Hello: Whether you are entitled to a refund would depend on the language of the contract and compliance with article 29-BB ("Prohibited Service...

Hello: Of course it is not legal. You may want to consider moving since this landlord cannot abide by the law.

Hello: See https://nycourts.gov/courthelp/family/visitation.shtml

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Hello: These claims are usually pursued in small claims court. See https://rentguidelinesboard.cityofnewyork.us/resources/faqs/security-deposits/

Hello: Typos, etc. will not per se void a contract but may make it ambiguous and a court may be required to construe the parties intent in a...

Hello: Yes - but by court order. You can also ask her to move. perhaps, some sort of neutral third party can assist in this family dispute.

Hello: Play it safe - work out this new arrangement by written agreement and have it incorporated into a new order. Custody determinations...

Hello: It would appear you are seeking to set aside the agreement. This may involve litigation.

Hello: You either litigate or move - see e.g. https://jmpattorney.blogspot.com/2021/03/more-noisy-neighbors.html

Hello: There should be a custody/parenting order/agreement that should first be reviewed by counsel.