Does anyone know for certain what happened to MJK's room in the years following her murder?

I seem to recall some writer visiting Miller's Court in the 1930s, just before it was demolished, and noting that #13 looked as though it had never been occupied again, which may of course have been an exaggeration. And I don't imagine John McCarthy would have kept a rent-producing property empty out of ethical/sentimental reasons. I suppose he just scrubbed away all the blood, fixed that pesky door look, and rented #13 out again.

But I've never really read anything about it. Has anyone?