Who We Are

With roots dating back to 1995, J-Mar Builders thrives on creating dream homes. From remodeling to new construction, we’re your partners in crafting exceptional living spaces.

How We Got Started

Our Story

J-Mar Builders and Remodelers, LLC has been building and remodeling homes in the Twin Cities metro area and Western Wisconsin since 1995. Jim Marty, Don Martin, and new co-owner Dan Marty (2022) all grew up in Somerset, WI, and have been serving the wants and needs of homeowners in surrounding communities. J-Mar continues to be a full-service general contractor specializing in residential remodeling and building custom homes. We collaborate with architects, designers, and specialty contractors – we would love to work with you! Please contact us to get the conversation started!


A Team of Professionals

Roger Ryan
Roger Ryan
We would highly recommend J Mar for any construction needs. Don and Kody were very professional, exceptional quality and on budget. You will not go wrong using these guys.
Jon Erickson
Jon Erickson
Very professional, the work they do is precise and complete. Adam installed a Larson 8' storm door for us. His installation was exact and complete. Adam's cousin Dan followed up with Adam to adjust the closure. These guys do the job right the first time. We are fortunate to have had this experience with Adam and Dan of J-Mar Builders. We will have them do any of our future projects. They are second to none !
Amy K
Amy K
We were so pleased with the work that Don Martin did for us. He was an absolute pleasure to work with and the quality of the work he did was A++. I would recommend J-Mar to any one!
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