Subject: I'll say... no...
Author:
Posted on: 2015-06-20 23:07:00 UTC
First of all, Constantine no longer owns it, the current owner is Zatanna.
Second, it is quite more likely that DOGA would have burned the house as a Geographical Aberration, instead of just allowing it to exist, because well, it is a house, it exists in a determinate place (across the road from the House of Secrets).
Third, why would the house allow itself to be used as a RC? The House is sentient, you know.
And fourth, why would The Flowers allow the Agent to use a sentient magical house that exists in multiple dimensions at once as a RC?