At Grendahl Design Co. our mission is to design and build intentional and sustainable homes that exceed our clients’ expectations. We strive to deliver exceptional quality and craftsmanship in every project we undertake, while maintaining a focus on efficiency, and timely completion. Our commitment to collaboration and communication ensures that we work closely with our clients to understand their unique needs and vision, and to bring that vision to life in a way that is both functional and beautiful. We believe that every project is an opportunity to create something truly remarkable and make a positive change in how you live your life. We are dedicated to delivering excellence in every aspect of our work.

We believe in building a strong and cohesive team that is dedicated to achieving our business goals and delivering exceptional results. We believe that a successful team is one that is diverse, inclusive, and collaborative. Together, we will work towards a shared vision of success and strive to exceed our clients’ expectations.


Roger Grendahl
Project Manager

As a Project Manager, his goal is to ensure that projects are completed on time, and to the client’s satisfaction. He is responsible for overseeing all aspects of the project, from planning and design to execution and delivery. This includes coordinating with clients, architects, contractors, and vendors to ensure that everyone is on the same page and working towards the same goals.

As a project manager, he is committed to providing exceptional service to our clients and ensuring that their needs and expectations are me. He is a skilled communicator and a professional problem solver, He has a background of more than 19 years in the construction industry and runs a successful electrical business, RG Electric, for the past 17 years, @rgelectricbismarck. He has overseen many large projects and has managed many new construction projects.

Sarah Grendahl
Interior Designer

Interior Designer, head of design for Grendahl Design Co. Her goal is to design and create inspiring and functional spaces that enhance the lives of Clients. Good Design is so much more than aesthetics, it’s understanding how one lives in their home, and creating a space that meets those needs. She has a degree in interior design, and designing homes is her passion. Transitional, classic, and refreshing are some words that she describes her design style. Every detail from the functional floor plans to the final cabinet hardware is thoughtfully planned to create a beautiful, inviting, and balanced space for everyone.


Grendahl Design Co. considers our sub-contractor’s part of our team. We take pride in using as many small and local businesses as we can. We thrive on our good relationships with these companies to be part of our team. They are well-known sub-contractors and suppliers to make sure that the project will get done in a professional and timely matter.


Market Homes – Our custom-designed houses are built specifically for the market, perfect for anyone if the building process isn’t something you’re familiar with. The homes are unique and beautiful, and they are fully functional for any lifestyle of families. We offer individualized custom-built homes taking away all of the stress and decisions of building a house on your own.Learn more about the homes we currently have on the market here.

Custom Homes– We also offer custom home design and management for your project from dream to reality. we provide 3D drawings to help clients visualize their future home and make informed decisions. You can choose from one of our many floor plans and customize them to fit your family’s specific needs.

Commerical Projects – whether you are looking for a new office build out, new retail space, or a sales showroom, we have the experience to bring your vision to life. We will cater to the need of your business and your unique needs.

Contact us!
Roger Grendahl 701-471-7910 / Sarah Grendahl 701-471-6652

Featured Links

Grendahl Design Co. — River + Ranch Magazine (riverandranchmagazine.com)

A Few of Our Favorite Triple-Pane Windows | Pella