Do you have any of your roommate's property? If so the best way to protect yourself is to return it.

Am I able to take him to court (and potentially win) for back rent?

Has he left already? You likely can't get him for back rent since no agreement was signed.

Do sub-lease agreements fall under the same rule of "fixed term lease" for security deposits? No 30 days notice allowed in CA?

I agree with Attorney Moss - from the facts provided it seems that the best way to handle this is in small claims court.

See above

You can always ask for more certain/detailed terms to be put in the lease.

Can a tenant get out of the lease per statues 83.21 and 83.56?

It would be a bit more helpful to outline some of the issues that you are having.

How do I transfer my J1 visa to F1. 2 yr residency rule does not apply in my situation. Will simply enrolling in school will do

The change of status is request is made on the Form I-539 Application.

Am I Barred from adjustment of status through marriage because of a previous asylum application?

Why did you withdraw the application? Had you had your interview?

Is the delay in email receipt normal? when does the 15 day clock start? Please advise.

Sometimes I've even received approvals before the receipts - things slow down a bit around the holidays.

My husband is sponsoring me for a green card. How soon can I sponsor my 19 year old son for a green card?

How old was your son when you and your husband got married?

She can bring her passport but she should get all of her documents updated before finishing the GC process.