1900 SW 4th Ave, Suite 7100, Portland, OR 97201
Historic resource, reference, and historical maps.
70 Years of Change in East Portland (11/1/10)
Age of Downtown Buildings, 1932 (1/26/07)
Inventory by Bosco-Milligan Foundation 1995, updated 2011
Historic Exempt Resources 2008-2009 (11/1/10)
Historic Resource Inventory Map (4/25/11)
Information on properties surveyed as part of the 1984 Historic Resource Inventory
Portland Industrial Districts, 1928 (1/26/07)
Portland Paving Map, 1894 (2/14/07)
Portland Plat Map, c. 1906 (2/27/07)
Map showing distribution of residential and commercial properties currently enrolled in the Historic Special Assessment Program.
Portland Structures: 50 years or older (3/20/09)
Survey of Portland, recorded 1852 (1/26/07)
Possibly prepared as early as 1848. Recorded 1852.
Westside Waterfront, 1923 (1/26/07)
Complilation map from a later date showing blocks, surveys and features from c. 1845-1852
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