Is it appropriate to press charges against a licensed contractor for breach of contract?

Without specifics, it is difficult to provide more than general advice, which shouldn't be wholly relied upon as some facts may differ or not be...

A lot of questions here and not enough detail to give more than general advice, so the below should not be taken as specific as to your project,...

Is it ok for a general contractor to do tile work?

If there is a single type of work on a project (for example, glass or plumbing only), a general building contractor may contract for that specialty...

Can a unlicensed sun contractor put a pre lim on my project after he was paid also his contract was terminated due to negligence

You have raised several issues. First, when you say "pre lim" and refer to a timeframe, I understand that to be the issuance of a preliminary lien...

Yes, a construction security escrow account can be set up and "substantial completion" as well as "final completion" can be determined by a third...