John Evert Van Alen House

Sharpe Homestead and Cemetery is a historic home and cemetery located at Defreestville in Rensselaer County, New York. The house was built about 1740 and is a 1+1⁄2-story rectangular frame dwelling, 20 feet by 40 feet, topped by a steeply pitched gable roof covered with standing seam metal. It rests on a low fieldstone foundation. The family cemetery contains approximately a dozen stones marking the graves of the Sharpe and Barringer families.It was listed on the National Register of Historic Places in 2005.

New York State Route 915E (NY 915E) is an unsigned reference route designation for Third Avenue Extension in East Greenbush, located in Rensselaer County, New York, in the United States. The east–west highway extends for 1.67 miles (2.69 km) from an intersection with NY 151 east of the Rensselaer city limits to a junction with U.S. Route 4 (US 4) south of the hamlet of Defreestville. NY 915E was designated as New York State Route 381 from the late 1930s to 1962 and part of NY 43 from that time to the late 1990s, when it gained its current designation.

Bell Top School is an elementary school located in North Greenbush, New York, United States of America, part of the East Greenbush Central School District.

The DeFreest Homestead is a historic house and barn located in the Rensselaer Technology Park in North Greenbush, New York, United States. The homestead and surrounding land are owned and managed by Rensselaer Polytechnic Institute. It was the original home of Philip DeFreest, one of the first Dutch settlers to arrive in the mid-18th century. The land includes historic buildings typical of a working Dutch farm: a farmhouse restored in 1984 to house the park's administrative offices, and a Dutch barn. The DeFreest House was built around 1765, partially constructed of European brick used as ballast in Dutch fur trading ships that sailed up the Hudson. Between 1630 and 1850, Dutch barns dominated the landscape in the Hudson Valley. They were distinguished by their H-shaped structural frame. The DeFreest barn was constructed around 1820 of thick, 50-foot beams of hemlock more than a hundred years old when hewn, and wood re-used from earlier structures on the site. The house and surrounding homestead were listed on the National Register of Historic Places in 1977. The DeFreest Homestead has been the interest of honorary trustee C. Sheldon Roberts (RPI class of 1948), and wife, Patricia. Roberts was one of the founders of Fairchild Semiconductor.A donation from the Roberts family allowed for a renovation to make the historic barn into a modern classroom for local schoolchildren.Patricia Roberts recalls, “I can remember first seeing the DeFreest House at the end of a muddy path and realizing that it must be saved in order to preserve our past but also, as importantly, to become the centerpiece of the Technology Park. We also recognized that the nearby Dutch barn could serve a similar purpose by preserving some of its history and giving it a new purpose — to become a launch pad for our children’s future.”

The Rensselaer Technology Park is a technology park in North Greenbush, New York, USA (though with a mailing address in Troy) operated by Rensselaer Polytechnic Institute. As of 2009 the park has over 70 tenants representing a diverse range of technologies and employing over 2,400. The park is located along the Hudson River approximately five miles south of the RPI campus.

Beverwyck Manor is a historic home located at Rensselaer in Rensselaer County, New York. It was built between 1839 and 1842. It is constructed of stucco over brick and consists of a three-story, three bay wide central block with the central bay recessed. The central block is flanked by two story, single bay extensions. It has a restrained Neoclassical facade and features a one bay portico with stone steps and four Ionic order stone columns. It was built by William Paterson Van Rensselaer and later became part St. Anthony-on-Hudson Seminary, a Franciscan Seminary.The Seminary closed in 1989. The manor was used as a retreat center for a time, and then converted to a residence for staff and retired Franciscans.It was listed on the National Register of Historic Places in 1979.

The Center for Computational Innovations (CCI), (formerly the Computational Center for Nanotechnology Innovations) is a supercomputing center located at the Rensselaer Technology Park in Troy, New York.

Columbia High School (or CHS) is a public high school located on Luther Road in East Greenbush, New York, USA. It is the only high school for the East Greenbush Central School District and has a 2019-20 enrollment of approximately 1,230 students in grades 9-12. The school has a thirteen to one student to teacher ratio that is below the state average. Columbia High School, commonly referred to CHS, is home to the "Blue Devils". The principal is Michael Harkin, who replaced John Sawchuk in January 2018.

The Doane Stuart School is a private college preparatory school in Rensselaer, New York. The school is coeducational and interfaith, and it educates students from early childhood through Grade 12.

MapInfo Corporation, initially incorporated as Navigational Technologies Incorporated, was a company that developed location intelligence software. It was headquartered in North Greenbush, New York. Its products included a desktop mapping application, various map and demographic data products, and some web-based applications. It acquired several other companies in order to market their software, data, or services directly. It was acquired in 2007 by Pitney Bowes, and became Precisely in December 2019 when acquired by Syncsort.

The Patroon Island Bridge is a multi-span deck truss bridge that spans the Hudson River in Albany, New York. A major crossing, it carries Interstate 90 in the east-west direction between Albany and Rensselaer Counties. It has been in service since 1968, with structural repairs made in 1992, and a comprehensive renovation/retrofit completed in 2016. The bridge's name comes from the former Lower Patroon Island that once existed adjacent to the bridge, the channel of which dividing it from the western mainland was infilled for the construction of the bridge. A patroon was a proprietor of a tract of land in the 17th-century Dutch colony of New Netherland in North America.

Rensselaer is a city in Rensselaer County, New York, United States, and is located on the east side of the Hudson River, directly opposite of Albany. As of the 2020 census, the city population was 9,210. Rensselaer is on the western border of Rensselaer County. The area now known as the City of Rensselaer was settled by the Dutch in the 17th century, who called it t'Greyn Bos, which became Greenbush in English. The city has a rich industrial history stretching back to the 19th century, when it became a major railroad hub; In 2020, Albany-Rensselaer was the ninth busiest Amtrak station in the country and the second busiest in New York State. Rensselaer was one of the earliest locations of the dye industry in the United States, and was the first American location for the production of aspirin.