From the record
“Redstone Residential Historic District consists of three houses located at 19303, 19309 and 19315 Appoline Street in the Greenwich Park neighborhood in northwest Detroit. It was listed on the National Register of Historic Places in 2014.”
Wikipedia article Louis G. Redstone Residential Historic District, CC BY-SA 4.0.
One of 396 National Register listings published here for Wayne County · listed in 2014 · category: District · built in 1940.
Sources: the Wikipedia article · the National Register database, National Park Service

