| Key | Value | 
| boundary | protected_area | 
| communication:amateur_radio:pota | US-10035 | 
| governance | government_managed | 
| heritage | 2 | 
| heritage:operator | nhl | 
| operator | New York State Office of Parks, Recreation and Historic Preservation | 
| operator:type | government | 
| operator:wikidata | Q1706660 | 
| ownership | state | 
| protect_class | 22 | 
| protection_object | heritage | 
| protection_title | State Historic Site | 
| ref | 29 | 
| ref:nhl | 72000840 | 
| related_law | New York State Constitution, Article XIV | 
| source | http://gis.ny.gov/gisdata/inventories/details.cfm?DSID=1114 | 
| tourism | attraction | 
| url:nhl | https://catalog.archives.gov/catalogmedia/lz/electronic-records/rg-079/NPS_NY/72000840_NHL.pdf | 
| website | https://parks.ny.gov/historic-sites/johnbrownfarm/details.aspx | 
| wikidata | Q2487907 | 
| wikipedia | en:John Brown Farm State Historic Site |