Steve Martinsen, the founder of Martinsen Construction, has over 25 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.

We Specialize In:

  • Custom Home Construction

  • Remodeling

  • New Construction

  • Light Commercial

We service California’s Central Valley and the entire East Bay area. This includes, but is not limited to: Modesto to Sacramento, East Bay, which includes Livermore, Dublin, Pleasanton, and north through Danville, Walnut Creek and more.



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