Social Security attorneys are prohibited by federal statute from charging attorney fees in Social Security disability cases, except for contingency fees if the claimant is found to be entitled to benefits. The statute provides that, if the claimant is found to be entitled to benefits, the attorney can recover a contingency fee of 25% of the claimant's past due benefits up to a maximum of $6,000. The attorney could potentially ask for some minimals fees up front to cover various mailing and copying expenses, but it shouldn't be much more than $100 or so. You shouldn't have any problem finding a Social Security attorney who will not charge for legal services unless they win the case.