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Mark D. Olejniczak Realty, Inc.
375 W. St. Joseph St.
Green Bay, WI 54301

Mark D. Olejniczak Realty, Inc. – Green Bay, WI Real Estate Company |

Mark D. Olejniczak Realty, Inc., Real Estate Company Since 1980.

Mark D. Olejniczak Realty, Inc. is a full-service real estate company located in Green Bay, WI. Our dedicated staff serves the Northeast Wisconsin areas of Green Bay, Appleton, Oshkosh, and Fon du Lac. Use our website to search for homes, waterfront homes, condos, land, commercial properties, multifamily properties, new construction, historic homes, and more! You can save your searches and we will send you daily email alerts of new listings, price changes, sold data, and market reports.


Our Green Bay, WI Realtors® & Real Estate Agents are committed to making your real estate experience a successful one. Whether buying, selling, or relocating to the area, our knowledgeable, professional Realtors will get you the results you desire. Every member of our team is dedicated to meeting all the real estate needs of our customers. Read: Our Response to Coronavirus

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We have a Realtor available at our office 5 days a week, 8 am – 5 pm, and on-call during nights and weekends to answer any question you may have about the process of buying and selling real estate.


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