The Portland Thirteenth Avenue Historic District is a 11.7-acre historic district which was listed on the National Register of Historic Places in 1987.It included 20 contributing buildings, including work by architect William C. Knighton.Two buildings in the district were designed by architect William C. Knighton.Structures:
Wadhams and Kerr Bros. Building
Kerr Building
Wikipedia https://en.wikipedia.org/wiki/Portland_Thirteenth_Avenue_Historic_District
Address 447 NW 13th Ave, Portland 97209, United States
Coordinates 45°31'34.712" N -122°41'3.944" E
