Also if this group is looking for a more detailed response  in addition to my adverse action notice as to why we are choosing another group, are the reasons listed above okay to use since they don't fall under any discrimination laws ( age, sex, religion) Thanks for your time and help with this

Mason,I would serve the three day notice for rent, or whatever is required by your state laws, and once that has expired, file for eviction proceedings.

As my business law professor said in regard to a buyer backing out, "we can't make you buy the house, but we can make you wish you did!"

Actually,, YOUR State law dictates the period required to return a sec deposit statement.For some one like this,, I would have done a statement with outstanding rent owed and included a statement the date apartment was listed for rent,, and that the outstanding balance due would be adjusted as to the date the apartment is rented.You might have missed your window,, you might be out everything,, What did tenant sign when she left ???

There is an interesting discussion on "Deposit to Hold in Massachusetts" on the MA Law Forum:https://www.malawforum.com/content/can-i-recover-d...In a nutshell, there does not seem to be a specific MA law governing "Deposits to Hold."

I have a house in san jose downtown zoned R18 (Single family house with a ADU(Accessory Dwelling Unit) - In law unit.

You'll get there with practice looking at deals.

By law, you must delead if a family wants to rent. 

The tax laws are being negotiated.  

While it may be legal under state law, it is not under federal law, and the federal government can seize your property under civil forfeiture laws.