| Key | Value | 
| addr:city | Milwaukee | 
| addr:housenumber | 225 | 
| addr:postcode | 53202 | 
| addr:street | East Michigan Street | 
| alt_name | Mackie Flats | 
| architect | Edward Townsend Mix | 
| architect:2014 | Continuum Architects + Planners | 
| architect:wikidata | Q5322181 | 
| building | commercial | 
| building:architecture | neoclassical | 
| building:levels | 7 | 
| building:material | granite;sandstone | 
| building:units | 25 | 
| building:use | apartments;retail;commercial | 
| michelle@jjeffers.com | |
| height | 175 ft | 
| heritage | 2 | 
| heritage:operator | nrhp | 
| heritage:website | https://npgallery.nps.gov/AssetDetail/NRIS/73000084 | 
| historic | building | 
| nrhp:criteria | (A),(C) | 
| nrhp:inscription_date | 1973-04-03 | 
| old_name:1880--1937-03-11 | Chamber of Commerce Building | 
| owner | J. Jeffers & Company | 
| phone | +1 414 807 4869 | 
| ref:nrhp | 73000084 | 
| source | https://www.wisconsinhistory.org/Records/Property/HI16295;http://assessments.milwaukee.gov/remast.asp?taxkey=3920651000;https://urbanmilwaukee.com/2017/01/07/eyes-on-milwaukee-milwaukees-most-schizophrenic-developer/ | 
| start_date | 1879 | 
| website | https://www.mackieflats.com/ | 
| wikidata | Q6724469 | 
| wikimedia_commons | Category:Mackie Building (Chamber of Commerce) | 
| wikipedia | en:Mackie Building |