| Prospect Hill | |
| Location: | 12815 Kanes Road, Long Green, Maryland |
| Coordinates: | 39.48°N -76.5131°W |
| Built: | -1798 |
| Architect: | Thornton, William |
| Architecture: | Federal |
| Added: | July 26, 1973 |
| Refnum: | 73000903 |
Prospect Hill is a historic home located at Long Green, Baltimore County, Maryland, United States. It was designed by architect William Thornton and built between 1796 and 1798. It is a -story Federal style brick house.[1]
Prospect Hill was listed on the National Register of Historic Places in 1973.