About Us

Specializing in lake homes, cabins and residential design

Since establishing TAP Architecture in 2009, our focus has been to design beautifully-articulated homes and renovations through a collaborative process – listening to and understanding the client’s vision and transforming that vision into reality. 

Browse our portfolio to learn more about the types of projects we’ve completed.


Our Team

Contact us to learn more about our design process and how we can tailor our process to meet the needs of your project.

Troy A. Prosa


Troy’s interest in architecture began early on. At a young age, he kept busy by sketching, reading and learning about architecture – and he tried to never miss an episode of “This Old House” on PBS. Even when attending sleepovers at a friend’s house, the young teen would either set to tape record himself or call home to remind his parents to do so.

At age 15, Troy began designing and drawing projects for residential contractors, and his career path was cemented. His curious interest soon developed into a strong passion and his chosen profession.

Troy studied architecture at the University of Minnesota and became a licensed architect in Wisconsin. Between 1996 and 2002, Troy worked at the firm SSV in Minneapolis on office, educational and institutional projects, in addition to working on convents and multi-family homes. There, he worked under the direction of architect John Van Dyke. The pair developed a close working relationship that continues to this day at TAP Architecture.

Since 2002, his work has focused primarily on residential projects. Troy possesses extensive experience in custom home and renovation design, with a thorough background in cabinetry, furniture design and fabrication – both residential and institutional. His work has been featured in Homes by Architects, Luxury Home Tour, The Wall Street Journal-Mansion and various other publications.

Troy lives in Southwest Minneapolis with his wife and two young sons. When not designing, chances are he is biking on the many Minneapolis lake paths and city trails.

John Van Dyke


John Van Dyke (Known to many as ‘J’) is a 1962 graduate of the University of Minnesota (BArch). He spent the first 15 years of his career with several firms, both large and small, working on a great variety of projects; Single family housing to very large multi-family, schools, college housing, hospitals and small commercial.

He established his own practice in 1978, working primarily as a consultant to other architectural firms, most notably on the design of the Riverplace project in Minneapolis. During this period, he aided his community by designing the new space for the Amery Public Library and the Arnell Memorial Animal Shelter. In 1989 Van Dyke became a partner in the firm of SSV Architecture, Inc., Minneapolis, which worked in many fields, including residential, municipal government (Minneapolis Park Board) and institutional work (women’s religious communities and their home environments).

Having resigned from SSV in 2007, he continues through this day in partnership with TAP Architecture. He’s a registered architect in Minnesota and Illinois. John and his wife, Jane, who is an artist and teacher, began working in stained glass art in 1980, and in 1982 established Lux Vandini, which has since executed many large commissions in several states (e.g. Half a dozen works for the Riverplace project in Minneapolis).

Van Dyke lives on 19 acres in Western Wisconsin. His interests are closely related to his life of architecture; Landscaping, gardening, birding and working on improvements to his hundred year old farmhouse. Most days include a long woodland walk with Jane and their two adopted dogs, Bowie (His) and Becchi (Hers). They are long time friends and supporters of the Arnell Memorial Humane Society.

Robin Marks

Robin is a 1989 graduate of Minnesota State University, Mankato with a Bachelor of Science in Accounting.  She has over 25 years of accounting and human resources experience with non-profits and professional service industries.

Robin lives in Chaska and enjoys nothing more than family time and walking the trails in every season but winter!

Deer Lake School Office

Built in 1930, the Deer Lake School is steeped in rich local and architectural history – and today serves as TAP Architecture’s office in St. Croix Falls, Wisconsin.

Learn more about how we renovated the schoolhouse and now use it as our home base in Wisconsin.

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