Mari O'Brien Real Estate Agent - Preferred Properties Group, LLC

2621 Bay Harbor Cir, Ashwaubenon, WI For Sale $939,900 - listed by Mari O'Brien — For Sale $939,900

4536 Valhalla Rd, New Franken, WI For Sale $899,995 - listed by Mari O'Brien — For Sale $899,995

Mari O'Brien buyer's agent for 2617 Bay Harbor Cir Unit 4, Green Bay, WI - sold for $872,500 — Sold $872,500

Mari O'Brien buyer's agent for 2585 S Stellita Cir, de Pere, WI - sold for $579,900 — Sold $579,900

Mari O'Brien

Green Bay WI

Preferred Properties Group, LLC

19 Closed Sales

$6.4M Total Value

$203.6K - $872.5K Price Range

$335.9K Average Price

Prior 5 years

About Mari

Licenced Broker since 1986! Current Broker Owner In Northeast Wisconsin and Door County specializing in Luxury Properties. Broker Owner Preferred Properties Licensed Agent/Broker in Wisconsin and Arizona A proven Broker/Realtor sales leader with experience expanding three decades, I understand what it takes for clients to be successful in today’s hyper competitive real estate market. With technology expertise as well as continued education in contracts and negotiation my professional experience brings countless new ways for clients to market and discover Real Estate for RESULTS. Professional Designations and Significant Achievements. GRI, CRSE Certified Relocation Specialist Fine Homes specialist*Pinnacle Award 2001, 2002, 2003, 2004 (*32 million dollars minimum volume requirement per year in sales)*Presidents Circle 2004 (Top 10 in most units closed in Northeastern region of all Coldwell Banker offices)*Owner of Mari O’Brien Realtors Better Homes and Gardens Real Estate until 2000.

Home Types: House, Condo

Years of Experience: 40

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	2
Total Value	$914,900
Average Sale Price	$457,450
Price Range	$365K - $550K

Buyer Deals
Total Deals	1
Total Value	$872,500
Average Sale Price	$872,500

Seller Deals
Total Deals	5
Total Value	$1,799,900
Average Sale Price	$359,980
Price Range	$240K - $550K

Buyer Deals
Total Deals	3
Total Value	$1,692,400
Average Sale Price	$564,133
Price Range	$240K - $873K

Seller Deals
Total Deals	11
Total Value	$3,482,200
Average Sale Price	$316,564
Price Range	$114K - $550K

Buyer Deals
Total Deals	8
Total Value	$2,900,200
Average Sale Price	$362,525
Price Range	$95K - $873K

5 Year View

Areas Mari is Experienced In

Mari's Listings and Deals

Mari's Active Listings

$939,900
- 3 Beds
- 3 Baths
- 2,940 Sq Ft
2621 Bay Harbor Cir

Ashwaubenon, WI
Rare Fox River waterfront luxury condo in gated Bay Harbor Condominiums with 2 deeded boat slips and resort-style amenities. This stunning 3,000 SF residence spans 3 levels with soaring 2-story ceilings, dramatic floor-to-ceiling windows, stacked-stone fireplace, chef’s kitchen with quartz counters, custom cabinetry & premium appliances. Luxurious primary suite offers spa like walk-in shower &

Mari O'Brien Preferred Properties Group, LLC

$899,995
- 4 Beds
- 2.5 Baths
- 3,338 Sq Ft
4536 Valhalla Rd

New Franken, WI
Dont Wait!!! Here is this Summer's best chance to ownand amazing luxury home! Set on nearly 2 beautifully landscaped acres, this custom all-brick ranch offers refined comfort, exceptional privacy, and effortless entertaining. Open and light filled rooms, expansive windows to frame the views from both levels, rich maple finishes, solid surfaces, hardwood floors, 2 fireplaces, and a luxurious

Mari O'Brien Preferred Properties Group, LLC

Recently Sold

$549,900

Sold Nov 20, 2025
- 3 Beds
- 2 Baths
- 1,453 Sq Ft
7784 State Highway 42

Unit 302

Egg Harbor, WI
- 5% Above List
- 105 Days On Market
- $378/SF
Mari O'Brien Preferred Properties Group, LLC

$365,000

Sold Oct 10, 2025
- 3 Beds
- 2.5 Baths
- 2,660 Sq Ft
2564 Edgewood Ln

Green Bay, WI
- 4% Below List
- 71 Days On Market
- $137/SF
- Current Est. Value $398K
Mari O'Brien Preferred Properties Group, LLC

$400,000

Sold Jun 15, 2025
- 2 Beds
- 2 Baths
- 1,080 Sq Ft
7784 State Highway 42

Unit 301

Egg Harbor, WI
- 55 Days On Market
- $370/SF
Mari O'Brien Preferred Properties Group, LLC

$240,000

Sold May 30, 2025
- 4 Beds
- 1.5 Baths
- 1,722 Sq Ft
312 N Michigan St

de Pere, WI
- 8% Below List
- 84 Days On Market
- $139/SF
- Current Est. Value $273K
Mari O'Brien Preferred Properties Group, LLC

$245,000

Sold Sep 20, 2024
- 2 Beds
- 1 Bath
- 1,184 Sq Ft
118 S Washington St

Unit 320B

Green Bay, WI
- 12% Below List
- 172 Days On Market
- $207/SF
Mari O'Brien Preferred Properties Group, LLC

$465,000

Sold Dec 20, 2023
- 3 Beds
- 2.5 Baths
- 2,205 Sq Ft
2629 Teresa Dr

Green Bay, WI
- 7% Below List
- 51 Days On Market
- $211/SF
- Current Est. Value $542K
Mari O'Brien Preferred Properties Group, LLC

$300,000

Sold Jun 3, 2022
- 3 Beds
- 2 Baths
- 2,455 Sq Ft
926 S 7th St

de Pere, WI
- 4% Above List
- 36 Days On Market
- $122/SF
- Current Est. Value $355K
Mari O'Brien Preferred Properties Group, LLC

$318,000

Sold May 6, 2022
- 3 Beds
- 2 Baths
- 2,610 Sq Ft
2604 Hillside Heights Dr

Green Bay, WI
- 4% Above List
- 70 Days On Market
- $122/SF
- Current Est. Value $421K
Mari O'Brien Preferred Properties Group, LLC

$281,700

Sold Dec 10, 2021
- 3 Beds
- 1.5 Baths
- 2,708 Sq Ft
499 Bader St

Green Bay, WI
- 9% Below List
- 87 Days On Market
- $104/SF
- Current Est. Value $370K
Mari O'Brien Preferred Properties Group, LLC

Awards and Designations

GRI - Graduate REALTOR Institute
CLHMS - Certified Luxury Home Marketing Specialist
CRS - Certified Residential Specialist

Other Experience

Investments, Military Families, Senior Communities, Luxury Homes, New Construction, Relocation, Residential, Waterfront, Condos & Co-ops, Historic Homes, Probate & Inherited Properties

Agent License: Wisconsin #70144991

Mari O'Brien

(920) 598-5354

Nearby Homes

Mari O'Brien

About Mari

Transaction History

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Areas Mari is Experienced In

Mari's Listings and Deals

Mari's Active Listings

Recently Sold

Awards and Designations

Other Experience