Los Altos—“the heights” in Spanish—is located in Santa Clara County. The city is one of the wealthiest small cities in the country, thanks to its proximity to San Francisco and its location within Silicon Valley. It is also one of the best places to live in California, as per the ranking and rating website, Niche, because it offers residents a variety of recreational activities and places to visit—everything from great restaurants to inviting parks. If you are looking to reside in this city, this list contains seven of the renowned design-build firms in Los Altos, California, the firms that can help you with your new home construction or remodeling project. Our team chose these companies for their impressive portfolios, industry accolades, industry certifications and affiliations, and press coverage.


Hammerschmidt Construction

1574 Country Club Drive, Los Altos, CA 94024

Hammerschmidt Construction is one of the leading construction companies serving Silicon Valley and the surrounding neighborhood. Founded in 1996, the firm specializes in home additions and remodels, specifically kitchens, bathrooms, and whole homes. The National Association of the Remodeling Industry (NARI)-member and Certified Green Builder firm uses the design-build approach to reduce costly and unexpected errors. The firm’s portfolio of design-build remodels and additions is impressive, and it also specializes in sustainable and energy-efficient construction. 

The firm is led by John Hammerschmidt, who has over 28 years of experience in the building industry and is a Certified Green Building Professional (CGBP) and Certified Kitchen and Bath Remodeler (CKBR). He leads a team of industry professionals together with Lynn Hammerschmidt in assisting homeowners with building their dream homes. 

Under John and Lynn, the firm received the Meta Gold, Meta Platinum, and Meta Silver awards. The firm has been featured in Qualified Remodeler Magazine as one of the Top 500 US Remodelers.


Harrell Design + Build

944 Industrial Avenue, Palo Alto, CA 94303

Harrell Design + Build is a full-service, Employee Owned, design-build residential remodeling company working out of Palo Alto. For 38 years, the firm has been focused on providing Bay Area homeowners with innovative design, meticulous craftsmanship, and high-quality, personalized service. Iris Harrell founded the company in 1985—it all began with a single employee. Today, Harrell Design + Build employs nearly 50 people, including a number of award-winning designers and accomplished craftspeople. 

Currently leading the firm is Lisa Sten, who has guided private, commercial, and public-sector clients with architectural designs and construction objectives. She holds an interior design degree from Paier College of Art in Hamden and a B.A. from Boston College. She is recognized as a Certified Interior Designer (CID), a Universal Design Certified Professional (UDCP), and a Certified Green Building Professional (CGBP).


Timeline Design+Build

14401 Big Basin Way, Saratoga, CA 95070

Award-winning firm Timeline Design+Build has been building in Saratoga and the surrounding community since 1990. Principal and founder Matthew Harrigan has been working in the construction industry for more than 30 years, collaborating with industry leaders in creating the one-stop-shop. Under his guidance, the firm has expanded into one of the leading design-build firms in the Bay Area and is a multiple NARI and NKBA awards recipient.

Timeline Design+Build’s excellence in design and construction was featured in Punch Magazine, Home & Garden Magazine, and South Bay Accent Magazine. Working closely with homeowners, the firm is able to provide home design services that use the client’s vision as the foundation. One of its notable projects is a 5,586-square-foot craftsman home in Los Altos.


Greenberg Construction

908 Industrial Ave, Palo Alto 94303

Established in 2010, Greenberg Construction is a full-service construction firm that specializes in commercial and residential projects. The firm takes a collaborative approach to handling its projects, making sure that the client’s vision is studied carefully to make it a reality. In its years of experience, the firm has created a vast portfolio that includes kitchens and bathrooms, home additions, custom family homes, and commercial buildings. 

Greenberg Construction is a member of the U.S. Green Building Council (USGBC) and the GreenPoint Rated – Build It Green, which allows the firm to build the latest and up-to-date energy-efficient spaces. Maor Greenberg, the firm’s founder and CEO, is a certified Build It Green – Green Building Professional. Greenberg oversees the innovative firm’s projects within the San Francisco Bay Area and Los Angeles.


Shawn Owen Signature Homes

445 S San Antonio Road, Los Altos, CA 94022

Established in 1973, Shawn Owen Signature Homes serves Atherton, Hillsborough, Los Altos, Los Altos Hills, Los Gatos, Menlo Park, Milpitas, Monte Sereno, and Palo Alto. Taking a design-build approach to its projects, the firm specializes in home remodels, custom homes, and new construction. The family-owned and operated firm has an in-house team of dedicated professionals that includes project managers and interior designers that work closely with the client in giving their clients their dream home.

The firm also manages an external team of accredited and established subcontractors that, with the guidance of the in-house project managers, work together to complete the home within the client’s budget and timeframe. Because of the firm’s excellence in building timeless and beautiful homes, many of its projects continue to come from client referrals.


Art Luxury Home Builders Inc.

24930 La Loma Court, Los Altos, CA, 94022

Art Ruiz has been building homes in Los Altos since 1985. In 2008, Ruiz established Art Luxury Home Builders, which has since become one of the leading construction companies in Los Altos. The firm specializes in creating luxury, high-end custom homes and remodels with intricate craftsmanship. Ruiz oversees a team of highly-skilled professionals who guide the client in every aspect of the construction process—from design planning to tear down to completion. 

With its exceptional work in the Los Altos residential construction industry, 90% of Art Luxury’s projects come from client referrals. Its extensive experience in building and remodeling custom homes allows Art Luxury to handle projects of any size and scope.


Premiere Builders

650B Fremont Avenue, Suite 344, Los Altos, CA 94024

Serving the Salinas and San Francisco Area, Premier Builders specializes in design-build, home remodels, commercial construction, and project management. The firm was founded in 1997 by its president, Clayton Johnson, who has been working in the construction industry for over 25 years. Johnson manages a team of design-build professionals and works closely with partner architects in building exceptional spaces.

Premier Builders takes a hands-on approach to ensuring that clients are aware of the construction process and that their needs and preferences are met. The firm worked on a modern farmhouse in Los Altos. The 6,100-square-foot home features 11 bedrooms, 7 baths, a 3-car garage, a game lounge, and a formal living and dining room that has wall windows that overlook the backyard.