Source: Library of Congress

We came across this advertisement in the December 17th, 1877 Evening Star. Luckily, the home on P Street is still there and you can have 1523 P St. for a cool $1,085,000.

[googlemaps https://maps.google.com/maps?cbp=12,4.68,,0,-6.57&layer=c&panoid=7nHHT6BIP0mS1ugSq35rQg&cbll=38.909639,-77.035663&dg=opt&ie=UTF8&ll=38.87767,-76.994247&spn=0.36456,0.724411&t=m&z=11&source=embed&output=svembed]

It also appears that 911 L St. is still around, though boarded up in Google Street View.

[googlemaps https://maps.google.com/maps?cbp=12,354.77,,0,-11.98&layer=c&panoid=IhnrBu_KzbwZUO2S5vEivg&cbll=38.904176,-77.024499&dg=opt&ie=UTF8&ll=38.872325,-76.983261&spn=0.364587,0.724411&t=m&z=11&source=embed&output=svembed]