About Us

Please help us welcome the newest member to our team, Graham Anderson, he will be joining Rich within the sales department.

Graham Anderson – Sales Graham grew up in a small town in ND. He became interested in construction when his father built the home he grew up in. He spent most of his time working in lumber yards when he was in school. He comes to Sandau with valuable sales and product knowledge. Graham has a unique ability to understand and explain situations to clients. You will see him working our trade shows. He will be giving window seminars.

Rich Tuomi – Sales Manager Rich comes to Sandau with a varied background. He grew up in a construction family, father and 2 uncles building homes in northern Minnesota. Rich worked his way through college via construction work. He has spent many years in sales, sales management, and general management in businesses like automotive, video production and the outdoor industry, before coming back home to the home construction industry with Sandau. When not working with people to find solutions to their home projects, you will find him in the outdoors enjoying various activities.


Celebrating 30 years as a member of the BBB!

Since 1981, Sandau Construction has been installing windows and siding in the Twin Cities, South Metro and North Metro areas. We take great pride in being a reputable, locally-owned and family-operated business. This means that as we complete a project, we recognize our clients as neighbors and are eager to showcase our work as accountable individuals and celebrated craftsmen.

We provide a wide range of services:

  • Windows
  • Door Installation
  • Siding
  • Remodeling
  • New Home Construction

We can install almost any product in your home, including products which we have specially selected for their quality and level of service. Our capable team can build custom homes, additions, four season porches, outdoor kitchens, gymnasiums, and any other amenity you have in mind. If you can dream it, the Sandau Construction team has the experience to build it!

Our service areas include, but are not limited to:

  • Bloomington
  • Savage
  • Burnsville
  • Lakeville
  • Farmington
  • Apple Valley
  • Cannon Falls
  • Shakopee
  • New Prague
  • Prior Lake
  • Jordan
  • Belle Plaine
  • Chaska
  • Chanhassen
  • Eden Prairie
  • St. Louis Park
  • Minnetonka
  • Waconia
  • Hastings
  • Shoreview
  • Lino Lakes

Windows and Siding Company | Savage, MN
North and South Metro including Bloomington, Savage, Richfield, Shakopee, Apple Valley, Burnsville, Eden Prairie and Lakeville, MN

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