GDC - 60 Years Creating Special Places
Cortlandt Manor, NY

Old Oaks at Blue Mountain

The 20 single family homes of Old Oaks sit among the trees with all of the charm of grand turn-of-the-century shingle style homes. Each home is landscaped to complement the secluded rolling site with lots ranging from one to four acres. Old Oaks is adjacent to the beautiful Blue Mountain Reservation in Cortlandt Manor. Old Oaks was the recipient of a national award for Best in America for Homes Over 4,000 Square Feet.
Old Oak at Blue Mountain


Off Watch Hill Road, Cortlandt Manor, NY

No. and Type of Units:

20 Single Family Homes


John Karhu and Associates

Completion Date:


Unique Amenities:

Large secluded wooded lots, Adjacent to Blue Mountain Reservation, Virtually unlimited selection of materials and finishings.


Admirals Covew at Haverstraw

Luxury Residential Rentals

GDC is currently marketing the following luxury residential rental developments.

Commercial Properties

GDC has a select portfolio of office and retail properties in Westchester County.

The Abbey Inn and Spa


Discover the magic of GDC’s Abbey Inn & Spa and Apropos Restaurant.

Prior Residential

Explore GDC’s proud history of residential development in New York and Connecticut.