Housing

SAE - own their house through their alumni association
Phi Psi - own their house through their alumni association
Sigma Chi - own their house through their alumni association, also possibly own the old KA house across the street from Kappa Delta
KA - renting their house from Kappa Sigma
Phi Delt - renting their house from Sigma Nu
TKE - own their house through their alumni association
Delta Sig - own their house through their alumni association
AEPi - renting their house from the university
Sig Ep - own their house through their alumni association
DU - renting their house, I'm not sure if Phi Kap owns it or the university does
Pike - renting their house from the university
ZBT - renting their house, I'm not sure if Delta Zeta owns it or the university does
D Chi - homeless
Beta - homeless
Phi Tau - homeless

As for the sororities, I know Theta owns their house and the university owns AGD's house. No idea on the others.