About PATTON - Bitterberg

Meet Your Bitterberg Group Sales Team

  • Mark Patton
  • James Riccaboni
  • Pat Bitterberg
  • Steve Bauman


Thank you for choosing the PATTON/Bitterberg Group to meet your real estate needs.  For over three decades, our knowledge and performance has met or exceeded our customer's expectations.  We know that whatever your needs, we can be of service.

Mark Patton started his career with Shorewest Realtors in 1980.  He and Pat found they could combine their wonderful working relationship and a shared pride in the high standards of their business practices.  This has led them to a successful and long-lived partnership.  The group's talents and techniques consistently place them as the Top Sales Team in all of Wisconsin.  Mark's approach is hands down the best when it comes to a detailed understanding of the market.

James Riccaboni moved to Metro-Milwaukee from Philadelphia, PA.  He earned a Bachelors Degree in Business from Drexel University before going on to Marquette University where he received a Masters Degree in Public Service.  James couples his life experiences, academic accomplishments and diligence to assist our clients and customers in achieving their Real Estate goals.

Pat Bitterberg is originally from Bloomington, Illinois where she met her husband, Gene.  They have three daughters and four beautiful grandchildren.  She began her career with Shorewest Realtors in 1980 and fast became the number one salesperson in the company.  Pat's unsurpassed negotiating skills make her second to none.

Steve Bauman came to us with a degree in law and joined the Group in 1997.  Steve is also married and has two adult sons.  Steve's trademark is his laid-back, low pressure approach to assisting his customers.

The Group's talents and techniques consistently place them as the #1 choice in all of Wisconsin. Whether buying or selling, why not combine forces with the #1 choice?

Team Accomplishments:

  • Wisconsin's All-Time Leading Sales Group!
  • Over 129 years of combined Real Estate expertise
  • $50 MILLION SOLD in 2023

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