We dug up this great ad for some Mt. Pleasant home in the Washington Post. This was published on June 18th, 1922.
Here is the same row of homes today on Google Street View.[googlemaps https://maps.google.com/maps?gl=us&ie=UTF8&ll=38.933225,-77.045424&spn=0.004957,0.010568&t=m&z=17&layer=c&cbll=38.933134,-77.045335&panoid=65fhGTJ5gFKO5bvC7lf6Vw&cbp=13,290.31,,0,-2.56&source=embed&output=svembed]