| Prime–Octagon House | |
| Location: | 41 Prime Avenue Huntington, New York |
| Coordinates: | 40.8744°N -73.4231°W |
| Mapframe: | yes |
| Mapframe-Marker: | building |
| Mapframe-Zoom: | 12 |
| Mapframe-Caption: | Interactive map showing the location of Prime-Octagon House |
| Built: | 1859 |
| Architecture: | Octagon House |
| Added: | September 26, 1985 |
| Area: | less than one acre |
| Refnum: | 85002569 |
The Prime–Octagon House, built in 1859, is a historic octagonal house located at 41 Prime Avenue in Huntington, Suffolk County, New York.[1] The house is next door to the 1855-built Prime House, and across the street from the Heckscher Museum of Art.
On September 26, 1985, it was added to the National Register of Historic Places.