Live your values in a home that makes

A Statement &
A Difference

Every Semmes & Co. home is unique, but they’re each framed on a foundation of knowledge, craftsmanship and experience. More than 40 years of green building expertise goes into everything we build.

A history of building with

The Future in Mind

In 1978, Semmes & Co. Builders put down our roots here on California’s Central Coast as one of the first green builders. Since then, we've helped dozens of families and businesses put down theirs.

Remarkable Homes

Healthier Planet

People can be both wildly creative and incredibly practical. So can homes. We build our homes to be environmentally friendly and people friendly. The “old way” of building simply isn’t sustainable for our changing environment, so we’re creating new ways.

Our Process


"Quality work, super nice people, they offered good ideas and they had the knowledge to help with site management projects (eg. solar, water, road, gate, etc.), above and beyond general remodel construction work."

P & M Nichter
Harmony, CA

"Each member of the Semmes & Company team brings with them a positive energy and a passion which makes them all a genuine pleasure to work with."

Jim Duffy, Architect
Jim Duffy Architecture

"Semmes & Co Builders did an excellent job. We are very happy!"

A & S Everett
Templeton, CA

“One of the main reasons for the success of Semmes & Co. is respect, for the customer, the architect, the workers, even the subcontractor. It all adds up to a good working relationship, something I am proud to be a part of.”

Michael G. Petersen
Margarita Electric

"We love our new addition!"

D Chafin
Atascadero, CA

"...if you are interested in building a project that is complicated, highly detailed and unconventional there really exists no other choice on the Central Coast for a contractor than Semmes & Co. Builders."

Ben Korman
D2B Design

"My interest in Semmes and Co is the true honesty, integrity, and team work displayed on a day to day basis."

Scott Beavers
Harvey Plumbing

    Recent Posts

    We encourage you to visit our blog to see what the creative, innovative minds at Semmes have been up to. Learn more about our projects and awards, and keep up with the latest news by clicking on the links below.

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