Steam cleaned it probably 50 times couldn't get rid of the odor.

For example:$500 security deposit$400 last months rent-$1400 professional cleaning and deodorizing-$110 ozone odor treatmentBalance owed by the estate is $610 The sister claims to handling the affairs, so tell her you need her address to send the security deposit summary and return.

locals that's one thing OOS that's a whole nother kettle of fish and that kettle usually has a strong odor. 

There was so much grease in the plastic drain pipes underneath the house, the weight of the grease caused the plastic drain pipes to bow, the drain pipes snapped of at a joint and the entire underneath of the house was flooded with the stinkiest grease and odor anyone could not imagine.

., and was going to work with him on staying until they had to leave, as long as he ceased smoking in the unit.he has refused to respond, and apparently is smoking more, not less, in the unit. the amount of smoke residue, odor, costs to remove the stench, wont be cheap.since he was never on the lease, and the tenant had no legal right to allow someone to come stay, as the NEW Owner, can she file trespass and vandalism charges against the man not on the lease/or arrested for refusing to cooperate ?

The place does have an odor.

Moved in after getting rid of the cat odor. 

No inside access, but it was described as "a hoarding".I spoke with one neighbor who has been inside, she told me there wereintense odors, overwhelming stockpiles of clutter, animal feces, bugs, even rats. 

You can clean the walls with TSP, use an ozone machine (not exactly necessary, but work well to remove odors), use a good oil based primer like BIN or Kilz, and then paint the walls at that point.

Some Kilz odor blocking primer, a coat of paint and LVP throughout.  100k profit!