| Key | Value |
| addr:city | Milwaukee |
| addr:housenumber | 1201 |
| addr:postcode | 53202 |
| addr:state | WI |
| addr:street | North Prospect Avenue |
| building | detached |
| building:architect | Edward Townsend Mix |
| building:architect:2017 | H. Russell Zimmermann |
| building:architecture | high_victorian_gothic |
| building:levels | 2 |
| building:levels:underground | 1 |
| building:material | cream_city_brick |
| historic | building |
| name:1874-1883 | Judge Jason M. Downer House |
| name:1883-1888 | Eliza Minor Downer House |
| name:1888-1965 | Immanuel Presbyterian Church Resthome |
| name:2017 | The Milwaukee Art Museum Research Center |
| name:historic | Judge Jason M. Downer House |
| roof:levels | 1 |
| source | http://assessments.milwaukee.gov; https://www.wisconsinhistory.org/Records/Property/HI27215; https://onmilwaukee.com/ent/articles/urban-spelunking-mam-downer-mansion.html |
| start_date | 1874 |