William Iwinski Real Estate Agent - Mid-America Realty & Investment

William Iwinski listing agent for 224 Olesen Dr, Naperville, IL - sold for $1,050,000 — Sold $1,050,000

William Iwinski buyer's agent for 813 Williamstown Dr, Carol Stream, IL - sold for $735,000 — Sold $735,000

William Iwinski listing agent for 4908 Cross St, Downers Grove, IL - sold for $265,000 — Sold $265,000

William Iwinski buyer's agent for 430 Walnut Creek Ln Unit 2207, Lisle, IL - sold for $119,500 — Sold $119,500

William Iwinski listing agent for 758 Hickory Ln, Carol Stream, IL - sold for $393,000 — Sold $393,000

William Iwinski listing agent for 6401 Saratoga Ave, Downers Grove, IL - sold for $417,500 — Sold $417,500

William Iwinski

Downers Grove IL

Mid-America Realty & Investment

10 Closed Sales

$4.9M Total Value

$119.5K - $1.1M Price Range

$492.1K Average Price

Prior 5 years

About William

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

Years of Experience: 20

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	1
Total Value	$265,000
Average Sale Price	$265,000

Seller Deals
Total Deals	4
Total Value	$2,125,500
Average Sale Price	$531,375
Price Range	$265K - $1.1M

Buyer Deals
Total Deals	1
Total Value	$735,000
Average Sale Price	$735,000

Seller Deals
Total Deals	8
Total Value	$4,066,750
Average Sale Price	$508,344
Price Range	$265K - $1.1M

Buyer Deals
Total Deals	2
Total Value	$854,500
Average Sale Price	$427,250
Price Range	$120K - $735K

5 Year View

Neighborhoods William is Experienced In

William's Listings and Deals

Recently Sold

$265,000

Sold Jul 21, 2025
- Land
- 0.25 Acres Lot
4908 Cross St

Downers Grove, IL
- 10% Below List
- 70 Days On Market
- Current Est. Value $282K
William Iwinski Mid-America Realty & Investment

$1,050,000

Sold Jun 25, 2025
- 3 Beds
- 2.5 Baths
- 2,389 Sq Ft
224 Olesen Dr

Naperville, IL
- 2% Below List
- 5 Days On Market
- $440/SF
- Current Est. Value $830K
William Iwinski Mid-America Realty & Investment

$393,000

Sold Apr 28, 2025
- 3 Beds
- 1.5 Baths
- 1,400 Sq Ft
758 Hickory Ln

Carol Stream, IL
- 7% Above List
- 4 Days On Market
- $281/SF
- Current Est. Value $394K
William Iwinski Mid-America Realty & Investment

$417,500

Sold Dec 23, 2024
- 3 Beds
- 3 Baths
- 2,688 Sq Ft
6401 Saratoga Ave

Downers Grove, IL
- 10% Below List
- 90 Days On Market
- $155/SF
- Current Est. Value $565K
William Iwinski Mid-America Realty & Investment

$610,000

Sold Dec 18, 2023
- 4 Beds
- 2.5 Baths
- 2,948 Sq Ft
4023 W End Rd

Downers Grove, IL
- 4% Below List
- 30 Days On Market
- $207/SF
- Current Est. Value $778K
William Iwinski Mid-America Realty & Investment

$418,750

Sold Feb 23, 2023
- 4 Beds
- 3 Baths
- 2,608 Sq Ft
1110 68th St

Downers Grove, IL
- 1% Below List
- 14 Days On Market
- $161/SF
- Current Est. Value $558K
William Iwinski Mid-America Realty & Investment

$362,500

Sold Jan 7, 2022
- 4 Beds
- 3 Baths
- 2,162 Sq Ft
1810 Lewis Ln

New Lenox, IL
- 6% Below List
- 48 Days On Market
- $168/SF
- Current Est. Value $460K
William Iwinski Mid-America Realty & Investment

Agent License: Illinois 471017581

William Iwinski

(630) 895-8006

Mid-America Realty & Investment

(630) 895-8006

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