Plain language definition
Not applicable
Detailed definition
Refers to the period in time during which the building or dwelling was originally constructed.
Values (English)
Total - Period of construction
1920 or before
1921 to 1945
1946 to 1960
1961 to 1970
1971 to 1980
1981 to 1990
1991 to 1995
1996 to 2000
2001 to 2005
2006 to 2011