what can i do about this company not paying me for 100s of hours of pervailing wages i worked last year

hi im a 55 year old construction worker! i have worked for the same company for years now this is hard to explain , to some up my situation i am now unemployed because my company put me and our crew on a pervailing wage job early last year and worked us there all summer long but never payed sume of us our pervaling wage increase in pay ! he told us mouny was tight and that if we would work that job at our normal wage that at the end of the job he would pay us all the pay that he had not payed us in a big payment when we finished the job ! so we did it and he just did not pay us any of the wages he owed us ! so quit working for him ! and now i find out from the irs that he did not evan pay them any the mouny he with held from my weeekly pay checksall year ! like i did not eavan work at all last year ! i cant get unemployment or anything this has cost me 10 s 0f thousands of dallors i have lost my house my trucks registration is over due now everything is goning away ! im dam near homeless now i need help thank u