William Winslow

Harbor Springs MI

Coldwell Banker Schmidt- Harbor Springs

242 Closed Sales

$137.4M Total Value

$1 - $6.5M Price Range

$568K Average Price

Prior 5 years

About William

He is a full-time real estate broker with a broad range of real estate knowledge and experience in residential sales, investment properties, development projects, vacant land, and the local planning and zoning process. He has strong working relationships with surveyors, appraisers, mortgage brokers, and builders.

He was born and raised in Carmel, California, but spent all his summers on Crooked Lake. His grandparents had a cottage in Ponshewaing and his parents purchased a cottage in the '70s. William graduated from Boston College, where he received a BA in Sociology. After college William moved to San Diego to pursue a career in law enforcement. He worked for several years with the San Diego District Attorney's Office and volunteered with the El Cajon Police Department. In 2000 he went to graduate school and earned his Masters of Business Administration from Xavier University in Cincinnati, Ohio. He returned to Petoskey in 1999 and made his start in real estate in the fall of 2001. William married his wife, Alisa, in 2005 and they live on Crooked Lake with their daughter, Evelyn, and twins Max and Wesleigh. They enjoy staying active with sailing, boating, running, and snowboarding as favorite activities throughout the year.

Home Types: House, Lot/Land, Commercial, Condo

Years of Experience: 18

Education: Xavier University - Williams College of Business MBA, Business Administration

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	37
Total Value	$21,842,700
Average Sale Price	$590,343
Price Range	$29K - $2.1M

Buyer Deals
Total Deals	11
Total Value	$5,841,000
Average Sale Price	$531,000
Price Range	$75K - $1.2M

1 Year View by Quarter

Seller Deals
Total Deals	77
Total Value	$47,004,301
Average Sale Price	$610,445
Price Range	$1 - $2.7M

Buyer Deals
Total Deals	19
Total Value	$11,331,800
Average Sale Price	$596,411
Price Range	$75K - $1.7M

2 Year View by Quarter

Seller Deals
Total Deals	180
Total Value	$99,169,168
Average Sale Price	$550,940
Price Range	$1 - $3.1M

Buyer Deals
Total Deals	62
Total Value	$38,278,850
Average Sale Price	$617,401
Price Range	$15K - $6.5M

5 Year View

William's Recent Active Listings

$335,000
- 3 Beds
- 1.5 Baths
- 1,156 Sq Ft
623 Petoskey Ave

Charlevoix, MI
Welcome to 623 Petoskey Avenue, a charming home on a spacious .64-acre lot just minutes from downtown Charlevoix and Lake Charlevoix. Bright, comfortable living spaces and thoughtful updates make this home move in ready, while the large yard offers plenty of room to entertain, garden, play, or simply enjoy Northern Michigan's beautiful seasons. Spend your mornings on the front porch, afternoons

William Winslow Coldwell Banker Schmidt- Harbor Springs

$1,750,000
- 4 Beds
- 2.5 Baths
- 2,236 Sq Ft
9669 Trails End Rd

Petoskey, MI
A sandy beach and room to expand on the Inland Waterway? Yes, please! Life on Pickerel Lake is about making the most of every season, and this exceptional property delivers. Set on three separate parcels totaling over two acres with 107 feet of beautiful sandy frontage and deep water on the Inland Waterway, it offers the Up North lifestyle families dream about. The additional rear parcels create

William Winslow Coldwell Banker Schmidt- Harbor Springs

$624,000
- 3 Beds
- 2 Baths
- 1,342 Sq Ft
4744 Lintlong Rd

Petoskey, MI
OPEN HOUSE 6/20 Saturday 1-3 pm. Tucked away in the woods on the south side of Petoskey yet just 7.5 miles from town, this custom home is the perfect blend of rustic charm and modern comfort. Built with ICF construction, in-floor radiant heat throughout, a heated two-car garage that could easily be finished into additional living space, and a 30x40 outbuilding with two oversized stalls and a work

William Winslow Coldwell Banker Schmidt- Harbor Springs

$1,385,000
- 4 Beds
- 4.5 Baths
- 4,273 Sq Ft
3785 S Blackrock Way

Harbor Springs, MI
Open house July 15th from 12-2pm Welcome to an extraordinary custom timber frame home tucked within the stunning private community of True North — where rolling meadows, mature hardwoods, and a serene private pond create a setting unlike anything else in Northern Michigan. True North is celebrated for its nationally recognized championship golf course with no tee times required. The community

William Winslow Coldwell Banker Schmidt- Harbor Springs

$379,000
- Land
- 0.73 Acre
- $519,178 per Acre
1110 Charlevoix Ave

Petoskey, MI
This .73 acre commercial vacant lot, zoned B-3b, sits along US-31 / Charlevoix Avenue in the City of Petoskey, offering outstanding visibility and a location that is hard to beat. Positioned adjacent to McLaren Northern Michigan, the region's most significant healthcare campus serving 22 counties across northern and upper Michigan, this site benefits from an established and growing daily traffic

William Winslow Coldwell Banker Schmidt- Harbor Springs

$2,350,000
- 4 Beds
- 3.5 Baths
- 4,188 Sq Ft
1248 Autumn Ln

Petoskey, MI
Join us for an open house this Saturday, June 13th from 3-4PM. The opportunity to make one of the most breathtaking views in all of Petoskey yours is finally here! Tucked at the end of a quiet cul-de-sac on the most expansive lot in Country Club Hills, this is one of the most established homes in the community, and now one of the most stunningly updated. Just minutes from downtown Petoskey, this

William Winslow Coldwell Banker Schmidt- Harbor Springs

$587,500
- 2 Beds
- 2 Baths
- 940 Sq Ft
3670 Oden Rd

Unit 9

Alanson, MI
Two deeded boat slips. A private dock. Steps from your door to Crooked Lake and the full Inland Waterway. If life on the water is what you are after, this is the address. Welcome to Boathouse Village — one of Crooked Lake's newest and most sought-after waterfront communities, where your boats are docked below and the lake is your backyard. This stunning, turnkey 2 bedroom, 2 bath condo delivers

William Winslow Coldwell Banker Schmidt- Harbor Springs

$606,500
- 2 Beds
- 2 Baths
- 940 Sq Ft
3670 Oden Rd

Unit 5

Alanson, MI
Showing on Thursday, July 9th from 10 to 3! Two deeded boat slips. A private dock. Direct access to Crooked Lake. For the serious boater or anyone who wants Northern Michigan's waterways at their fingertips, this is where the search ends. Welcome to Boathouse Village — an exclusive waterfront development built directly on the pristine waters of Crooked Lake, where your boat is steps from your

William Winslow Coldwell Banker Schmidt- Harbor Springs

$3,900,000
- 7 Beds
- 5.5 Baths
- 8,071 Sq Ft
6804 Preserve Dr N

Petoskey, MI
Set within The Preserve at Bay Harbor, one of Northern Michigan's most private and sought-after gated communities, this exceptional estate sits on 125 feet of deeded Lake Michigan shoreline with direct beach access steps from the walkout lower level. Water views greet you from the primary suite's private balcony each morning, and by evening the great room's two-story windows catch the last light

William Winslow Coldwell Banker Schmidt- Harbor Springs

Recently Sold

$87,000

Sold Jun 26, 2026
- Land
- 0.67 Acre Lot
5310 Lauretian Dr

Pleasantview Township, MI
- 2% Below List
- 36 Days On Market
William Winslow Coldwell Banker Schmidt- Harbor Springs

$830,000

Sold Jun 25, 2026
- 4 Beds
- 4 Baths
- 2,750 Sq Ft
525 High Pines Trail

Boyne City, MI
- 2% Above List
- $302/SF
- 0 Days On Market
- Current Est. Value $764K
William Winslow Coldwell Banker Schmidt- Harbor Springs

$530,000

Sold Jun 23, 2026
- 6 Beds
- 4.5 Baths
- 3,696 Sq Ft
4530 Middle Village Dr

Harbor Springs, MI
- $143/SF
- 68 Days On Market
- Current Est. Value $668K
William Winslow Coldwell Banker Schmidt- Harbor Springs

$443,000

Sold Jun 17, 2026
- 4 Beds
- 2 Baths
- 2,403 Sq Ft
4802 Blackbird Rd

Petoskey, MI
- 8% Above List
- $184/SF
- 27 Days On Market
- Current Est. Value $455K
William Winslow Coldwell Banker Schmidt- Harbor Springs

$755,000

Sold Jun 10, 2026
- 3 Beds
- 2.5 Baths
- 2,754 Sq Ft
7645 Mulberry Ln

Charlevoix, MI
- 6% Below List
- $274/SF
- 48 Days On Market
- Current Est. Value $779K
William Winslow Coldwell Banker Schmidt- Harbor Springs

$1,050,000

Sold May 19, 2026
- 4 Beds
- 2.5 Baths
- 3,923 Sq Ft
5361 Graham Rd

Petoskey, MI
- 5% Below List
- $268/SF
- 75 Days On Market
- Current Est. Value $1M
William Winslow Coldwell Banker Schmidt- Harbor Springs

$74,900

Sold May 1, 2026
- Land
- 4.46 Acre Lot
0 Wildwood Rd

Unit 478591

Petoskey, MI
- 99 Days On Market
William Winslow Coldwell Banker Schmidt- Harbor Springs

$1,025,000

Sold Apr 27, 2026
- 6 Beds
- 5.5 Baths
- 5,613 Sq Ft
796 Bellmer Rd

Petoskey, MI
- $183/SF
- 199 Days On Market
- Current Est. Value $989K
William Winslow Coldwell Banker Schmidt- Harbor Springs

$400,000

Sold Feb 4, 2026
- 1 Bed
- 3 Baths
- 2,230 Sq Ft
1040 Kemp Rd

Petoskey, MI
- $179/SF
- 61 Days On Market
- Current Est. Value $365K
William Winslow Coldwell Banker Schmidt- Harbor Springs

William Winslow

(231) 535-9568

Homes for Sale by City

William Winslow

About William

Transaction History

Seller Deals

Buyer Deals

Production Over Time

1 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

2 Year View by Quarter

Seller Deals

Buyer Deals

Production Over Time

5 Year View

William's Listings and Deals

William's Recent Active Listings

Recently Sold