Doors Open Madison 2017 Thank you!Many thanks to Doors Open Madison sponsors, participating sitesand everyone who attended this year's event. Looking forward to seeing you again at Doors Open Madison 2018. Doors Open Madison is a free one-day event organized by Downtown Madison Inc. This year's event will take place on Sunday, April 23. It’s a chance to learn about the places that make Madison great. Explore the one-of-a-kind buildings and businesses you might walk or drive by everyday. LEARN MORE New for 2017 LEARN MORE The Buildings LEARN MORE Getting Around LEARN MORE Sponsors & Partners LEARN MORE Testimonials LEARN MORE Downtown Madison, Inc. © DMI 2017. All rights reserved.