Oregon Historical County Records Guide
Multnomah County Records Inventory
Tax Lot Cards
Tax lot cards, which contain official descriptions of real property, are used to track land ownership and lot size and also may serve as a deed reference. Records include tax lot number; the location of the land in reference to township, range, and section; and a description and record of changes to the property, acreage, and land owner.
Records at the Multnomah Building, Suite 175, Cartography Area:
[Tax Lot Cards], 1974, 1977-1978, 1983-1984, 1986, 1994, 2008 (130 reels of microfilm);
[Tax Lot Cards-new set-includes information transferred from old set of cards], ca.1921-present (75 cu.ft.).
Records at the John B. Yeon Building, West Entrance Basement Records Storage Room:
A & T Tax Lot Cards [Assessment and Taxation], 1986 (34 reels of microfilm).