Among the many country estates known to have been in Rijswijk are:
The cladding materials employed led to the estate being colloquially known as "Legoland".
In 1883 Green built a three-story hotel and opera house complex on his estate known as Columbia Hall.
The estate now known as Værdalsbruket was first established in 1807.
The estate known as Medelgård was first mentioned in 1345.
As his portion of the family legacy he received the estate known as Kazimierówka.
This mill stood was part of a small estate known as The Comb.
In Roman times much of the area was occupied by a large estate known as the Triopius.
The earliest reference to the estate subsequently known as Stubbers was in 1334.
At that time all of the land in the current district was part of his estate, known as Hillcrest.