You can find an attorney in your area by searching this website. Click on the find a lawyer tab and input the necessary information for an attorney in your area. Impound hearings can be very difficult to win and are very fact specific. You may want to call a few attorneys in your area (as found on this website) and speak with them about your options. Most offer a free consultation.
Best of Luck
You have the absolute right to have an attorney present at ANY type of hearing conducted by any branch of government.
The opinions rendered herein are based on general principles of law. Laws vary from jurisdiction to jurisdiction and there are often numerous factors which can render advice or an opinion inapplicable. You should NOT make any decisions about the handling of a legal matter without first directly consulting with an attorney about the particulars of your case.