23 in southeast Portland in the U.S. state of Oregon is a two-story structure listed on the National Register of Historic Places.

The lot was the site of one of East Portland's earliest firehouses, home to Grant Engine Company No.

The first floor of the interior originally included the engine room, two offices, a hallway, and a half-bath (toilet and sink).

The second floor consisted of a large room in front, with two smaller offices, a kitchen, bathroom, and hallway in back.

Retiring to the mountain community of Zigzag to design and build a hotel in 1908, he returned to Portland in 1911 to become battalion chief of the city's southeast fire district.