I hired a excavator contractor to do site work a septic system total approx $ 80:000:00 paid him $ 55.000.00 he has not fin the work he failed health inspection He filed a lien And by him filling the lien all of final funding can’t be released to pay the remaking subs and him I can’t get a c of o with out the final inspection on the septic approval ( he also has not fin the final grading or the final drive way What can I do