How long it takes California Service Center to process I 130 for a permanent resident filing for a spouse ?

Processing time of immigration petitions change depending if there is a backlog or not. You can check the processing time online on USCIS website...

Do I need to go for visa interview in I did if I change my status from B1 to F1?

Based on the facts you presented here, you need to obtain F-1 visa again in order to be able to come back to the US.

I need help applying for citizenship. I am a green card holder and I have lived in the US for 40 years. Need help with filing?

You need to have a copy of your Green Card. If you do not have one, you either need to get it through FOIA or request for replacement card.

I have a work permit and I have a pending I-485, can I go to McAllen, Texas and back to Houston crossing the Falfurrias check ?

No problems if you are not planning on crossing the border. As my colleague advised, make sure you take your EAD and a copy of your I-485 receipt...

No need to disclose parking tickets unless you have not paid them. If you have not paid them, I advice you to do so before filling your N-400...

I-130 and Adjustment of Status can be filed concurrently if you have your waiver. You can apply for EAD at the same time. It is highly advisable...

Can I Travel outside United States with N400 pending in background after interview has been de scheduled?

While your N-400 application is pending, you can travel outside of the US as long as you have a valid Green Card to enter back. Make sure you do...

What are the requirements for the Visa U?

It is highly advisable that you have a consultation with an immigration attorney to evaluate your case in details. Facts presented here is not...

Adjustment of status from J1(without tqo year home residency) to marriage greencard?

I believe you meant that you are planning on moving to Orlando in June 2018 (not 2017); and your visa expires in July 2018. The way you have...

I485 pending for years, what should I do?

After the priority dates become current, the process of I-485 adjudication takes couple of months. Now, with the interview stage, it takes more time.