To sell a property in Philadelphia, you must get a Property Sales Certification. This is also called a Real Estate Sales Certificate.Legal advise and agreements for purchasing a business or selling a business. Get our free, updated 2022 checklist for business buyers. Find out how to get the licenses, permits, and approvals you need to run your business. Activity Get a license to do commercial or non-commercial activity. Welcome to Philadelphia's Sheriff Sales on Bid4Assets. Please visit the links below to view lists of tax foreclosure or mortgage foreclosure auctions. If you are thinking about purchasing a business from someone, you should be aware of Pennsylvania's Bulk Sale Law. Browse 179 Philadelphia, PA business opportunities available on BizBuySell.