OT: Need Lawyer

For the first time in my life I think I am in need of an attorney......and based on all the law talk(bar exam, etc) I figured this would be a good place to start my search....

My situation:

I own and operate a foundation repair company in the Dallas Metro area.  I completed repairs on a home in The Colony(Denton County).  My contract was signed by a general contractor who was working on the home.  I do not have a signed contract with the owner.  However, I have the name and address(and phone number) of the owner of the home.  The home is not a homestead(the tax roles have it owned by XYZ Trust).

After completing the repairs the GC issued me a check(at another house he was working on in Garland....I drove over there to get paid.)  I deposited the check($2,800).  A week or so later the funds were removed from my account and the check was returned NSF.

My uderstanding is that I have to pursue the hot check in Dallas County(dallasda.com) because that is where I received the check.

I called Denton County to get the procedure for filing a lien but was told that they could give me NO info as that would be seen as legal advice.  So, here I am......seeking legal advice.

Any advice or recommendations would be appreciated.  The GC swears he is paying me on Monday...but I heard the same thing this past Tuesday and Friday(today).  At this point I want to move forward using any avenues that may be available to me(or be told that there is nothing that I can do and that I should just move on).  Also, I had the check put in "collections" at his bank(on the off chance that he makes a deposot that would cover the check.)

Thanks to all who took the time to read this.  I know it is way OT, and a little long to boot.