Builder and Custom Home Construction

Building a solid reputation with every job – focusing on quality, detail, and customer satisfaction.

Home Building

We are builders of custom homes, additions, and remodeling. We design and build custom homes according to your every need. We use top quality construction materials and keep up to date on new innovations and building techniques. Our top concern is that our customer ends up with the home of their dreams.



When it comes to your home, there is no such thing as a minor detail. A reliable home remodeling company is what you\'ll need to accomplish this monumental task. That’s why unmatched attention to detail is a defining hallmark of Martinsen Construction. Our pledge to quality and customer service is why people across America choose us year-after-year.


Light Commercial

When you entrust us with your light commercial project, you\'ll receive the full measure of our expertise and responsiveness. Whether your project is a dental office, medical office, general office, restaurant, retail space, or any other type of light-commercial project, our attention to every detail can help you turn your ideas into reality.


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  • The Central Valley

    What is the Central Valley in California? The Central Valley (also known as “The Valley”) is a large, flat valley that dominates the central portion of the U.S. state of California. It is home to many of California’s most productive agricultural efforts. The valley stretches approximately 400 miles (640 km) from north to south. Its [...]

  • Who is Steve Martinsen?

    Steve Martinsen, the founder of Martinsen Construction, has over 30 years of home-building experience. For the last 15 years he has primarily focused on building homes in California’s central valley and foothills. However, as demonstrated by his past and current projects in the Bay Area, Steve is not limited to just those areas. He is [...]

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