Property Ownership Books, 1905-1954

Bound volumes showing ownership of subdivided land (called "Block Books") and ownership of unsubdivided land (called "Land Books") in Jefferson County, Colorado for various years.

Block Books (1909-1919) indicate assessed value of land, assessed value of improvements, and schedule number of the owner. The schedule number begins with the first letter of the owner's last name and can be looked up in the Assessment Rolls and Tax Lists for the same year to determine the name of the owner. Block Books (1934-1954) indicate name of owner as well as schedule number and assessed value of land and improvements to land.

Land Books (1905-1909) include maps of each township or section showing the boundaries of unsubdivided parcels of land. Land books indicate name of owner. The 1909 book indicates schedule number of the owner and assessed value of land and improvements to land.