If i sue my ex-landlord for $5k in small claims for stolen items in my apt, can he countersue me for anything, i.e.: unpaid rent

Your ex-landlord could file a counterclaim for rent against you if you filed an action against him.

Shareholder of an LLC secretively opened up similar LLC on the side with similar DBA. Dissolved the LLC I was in with him/her.

Although your business partner should have done things to further your partnership business, it looks like he did things for his own benefit. You...

How do u serve documents on a landlord that resides out of state?in a civil landlord tenant matter

If you serve the papers in accordance with New York State law, your service will be recognized in New York. New York has the following statute...

My landlord in New York ripped me off a $3000 deposit and said that she didn't return it because she had a "bad year."

You should initiate a lawsuit against your landlord for the return of your deposit.

Can a Brooklyn landlord hand a tenant (mid lease) a new lease.......

The landlord can hand you a lease and demand that you sign it. But, the landlord cannot make you sign the lease.

How do I get security deposit back?

You should consider bringing litigation as litigation will better enable you to handle excuses your landlord may have for not returning your deposit.

How do I evict a tenant in a luxury Manhattan condo apartment for nonpayment of rent?

You should seriously consider retaining a lawyer. If you retain a lawyer, the results will be better than if you did it yourself in all likelihood....

You should wait for a court judgment and have the marshal enter the apartment and change the locks.

Landlord failing to enforce lease

You might try mediation. The NY Peace Institute, nypeace.org, might be able to help you in this regard.

Without the landlord's consent, a co-signer cannot be removed from a lease. With the landlord's consent, a co-signer can be removed from a lease. A...