State of Texas: Is an adult child entitled to any back child support from a father who incarcerated?

Sorry, you have no claim. Perhaps the person who raised you does.

How to handle an ex making threats.

Sounds as though you guys do not have a court order for possession? "Morality" clauses are fairly typical. Not every court gives them the same...

What to expect at eviction court?

Here's a resource to explain the right way to handle these disputes: http://www.texastenant.org/ You can expect that the JP might allow you to...

I live in a 20 story condo and elevators have been sticking daily

Start with the City of Houston permitting department: http://www.houstonpermittingcenter.org/code-enforcement/elevator-inspections.html You...

Is there a way to prevent a landlord requesting the full amount left on a lease term after an eviction or move-out?

He has a duty to mitigate damages (advertise the apartment as available and attempt to lease) Essentially, you are on the hook until he leases it...

I'm 36 years old can I get back child supportfrom my father

No. You have no standing to get support. That right was held to whoever raised you.

When non custodial parent takes child to ER, who's responsibility is the bill?

Since there is no "one, universal" decree then you will have to read your decree to see what it says. Typically, the parents split post-insurance...

My ex hsb has been ignoring child visitation visits for the past 8 months, I have been recording the dates since then along with

Visitation is a right, not an obligation. Extremely unlikely that you would find a court forcing him to visit. You could potentially seek higher...

"Will I still be able to get housing with this? " Not really a legal question. Tough to predict what a private property owner will or won't do.

Talk to an attorney about this landlord's liabilities to you.