| Clinton County Courthouse Complex | |
| Location: | 135 Margaret St., Plattsburgh, New York |
| Coordinates: | 44.6989°N -73.4536°W |
| Mapframe: | yes |
| Mapframe-Marker: | building |
| Mapframe-Zoom: | 12 |
| Mapframe-Caption: | Interactive map showing the location of Clinton County Courthouse Complex |
| Built: | -1885, 1889 |
| Architect: | Cummings, M.F. |
| Builder: | Brown Bros. |
| Architecture: | Italianate, Romanesque |
| Added: | November 12, 1982 |
| Refnum: | 82001101 |
| Designated Other1: | New York State Register of Historic Places |
| Designated Other1 Number: | 01940.000238 |
| Designated Other1 Num Position: | bottom |
| Designated Other1 Abbr: | NYSRHP |
| Designated Other1 Date: | November 12, 1982 |
The Clinton County Courthouse Complex is a historic county government and courthouse site located at 135 Margaret Street in Plattsburgh, Clinton County, New York. The main courthouse was constructed in 1889. It is a two-story, ashlar stone and brick Richardsonian Romanesque style building. It has a hipped roof and rock-faced arched openings. It features a large, square central tower with an open campanile and pyramidal roof. The associated Surrogate's Building was built in 1884–1885, and is a two-story, Italianate style brick building with a bracketed cornice with Renaissance style detail.[1]
The courthouse complex was added to the National Register of Historic Places on November 12, 1982.