[Let's try again - sorry for bad link]

Calling all autists. I don't have time to parse through this at the moment, but I suspect there may be some information to be gleaned from this database:

https://countyfusion4.propertyinfo.com/countyweb/login.do?countyname=WashingtonDC

Here are some screen grabs. You'll need to sign up for an unverified account to access:

https://i.sli.mg/057LQp.png

https://i.sli.mg/ksyLVE.png

https://i.sli.mg/sLsV1y.png

Edit: Fixed links