Otherwise, he said, it will remain in effect until the city has designated sites for 200 homes.
The city has designated some unused land for public garden plots in the area.
In 1976, the city designated the house a landmark.
However, the City of Montreal has not yet designated the building into a historical site.
The city of Chicago designated the structure a landmark on July 26, 2006.
The city also has designated a few rows of houses - on 73d and 76th Streets - as landmark districts.
Last year, the city designated five new ones.
To finish it, each city designates three champions to fight in single combat to determine who will win.
Two decades later the city and Community Board 13, which guides growth in the area, designated the 25 acres for its current use.
The grounds technically belonged to no one until the city of Seoul designated it a public park in 1965.