30 W Mifflin Street
Spaces
Capitol Square Office Space with Flexible Floor Options
Building description
30 W Mifflin Street, also known as 30 on the Square, offers a rare opportunity to lease office space directly overlooking the Wisconsin State Capitol in the heart of downtown Madison. The building features multiple floors of available space ranging from small suites to full-floor opportunities, providing flexibility for a wide range of users including professional services, nonprofits, political organizations, and creative firms.
The 10th floor is 100% vacant, presenting a full-floor opportunity with a mix of private offices, conference rooms, break areas, and open workspace, all benefiting from excellent natural light and Capitol views. Additional availability exists on multiple floors, including recently renovated space on the 7th floor (Suite 704 – 2,590 SF), open and collaborative space on the 6th floor, and largely vacant space on the 5th floor, with only one front-facing suite currently occupied.
Smaller suite options are available on the 4th floor (Suites 406 & 407), while the 9th floor offers partial availability for users seeking more segmented layouts. Floor plates are efficient and adaptable, allowing landlords to accommodate a variety of space configurations and tenant improvement needs.
Tenants benefit from a premier Capitol Square address, elevator access, common area restrooms, and immediate proximity to downtown dining, retail, parking, and transit. With its central location, flexible availabilities, and strong presence on the Square, 30 W Mifflin Street is an ideal choice for tenants seeking visibility and convenience in Madison’s central business district.
4th Floor
Suite 406 | 2,295 SF | Vacant
Suite 407 | 283 SF | Vacant
Suites may be leased separately or combined
5th Floor
Approx. 4,799 SF | Vacant
Majority of floor available; front suite facing the Square is occupied
6th Floor
Approx. 6,500 SF | Vacant
Open, collaborative layout; Suite 601 occupied
7th Floor
Suite 704 | 2,590 SF | Vacant
Recently renovated; former Democratic Party space
9th Floor
Approx. 3,346 SF | Vacant
More segmented/private office layout
10th Floor
Full Floor | 100% Vacant
Private offices, conference room, break room, and open office space with views
Building highlights
Prominent office building located directly on the Wisconsin State Capitol Square
Multiple full and partial floor availabilities, offering flexible leasing options
Suite sizes range from small offices to full-floor opportunities
Recently renovated and plug-and-play spaces available
Mix of open office layouts, private offices, conference rooms, and break areas
Elevator service with centralized elevator lobby
Common area restrooms on each floor
Strong natural light with select suites offering Capitol views
Ideal for professional services, nonprofit, political, and creative users
Walkable access to downtown dining, retail, parking, and public transit
Highly visible and recognizable Capitol Square address
Listing Contacts
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