The Bay Area's Premier Custom Home Builder

Built on integrity, designed around you.

For over 30 years, Coast Builders has turned Peninsula homeowners' ideas into remarkable places to live, love, and truly feel at home.

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30+
Years of Experience
Top 1%
of CA Licensed Contractors
11
Peninsula Cities Served
#924561
CA Contractor License
Welcome to Coast Builders, Inc.

At the core of our business is integrity.

It influences our designs, the materials we select, our construction methods, and our business practices. Our mission is to ensure that your building or remodeling project is a remarkable and enjoyable experience.

What We Do

Services We Offer

Custom kitchen remodel

Remodeling

Kitchens, baths, and whole-home renovations executed with meticulous attention to detail and designer finishes throughout.

Home addition living space

Additions

Second-story additions and expansions — even on challenging sloped lots — that blend seamlessly with your existing home.

New construction custom home

New Construction

Ground-up custom homes with open-concept living, indoor-outdoor flow, and craftsmanship built to last generations.

Tony Askari, owner of Coast Builders, Inc.
About Coast Builders

Everything we do focuses on you.

The vision of Coast Builders, Inc. is simple: we bring your creative and unique ideas to life. Led by Tony — a civil engineer and general contractor with more than three decades of experience — our team handles every aspect of residential and commercial construction.

Clients consistently describe Tony as hands-on, honest, and detail-oriented, delivering great quality at a fair price and often ahead of schedule.

★ BuildZoom score of 118 — top 1% of 336,931 CA licensed contractors
More About Us
1344 Cortez Avenue, Burlingame — custom modern farmhouse at twilight
Latest Project · Sold

1344 Cortez Avenue, Burlingame

Our newest custom home: a striking modern farmhouse in Burlingame's Easton Addition — roughly 3,000 sq. ft. of open-concept living with 4 bedrooms, 4 baths, plus an office, a great room opening to an entertainer's backyard, and warm designer finishes throughout. Recently completed and sold.

3,000Sq Ft
4Bedrooms
4Baths + Office
~6,000Sq Ft Lot
View Cortez Ave Photos
What Clients Say

Trusted across the Peninsula

★★★★★

"Tony and his crew did a spectacular job. His quote was very competitive… he knew what he was doing and would not add change requests in the middle of the project. Highly recommended and will employ his services again without question."

Thomas J.
Belmont, CA
★★★★★

"They completed our project two weeks ahead of schedule and within our budget. This is unheard of, according to our friends. Coast Builders is the ONLY company we will ever hire for all of our remodeling needs."

Bella D.
San Carlos, CA
★★★★★

"Coast Builders just finished renovating our entire home and we could not be happier. Tony is very hands-on and available… faster and better priced compared to all the other contractors we reviewed. Great attention to detail."

M. K.
San Carlos, CA
★★★★★

"They went above and beyond my expectations with the customer service they provided. Tony kept in touch with me throughout the process and helped me with the design as well. I couldn't be happier with the results."

Mary S.
Foster City, CA
★★★★★

"Coast Builders is the best contractor I've worked with. Tony is the ultimate professional — knowledgeable, responsive, and responsible. They built an ADU from the ground up. Everything was finished with high quality and on schedule."

Vincent L.
Yelp review
★★★★★

"Tony and his team are total all-stars! He sends out specialists for each job and it completely made the difference. The final job looked amazing, and he's a great guy to work with."

D. P.
Redwood City, CA
Let's Build Together

Ready to start your project?

Tell us about your vision and we'll provide a free, no-obligation estimate.