I agree with the answers above. It is time to hire a construction attorney and a qualified expert to see if the work meets the contract...

You can generally withhold payment for the reasonable value of the missing items. A lot of this will depend on the written contract (if any).

I would recommend getting a good plumber expert to diagnose the issue. Give the builder a chance to fix it, then have a plumber come in and do it...

Possibly, but there is not enough information to tell. You need an expert to investigate and determine what is going on.

Do you have an attorney for the dissolution? I would discuss this with him or her first.

This is not a construction issue, but an insurance question. And yes, you should be concerned with a four week wait. I would be proactive and get...

Typically work has to start on the home for a lien to attach. Ordering material is not enough. But if the contractor did not give you notice to...

I agree with the answers above. The lesson here is vet a contractor before you hire them. It can be difficult.

You need a construction attorney to assist you now. The adjuster is not working to your benefit.

You need to see a construction lawyer who understands insurance. An insurer adjuster has a duty to assist you in finding coverage.