About our Company
Experienced New Home Builders
Founded in 1979 , the Cambridge Companies is a vertically integrated real estate development, construction, and management firm with an expertise in new development, redevelopment, and renovation. The firm maintains an active presence in a wide variety of residential, retail, and commercial projects throughout Florida and the greater New York metropolitan area.
Cambridge has developed an impressive portfolio of residential properties, ranging from luxury homes and condominium projects to much sought-after affordable housing alternatives. As a developer of more than 1,000 units of residential housing in and around New York City, the company has rightfully gained a reputation not only as one of the regions most successful real estate firms but also one that is conscious of the needs of the communities it serves.
Ethan H. Lazar, the second generation in this family owned business, is President of Cambridge Development and Construction Corporation, a real estate company that develops and builds projects on behalf of the Lazar family and its partners. Recently completed projects include award-winning Deerfield Ponds—a unique community of 240 single-family homes and new town homes situated on 350 acres in Dutchess County—and the Cambridge Club—a 90-unit luxury condominium project located in downtown Manhattan.
In addition to River Ridge at Hyde Park, Cambridge is currently developing a distinctive Craftsman-style community of single-family homes in the historic town of Pawling, New York, and a 33-story luxury condominium tower in the heart of Lincoln Square in Manhattan. For more information, click here. In New York City, along West End Avenue, Cambridge is also developing an exclusive 175-unit luxury hi-rise condominium project.
The Cambridge Companies and its subsidiaries are headquartered at 419 Park Avenue South, in New York City
Featured News
Look for articles featuring River Ridge in The New York Times as well as local papers.






Why Buy New?
A New River Ridge Home: Built for Your Family
Your new River Ridge Residential home is a promise. Here, you and your family will enjoy all the attributes of an existing home, without all the worry, unpredictability and unexpected costs. It's the best-of-both-worlds . . . all the good and none of the bad. And so much more.
1535 Sq. Ft.
1985 Sq. Ft
2205 Sq. Ft
2744 Sq. Ft
2835 Sq. Ft
2835 Sq. Ft