Building · randolph-restaurant-row
The Mason
The Mason is a 14-story, 263-home building on North Ada, completed in 2018 by the Naperville developer Marquette Companies.
- Address
- 180 N Ada St, Chicago, IL 60607
- Opened
- 2018
- Floors
- 14
- Homes
- 263
- Tenure
- Rental
- Developer
- Marquette Companies
- Managed by
- Waterton
- Nearest L station
- Ashland (Green & Pink lines)
- Current use
- Rental apartments
- Official site
- liveatthemason.com
About
Twenty-six of the homes — ten percent — are affordable under the city's affordable-housing requirements.
Waterton, which also runs Presidential Towers on the other side of the neighborhood, bought the building from Marquette in January 2026.