Whittingham Homeowner's Association (WHOA) Master Association, responsible for management of all Community amenities and employees.

Managed by the WHOA Board of Trustees, responsible for the exterior maintenance of 413 condo units. All homes within the condominiums are members of the Whittingham Homeowner's Association, some homes are members of the Greenbriar Golf Association (stated on deed).

Condo 1: All of Rutland Lane, 1-27 Winthrop Rd.

Condo 2: All of Chadwick Lane, 29-110D Winthrop.

There are 64 fee simple, single family homes within this Association.

1194 Single Family, fee simple homes. All homes within Greenbriar are members Whittingham Homeowner's Association and  Greenbriar Golf Association.