How much is an eviction? (Not filed by a landlord)

Just confirming that your mom has permission from her own landlord to sublet a room?

Can I terminate his lease? What do I do with his belongings and property? I would like to sale the place so what are my options?

Is he in custody and not paying rent? If so you can initiate the eviction proceedings.

What is best/fastest way to evict roommate not on lease who isn't paying

Did your roommate sign the agreement with you or with your landlord?

You should call the police for assistance ASAP.

Can I terminate my lease due to these unlivable conditions? Am I responsible for hiring an exterminator?

You can refer to the original posting for additional information.

Can the landlord cut my heat and hot water and take my parking spot because I'm living my security deposit.

From the facts you provide it does appear he is in the wrong. Tell him you will take him to court if he doesn't act right.

If the home owner takes the rent on 3/1/2016 do we still have 30 days to move on 4/1/2016

Please provide the necessary details asked for the by the attorneys for additional assistance.

What day do you go buy on the letter, the date they wrote it feb 26, or the postal stamp feb29 or the day it was delivered 03/02

How are you saying that you didn't receive the letter when you are saying you received it March 2?

It will depend on the length of the document most likely.

Is the tenant considered served considering eviction only (not for monetary claim) by posting the notice on the door?

In many states attorneys are actually prohibited from talking to a person they know is represented by another attorney for ethics reasons.