In the state of nyc can a landlord enter your apartment without notice with a 15 years old girl and no adult available

This is controlled by the lease as my colleague implies, but if there is an emergency, the landlord can enter no matter what the lease says. If...

What to do when other broker doesn't acknowledge my broker?

This is simply a matter of standing your ground. You say to these people that they speak to your broker or nobody.

If a tenant is month to month in Brooklyn NY & commits via email to giving 60 days notice/staying for the year, is this binding?

For it to have been binding, there would have had to have been a reply email from the landlord saying, "I agree to that" or something that clearly...

What do I do ?

Serve her with a one month termination notice (effective October 31) and bring a holdover proceeding in District Court in early November. There...

Can I share my 1 bedroom apartment with a roommate for less than 30 days?

It is legal for you to have a roommate for less than 30 days. You are obliged to inform your landlord of ANY roommate who moves in with...

If a tenant damages unit upon moving out, can the security be used to cover potential lost rental income during repairs?

No. The security deposit can only be used for the repairs themselves. However, if the tenant left owing money, then the security deposit can be...

Yes, you are entitled to do this without former permission.

Do I owe rent on a commercial lease that I think ended this month, but my landlord says ends next month?

Well, you can pay and sue him back for it. But, yes, you appear to be right that he's insisting on one month too many.

Morally, it is harassment, but technically, when you have announced that you are not going to pay rent, it is not harassment to sue you for it.

My Rights If The Landlord Sells The Property & Has A Real Estate Agency Helping The Landlord Sell His Proerty?

No, you cannot be kicked out. If you are rent stabilized under 421-a, then you are protected.