Riders Mills Historic District

The Wilbor House, also known as The Thompson Farm, is a historic home located at Old Chatham in Columbia County, New York. It was built in around 1790 and is a two-story, five by two bay, heavy timber frame dwelling on a raised fieldstone foundation. It is topped by a medium pitched gable roof. The house has a one-and-one-half-story wing, with a single-story wing extended from it.It was added to the National Register of Historic Places in 1997.

Old Chatham is a hamlet in the northeastern quadrant of the town of Chatham, located in Columbia County, New York, United States. It is one of the earliest settlements in the town and was originally named Chatham.The center of Old Chatham is marked by a few businesses around the intersection of the Albany Turnpike and County Rt. 13. These businesses include the United States Post Office for area code 12136, the Old Chatham Country Store (which includes a cafe/restaurant), and Jackson's Old Chatham House (another restaurant). The Old Chatham Sheepherding Company is also located in Old Chatham. The Wilbor House, also known as The Thompson Farm, was added to the National Register of Historic Places in 1997. Old Chatham is also the headquarters of Blass Communications. The town hosts a parade and sing-along that attracts over 1,000 people annually.

John S. Williams House and Farm, also known as Old Chatham Sheepherding Farm and Inn, is a historic home and farm designated a national historic district and located at Chatham in Columbia County, New York. The district includes seven contributing buildings. They are: the main house, a farm employee cottage, another cottage, a stone tool shed (originally a smoke house), and three small barns / garages. The main house is a two-story, frame building with a center hall plan. The house dates to the about 1770, but was extensively enlarged and remodelled in 1935–1936 in the Colonial Revival style, under direction by New York City architects Polhemus & Coffin.It was listed on the National Register of Historic Places in 1996.

Brainard is a hamlet in the town of in the Village of East Nassau, Rensselaer County, New York, United States. The community is located along U.S. Route 20 and New York State Route 66 5.2 miles (8.4 km) east-south east of the village of Nassau. Brainard has a post office with ZIP code 12024, which opened on April 7, 1881.The community was named after David Brainerd, a Christian missionary to local Indians.

Powell House, named after Elsie K. Powell Sr., is the Quaker conference and retreat center of the New York Yearly Meeting of the Religious Society of Friends, located in Old Chatham, New York.

Church Street Historic District is a national historic district located at Nassau in Rensselaer County, New York. It consists of 36 contributing buildings located along Church Street. They include a variety of residential and ecclesiastical building. New England Federal style buildings predominate, with a number of notable Victorian period buildings, including a Second Empire residence dated to the 1870s. Notable churches include St. Mary's Church (1925), Nassau Reformed Church (1901), and Grace United Methodist Church (1833).It was listed on the National Register of Historic Places in 1978.

Henry Tunis Smith Farm, also known as the Middlebrook Farm, is a historic farmhouse located at Nassau in Rensselaer County, New York. The house was built in 1789 in the Federal style. It consists of a 1+1⁄2-story main block, five bays wide, with a 1-story, three-bay wing. The front facade features a finely detailed frieze.It was listed on the National Register of Historic Places in 1975.The house sits on a historic property that traces back to the 17th century Dutch Manor of Rensselaerswyck Rensselaerswyck was a Dutch estate of approximately 1,200 sq. miles comprising the present Albany, Columbia and Rensselaer counties. The Dutch Patroon Stephen Van Rensselaer devised a solution to sustain the financial viability of the land without selling it. He divided the estate into parcels and granted tenants perpetual leases at moderate rates of about one percent of the land's output. Eventually, about 900 farms of 150 acres were established. The solution greatly increased the productivity for the land and generated large economic benefit for the entire Albany area. The current farm property includes the original parcel leased from Van Rensselaer.

Spengler Bridge, named after Henry Cones Spengler (26 Feb 1847 - 25 Aug 1911), Chatham County Highway Commissioner, is a historic Pratt Truss bridge located at Chatham in Columbia County, New York. It was built in 1880 by the Morse Bridge Company of Youngstown, Ohio. It is composed of two Pratt trusses with counters, each 138 feet in length. It measures 16 feet wide and crosses the Kinderhook Creek.It was added to the National Register of Historic Places in 1973.

Chatham Street Row, also known as the Chatham Street Historic District, is a set of five historic buildings located at Nassau in Rensselaer County, New York. They were built between 1812 and 1880. They include the Vandenberg House (No. 18, 1870), Louisa Heusted House (No. 20, ca. 1880), and the Heusted Store (No. 14, 1864). The Vandenberg House and Louisa Heusted House are notable for the decorative scrollwork on their verandah. Also included is the Phillip Cook House (No. 16, 1812), a five bay, brick Federal style dwelling and the Parsonage (No. 22, 1839).It was listed on the National Register of Historic Places in 1978.

Chatham is a town in Columbia County, New York, United States. The population was 4,104 at the 2020 census, down from the 2010 census.The town has a village also called Chatham on its southern town line. The town is at the northern border of Columbia County.

East Nassau Central School is a historic school building located at East Nassau in Rensselaer County, New York. It was built in 1930 and is a two-story, steel frame and concrete block building with a brick veneer in the Classical Revival style. It sits upon a raised concrete foundation and has a flat roof concealed behind a low parapet wall with concrete capstones. It features a small entrance portico of brick with concrete trim and a wrought iron balustrade.It was listed on the National Register of Historic Places in 1997.

Albany Avenue Historic District is a national historic district located at Nassau in Rensselaer County, New York. It consists of 10 contributing buildings. They date from about 1800 to about 1920 and include seven Federal styles residences, two early 20th century residences, and one Greek Revival temple-style residence.It was listed on the National Register of Historic Places in 1978.