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

About Us

About Us

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


Our successful real estate agency started in 1980 and continues today with a full-time, professionally trained and state-certified sales team (with more than 21 average years of experience per sales associate), and a 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 to not only personal success, but to the success of the company as a whole. This is very evident in the spirit throughout our office every day.

Reasons to Choose Mark D. Olejniczak Realty, Inc.


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

“Put Our Success to Work for You”

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