Call Today (920) 432-1007
Toll Free (800) 472-3348
FAX: (920) 436-7771

About Us

A Green Bay Tradition

Mark D. Olejniczak Realty, Inc. is a full-service real estate company with professional agents serving Northeast Wisconsin. Our extensive experience, dedication to our customers and proven track record help define us as one of the premier real estate agencies in the area.


Our successful real estate agency started in 1980 and continues today with a full-time, state-certified sales team (with more than 21 average years of experience per sales associate), and knowledgeable support staff.


In addition to our highly experienced and professional real estate agents, another contributing factor to our success is the commitment of each of our team members. Everyone is dedicated not only to personal success but also to the success of the company as a whole. This is very evident in the spirit throughout our office every day.


Ready to get started? Fill out our contact form to connect with a broker today!

22 Reasons to Choose Mark D. Olejniczak Realty, Inc.

  1. A Green Bay tradition since 1980
  2. Full-time, professionally trained and state licensed sales associates
  3. Professional top-producing sales staff with over 21 average years experience per sales associate with annual average sales of approximately $4 million per associate over the last 5 years
  4. Certified Residential Specialist (CRS) designation earned by nearly 38% of Realtors at Mark D. Olejniczak Realty, Inc., versus less than 3% nationally
  5. Member of Realtors Association of Northeast Wisconsin (RANW) Multiple Listing Service
  6. Extensive corporate referral base with leading area businesses
  7. Providing incoming and outgoing corporate and third-party relocation services
  8. In-house advertising with full-time advertising director
  9. Unequaled print advertising program including full-color Sunday ads in the Press Gazette
  10. All properties featured in Green Bay Homes & More publication
  11. Internet and social media advertising to targeted audiences
  12. Detailed color data sheets for marketing your property
  13. Property advertised on the internet at,,,,, and
  14. Open houses are all posted on,,, and Paragon
  15. Mark D. Olejniczak is showcased on which means all our listings may have up to 60 photos and personalized remarks on each property
  16. Weekly company tour of new listings following each week’s sales meeting
  17. Receive direct feedback after showings from your Olejniczak agents
  18. A TV in our lobby displaying all our current home listings
  19. Optional 360º Virtual Tour or multiple digital photos of your home
  20. Home warranty plans available
  21. Proudly use ShowingTime to set up all the property showings and provide showing feedback
  22. On-call agent available for service over the weekend

Put Our Success to Work for You!

Call us at (920) 432-1007 or (800) 472-3348 

Best of the Bay awards 3