf. Our team has extensive experience working with local building departments throughout the Bay Area, ensuring a smooth and compliant construction process from start to finish.
Getting started is easy. Fill out our contact form below, call us at (650) 455-8885, or visit our office in San Mateo. We will schedule a consultation to discuss your project, assess the scope, and provide a detailed, transparent estimate at no cost or obligation.
Get In Touch

Start Your Project

Thank you. We will be in touch shortly.

Let's Build Together

Whether you are planning a renovation, an addition, or building from the ground up, our team is ready to bring your vision to life.

San Mateo, CA 94404San Francisco Bay Area
(650) 455-8885Monday - Saturday, 8am - 6pm
CA License #924561BuildZoom Top 1% — Score: 118
Call Now