Mari O'Brien

Green Bay WI

Preferred Properties Group, LLC

18 Closed Sales

$5.5M Total Value

$203.6K - $579.9K Price Range

$306.1K 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 Prudential Preferred Properties Licensed Agent/Broker in Wisconsin and Arizona A proven Broker/Realtor sales leader with experience expanding two 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 (*8 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	4
Total Value	$1,554,900
Average Sale Price	$388,725
Price Range	$240K - $550K

Buyer Deals
Total Deals	1
Total Value	$579,900
Average Sale Price	$579,900

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

Buyer Deals
Total Deals	2
Total Value	$819,900
Average Sale Price	$409,950
Price Range	$240K - $580K

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

Buyer Deals
Total Deals	7
Total Value	$2,027,700
Average Sale Price	$289,671
Price Range	$95K - $580K

5 Year View

Neighborhoods Mari is Experienced In

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

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
- $378/SF
- 105 Days On Market
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
- $137/SF
- 71 Days On Market
- Current Est. Value $391K
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
- $370/SF
- 55 Days On Market
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
- $139/SF
- 84 Days On Market
- Current Est. Value $258K
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
- $207/SF
- 172 Days On Market
Mari O'Brien Preferred Properties Group, LLC

$114,000

Sold Mar 3, 2024
- 2 Beds
- 2 Baths
- 938 Sq Ft
N16236 Smeester School Rd

Pembine, WI
- 15% Below List
- $122/SF
- 53 Days On Market
- Current Est. Value $154K
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
- $211/SF
- 51 Days On Market
- Current Est. Value $524K
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
- $122/SF
- 36 Days On Market
- Current Est. Value $354K
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
- $122/SF
- 70 Days On Market
- Current Est. Value $413K
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, Luxury Homes, Military Families, New Construction, Property Management

Agent License: Wisconsin #70144991

Mari O'Brien

(920) 598-5354

Homes for Sale by City

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

Neighborhoods Mari is Experienced In

Mari's Listings and Deals

Mari's Active Listings

Recently Sold

Awards and Designations

Other Experience