Company Information

Mark H. Diffenderfer has been working as an auctioneer since 1989 when he first started with Harold “Abe” Shaffner as an apprentice.  A graduate of Missouri Auction School, and having grown up with a Father who worked at auctions, Mark has many years of auction experience.  A Pennsylvania Licensed Auctioneer since 1991.  A licensed Realtor since 1992 and since has received an Associate Brokers license in Pennsylvania in 2002.  Mark also received his Certified General Appraiser License in 1997. In addition Mark has planned and participated in more than 150 successful real estate auctions. Mark also has seven years of auction management experience with Shaffner Auction Company which conducted 80+ personal property and real estate auctions per year in Lancaster and surrounding counties from 1999 to 2006.  With offices in Mount Joy, PA, Diffenderfer Auctions is qualified to handle real estate, antiques, furniture, household goods, vehicles and most any type of personal property or specialty auction. Honesty and Integrity are foundations for the business that strives to provide a professional and competitive method for getting the most money for whatever is sold.

One of the main reasons for the regular positive feed back we receive from our clients is the people who work for us.  Skill, dedication and hard work as well as the ability to please buyers and sellers are clearly demonstrated by all who work with Mark in preparing and implementing each auction.  Diffenderfer Auctions is proud to have such a qualified, trustworthy and committed team of professionals which are essential in any successful auction business.


2009 Auctioneers License

auctioneers license