Allegheny County Bar Association Post category:Government & Law Serves Allegheny County residents through legal information, lawyer referrals, and a listing of services offered free to the public by the Bar Association. Tags: Public You Might Also Like Internal Revenue Service (IRS) August 10, 2018 U.S. Census Bureau August 14, 2018 Allegheny County, Official Website August 9, 2018 USA.gov August 14, 2018