Mark D Olejniczak

Mark D Olejniczak
Real Estate Agent
Green Bay WI

(WI: )

REALTOR® 1 Active Listings Serves Brown County, WI
View on Realtor.com

Contact Information

Brokerage
Mark D Olejniczak Realty Inc

Office Website
Office Address
375 W St Joseph St
Green Bay, WI  54301
(Brown County)
Office Phone
800-472-3348
Office Fax
920-436-7771
Mobile
920-436-7771
Email
mdolejniczak@gmail.com

Service Areas

Allouez: WI Green Bay: WI Ashwaubenon: WI Bellevue: WI Howard: WI Suamico: WI Hobart: WI Wrightstown: WI Oneida: WI De Pere: WI Dyckesville: WI New Franken: WI Sobieski: WI Little Suamico: WI Rio Creek: WI Algoma: WI Luxemburg: WI Kewaunee: WI Tisch Mills: WI Casco: WI Brussels: WI Baileys Harbor: WI Jacksonport: WI Maplewood: WI Egg Harbor: WI Ellison Bay: WI Ephraim: WI Fish Creek: WI Denmark: WI Forestville: WI Sister Bay: WI Sevastopol: WI Little Sturgeon: WI Sturgeon Bay: WI Washington Island: WI Nichols: WI Shiocton: WI

About Mark Olejniczak

**Mark Olejniczak: Real Estate Professional**

Mark Olejniczak has been a dedicated real estate professional since 1977, bringing decades of expertise to the industry. He has been recognized as a finalist for the Best of the Bay Readers' Choice Award by the Green Bay Press-Gazette for eight consecutive years (2010-2017) and was honored in the prestigious Who's Who in America in 1981. Mark holds a degree from the Realtors Institute and is a Certified Residential Specialist, underscoring his commitment to excellence in real estate.

A lifelong resident of Green Bay, Mark is married and a proud father of five. His personal interests include spending quality time with family, swimming, boating, basketball, golf, and maintaining an active lifestyle.

**Awards and Recognitions:**
- Academic Little All-American Quarterback, University of Wisconsin Stevens Point
- Inductee, UWSP Hall of Fame
- Director, University of Wisconsin Stevens Point Foundation Inc.
- Former Head Coach, Girls' Varsity Basketball, Green Bay Notre Dame High School
- Wisconsin High School Basketball Coach of the Year, Green Bay Notre Dame High School
- State Championship Coach, Green Bay Notre Dame High School

**Community Engagement:**
Mark is deeply involved in various community initiatives, including:
- VIP Chairman and Director at St. Vincent Hospital
- Advisory Board Member at St. Vincent Hospital
- Director of the Green Bay Board of Realtors
- Director of the Green Bay MLS
- Director of the Green Bay Chamber of Commerce
- Co-Chairman of Small Business at Heritage Hill
- Chairman of the Homes Magazine Committee
- Member of the Metro Service Task Force Committee
- Volunteer for the Weidner Center Capital Campaign
- President of Green Bay Metro Basketball
- Chairman of the Holy Family Multi-Purpose Center
- Board Member of Pop Warner Football
- Director at Our Lady of Charity
- Advisory Committee Member for Sisters of St. Francis of Holy Cross
- VIP Chairman for Children's Hospital
- Chairman of the Village of Allouez Economic Development Committee
- Member of the Allouez Business Association
- Member of the Allouez Excellence in Business Committee

Mark Olejniczak's extensive experience and community involvement make him a trusted resource in the real estate market, dedicated to serving his clients and the Green Bay community.

Brown County, WI Real Estate Market Analysis (Single Family Homes)

$507,019
Avg. Listing Price
From Mark's portfolio
3.3 / 2.6
Avg. Beds/Baths
Typical property size
2,300 sf
Avg. Square Footage
Interior living space
694
Active Listings
Current inventory

If you need to reach working real estate agents in Brown County, Wisconsin, this list was built for you. Mortgage lenders, title companies, PropTech platforms, and insurance providers use it to get in front of active, licensed agents who close deals in the Green Bay market every day. Continuing education providers, franchise recruiters, and real estate technology vendors rely on it to fill pipelines without wasting budget on statewide campaigns that reach agents three counties away from where they actually do business.

With {{AGENT_COUNT}} actively licensed agents and {{CELL_COUNT}} records that include verified cell phone numbers, this is a working dataset, not a dumped directory scrape. Whether you are running an email sequence through a cold-email platform like Zap Contact (zapcontact.com) or building a targeted outreach campaign, you need contacts that actually deliver. This list gives you that foundation without the guesswork.

Why Buy a Brown County Real Estate Agent Email List From Dr Bill

Every record is sourced directly from the Wisconsin Department of Safety and Professional Services licensing database, so you are only reaching agents who hold an active license right now. New emails are added weekly, the full list is cleaned monthly, and the entire dataset is rebuilt from scratch bi-annually. That process backs a 96% deliverability guarantee that cheap data brokers simply cannot match because they are not doing the maintenance work behind the scenes.

Dr Bill has been selling verified agent lists since 2005 and has moved over 31,000 lists to buyers who come back repeatedly because the data performs. When you compare that track record against a low-cost bulk download with no sourcing transparency, the difference shows up immediately in your bounce rates and your replies.

How to Use This Brown County Agent List

The most direct application is cold email. Load the list into a platform like Zap Contact, segment by broker versus sales agent, and run sequences tailored to each audience. Brokers respond to tools and services that help their teams; sales agents respond to products that help them close. That segmentation alone improves response rates significantly. You can also use the data for direct mail campaigns or push it into LinkedIn for matched-audience advertising.

For teams running phone outreach, the {{CELL_COUNT}} cell phone records make it possible to build a real dial list rather than chasing office lines that go nowhere. The list is available at the state, county, city, and zip code level, and no other vendor sells Brown County agent data filtered down to the zip code level, which means you can isolate specific neighborhoods within the county instead of overbidding on reach you do not need.

Why Brown County, Wisconsin Agent Data Matters

Brown County covers Green Bay, De Pere, Ashwaubenon, Howard, and Bellevue, among other communities, each with its own active agent community and its own mix of residential and commercial activity. When you buy Brown County real estate agent email list data at this level of specificity, you are not diluting your message across agents working in markets that have nothing to do with your offer. Local targeting converts better because the messaging can be precise.

With {{AGENT_COUNT}} verified contacts working specifically in this county, your outreach lands with agents who are actually relevant to your business. A statewide Wisconsin list might look impressive by volume, but most of those agents are outside your service area, your licensing jurisdiction, or your referral network. Tight geographic targeting with clean, current data is what separates a campaign that generates meetings from one that generates spam complaints.

Current Property Listings

As of 6/27/2026, Mark Olejniczak has 1 property for sale in Green Bay and surrounding areas.

$949,900

Listed 2025-10-29

3062 Hawk Ridge Trl
Suamico, WI  54313

Beds: 4.0
Baths: 4.5
Sq Ft: 5,702
Lot: 58,806 sf
Single Family Map
View Full Details

Current Property Rentals

Mark Olejniczak currently has no rental properties available in Green Bay and surrounding areas. Check back later.