In my particular situation, I've come to the conclusion, based on legislation I've read (I added some material below for those that want to read it but not go looking for it), that we won't return the "pet deposit".

The "powers that be" in Seattle are actively looking at legislative options to limit short term vacation rentals such as airbnb and vrbo.  

@Shaune FaustWhat are the requirements under NY State tenancy legislation?

State legislators are not difficult to influence and there's lots of landliords you can mobilize.

If there is a surplus we either apply it towards rent or, if winter is approaching, leave it in the fund.You can put the requirement to have the utilities transferred into the tenants name in your schedule to the lease.Dawn, Al - Québec, like NB, and a few other provinces in Canada has a standard lease (or, at least it did when I lived there) to which a landlord can provide a schedule of their own "rules" (provided they do not contravene the standard lease or {naturally} the legislation).

Here in Maryland Baltimore County they just tried to pass similar legislation last week.

for the crazy legislation and city action they review and combat on our behalf!

She may need to board the animal if her son is not able to take care of his animal at his own residence.Did you know, some states have passed legislation that makes it a crime to fraudulently represent an animal as a service animal?

Judges and lawmakers will see when legislation is needed if issues repeatedly come up or someone makes a loud noise. 

You might want a lawyer.There is specific federal legislation around leases and active duty military who get a change of location or MOP.