Sandsea Kill

Hoffmans is a hamlet located northwest of Rotterdam Junction in the town of Glenville in Schenectady County, New York, United States. NY-5 runs east-west through the hamlet. Hoffmans is located on the north bank of the Mohawk River.

Chaughtanoonda Creek flows into the Mohawk River in Hoffmans, New York.

Pattersonville-Rotterdam Junction was a census-designated place (CDP) in Schenectady County, New York, United States. The population was 918 at the 2000 census. The area was not delineated as a CDP for the 2010 census. The CDP was in the town of Rotterdam and took its name from two hamlets in the town.

Verf Kill flows into the Mohawk River near Pattersonville, New York.Verf Kill is a name derived from Dutch meaning "paint creek".

Swart House and Tavern is a historic home and tavern located at Glenville in Schenectady County, New York. It consists of a long, 2-story, rectangular gable-roofed structure with a 1+1⁄2-story rear wing. The rear wing was built about 1750 and the building was substantially enlarged about 1792 in the Federal style. Also on the property is a stone masonry smokehouse.It was listed on the National Register of Historic Places in 2007.Born in the Schoharie Valley in 1718, Adam Swart did not move to Schenectady until his marriage to Catherine Van Patten in 1742. Their son Nicholas built the Swart Tavern in the late 18th century, a building which is still standing, but no longer in use as a tavern. A circa 1840 painting of the Swart Tavern is also on display.

Compaanen Kill flows into the Mohawk River in Hoffmans, New York.

WYAI (93.7 FM) is a listener-supported, non-commercial Christian worship radio station licensed to Scotia, New York, and serving the Capital District and Mohawk Valley. The station is owned by Educational Media Foundation and broadcasts at 1,250 watts effective radiated power from a location near Rotterdam Junction, New York. The station is an owned-and-operated station (O&O) of EMF's Air1 network.

Glenville District No. 5 Schoolhouse, also known as Green Corners School, is a historic one-room school building located at Glenville, Schenectady County, New York. It was built about 1825, and is a small one-story, rectangular brick building. It measures approximately 24 feet by 20 feet. It rests on a stone foundation and is surmounted by a gable roof with overhanging eaves. It functioned as a public school for first through eighth grades until it closed in 1946. The building was restored in 1976.It was added to the National Register of Historic Places in 2011.

The Mabee House, on the grounds of the Mabee Farm Historic Site, (part of the Schenectady County Historical Society), is the oldest house still standing in the Mohawk Valley. It is located in the town of Rotterdam, New York, in the hamlet of Rotterdam Junction, New York, along New York State Highway 5S, about six miles (9.7 km) west of the city of Schenectady. The property includes the original 1705 stone Mabee House, a 1760s brick house, a 1790s inn, a family cemetery and more, sits alongside the banks of the Mohawk River and was donated to the Schenectady County Historical Society on January 29, 1993. An H-bent frame Dutch barn, dating from the 1760s, was acquired from the Nilsen family in 1997, moved from Johnstown, N.Y., restored, and re-installed at the Mabee Farm Historic Site. Various educational programs and events are now offered to the public there. In 2007, 27 acres were purchased from a neighboring property and are now the location of the George E. Franchere Education Center, which opened in 2011.

Washout Creek flows into the Mohawk River near Rotterdam Junction, New York.