How can I register a divorce in California? We get divorce in Peru.

You don't need to register it here unless you need to enforce any of it's provisions.

Can my ex take my son 7 hours away and not make arrangements 2 CM She is the birth mother?

I suggest contacting the facility and provided proof that you are the parent and try and make arrangements to visit.

How do I change a court order?

You could agree to communicate on through a website like "talkingparents.com" which keeps tract of all posts and decreases the negativity.

Is a modification needed if both parents agree to try and keep visitation percentage/child support amount the same?

You don't need to file a motion but it would be better to file the Stipulation and Order re Custody; what that does is formalize your agreement...

My x is moving from California to Washington, we have a wage garnishment order in place. How does his new employer get notified?

You need to have a new wage assignment prepared that is directed to the new employer.

How much child support will I pay?

See Atty Straus' link to calculator, but roughly $324 assuming you file single and she files HH

You cannot change your name on your custody orders so in the event that you would have to enforce the orders, you would have to also have the...

Served papers to respondant did not know he had attorney from 2011. Judge said I didn't serve properly? What can I do?

If it's pre-Judgment on what I assume is a paternity case, then service on the attorney would be appropriate if the attorney has made a previous...

He is asking for 50% of the time in not going to give him that I'll only give him 3 days a week so you think that's ok

imho - 3 days per week is very reasonable.

I want status divorce. Should I bifurcate (FL315, FL300, FL335) or file for a default judgement (FL-165, FL170, FL180).

Get a default Judgment and include custody orders that correspondent with custody requests in your Petition.