I overstayed my visitors visa but now I'm married to a US citizen. Will there be problem with immigration when we file my paper?

No idea if there will be other problems, but marrying a USC gives you the basis to adjust status to permanent resident even if you are out of...

Does it matter which state I obtain a lawyer in?

Where do you file state taxes, have drivers license, etc. thats your residence and where you will have your interview.

You can process the EB3 immigrant visa while on H2A, should take less than 3 years unless you are from a country that has a backlog, like India. ...

My perm LCA expired last year Aug 2017, can i file I-140 for same employer using that LCA, any way to renew it?

You are referring to PERM, Labor Certification, not LCA (H1B document). You have to file another PERM application if it has expired.

I-485 past employer salary per W2?

Why would it not be ok? we don't know anything about your case, but if you were employed then you have to disclose it.

Renewal green card?

Yes, unfortunately, this is completely normal.

Can I hire a student who is currently on an F-1 visa studying at a community college in California in my start up in Baltimore?

Doesn't sound like there is an easy solution to this but to be sure you need a consultation with an attorney. Too many variables like does this...

Contact the school where you are enrolled and ask them for I-20. You will then file the change of status request I-539 with the I-20. Follow the...

When changing the status from J-1 (Au Pair) to F-1, do you need to show that you have property in your country?

You need to send evidence that you have nonimmigrant intent and will return to your home country at the end of your studies.

Your daughter can be a dependent on O status, but you need to be married to obtain a dependent visa as his spouse. The US doesn't recognize common...