| Key | Value |
| addr:city | Milwaukee |
| addr:housenumber | 205 |
| addr:postcode | 53202 |
| addr:street | East Wisconsin Avenue |
| architect | George H. Johnson |
| building | commercial |
| building:architecture | italianate |
| building:levels | 4 |
| building:levels:underground | 1 |
| building:material | cream_city_brick |
| building:units | 8 |
| building:use | commercial;retail |
| heritage | 2 |
| heritage:operator | nrhp |
| heritage:website | https://npgallery.nps.gov/AssetDetail/NRIS/74000105 |
| historic | building |
| nrhp:criteria | (C) |
| nrhp:inscription_date | 1974-12-27 |
| old_name:1860-1880 | Excelsior Block;Masonic Hall;Martin's Block |
| ref:nrhp | 74000105 |
| source | https://www.wisconsinhistory.org/Records/Property/HI16292;http://assessments.milwaukee.gov/remast.asp?taxkey=3920681100;https://urbanmilwaukee.com/building/iron-block-building/ |
| start_date | 1860 |
| wikidata | Q6072331 |
| wikimedia_commons | Category:Iron Block Building (Milwaukee, Wisconsin) |
| wikipedia | en:Iron Block Building (Milwaukee, Wisconsin) |