Sylvia Kos

Hinsdale IL

Berkshire Hathaway HomeServices Chicago

46 Closed Sales

$29.8M Total Value

$204K - $2.6M Price Range

$647.7K Average Price

Prior 5 years

About Sylvia

Sylvia Kos is a savvy professional Realtor serving Hinsdale, Willowbrook, Burr Ridge, Downers Grove, Clarendon Hills, Westmont, Western Springs, Darien, Lemont, and surrounding communities. Growing up in Hinsdale, Sylvia has the local insight and neighborhood knowledge that comes from being a resident for over 20 years. She is a superlative sales professional, combining her creativity, business savvy approach, and excellent negotiating skills to cater to her clients with the utmost service.

Sylvia’s background in interior design and growing up with family in custom home building has shaped her skills today. Staying engaged and studying current market trends helps to keep her clients fully informed when making important real estate decisions. It is Sylvia’s work ethic and desire to please others that keeps her working around the clock for her clients.

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

Years of Experience: 9

Transaction History

1 Year
2 Year
5 Year

Seller Deals

Total Deals

Total Value

$2,800,000

Average Sale Price

$466,667

Price Range

$70K - $880K

Buyer Deals

Total Deals

Total Value

$2,167,000

Average Sale Price

$722,333

Price Range

$355K - $1.3M

Seller Deals

Total Deals

Total Value

$4,455,550

Average Sale Price

$445,555

Price Range

$70K - $880K

Buyer Deals

Total Deals

Total Value

$3,761,500

Average Sale Price

$626,917

Price Range

$240K - $1.3M

Seller Deals

Total Deals

Total Value

$21,391,886

Average Sale Price

$737,651

Price Range

$70K - $2.6M

Buyer Deals

Total Deals

Total Value

$8,404,500

Average Sale Price

$494,382

Price Range

$103K - $1.3M

5 Year View

Neighborhoods Sylvia is Experienced In

Sylvia's Active Listings

$2,999,000
- 5 Beds
- 5.5 Baths
- 4,340 Sq Ft
6 S Elm St

Hinsdale, IL
Just completed, professionally staged, and ready for its new owner-this thoughtfully designed new construction home offers a seamless blend of timeless elegance and modern comfort in the highly sought-after, walk-to-town Robbins Park Historic District. Showcasing high-end finishes throughout, the open-concept floor plan is anchored by a stunning chef's kitchen featuring top-of-the-line

Sylvia Kos Berkshire Hathaway HomeServices Chicago

Recently Sold

$595,000 Sold Dec 15, 2025
- 4 Beds
- 2 Baths
- 2,650 Sq Ft
7037 W 72nd Place

Chicago, IL
- 5% Below List
- $225/SF
- 25 Days On Market
- Current Est. Value $586K
Sylvia Kos Berkshire Hathaway HomeServices Chicago

$70,000 Sold Nov 21, 2025
- Land
- 0 Sq Ft Lot
4821 S Lotus Ave

Chicago, IL
- 46% Below List
- $50/SF
- 382 Days On Market
- Current Est. Value $178K
Sylvia Kos Berkshire Hathaway HomeServices Chicago

$880,000 Sold Sep 30, 2025
- 4 Beds
- 2.5 Baths
- 2,927 Sq Ft
1411 Frenchmans Bend Dr

Naperville, IL
- 4% Above List
- $301/SF
- 4 Days On Market
- Current Est. Value $879K
Sylvia Kos Berkshire Hathaway HomeServices Chicago

$665,000 Sold Aug 28, 2025
- 3 Beds
- 2.5 Baths
- 2,003 Sq Ft
36 E 55th St

Hinsdale, IL
- 1% Below List
- $332/SF
- 18 Days On Market
- Current Est. Value $703K
Sylvia Kos Berkshire Hathaway HomeServices Chicago

$328,000 Sold May 30, 2025
- 4 Beds
- 2 Baths
- 1,672 Sq Ft
7046 W 115th St

Worth, IL
- 2% Above List
- $196/SF
- 2 Days On Market
- Current Est. Value $337K
Sylvia Kos Berkshire Hathaway HomeServices Chicago

$262,000 Sold May 12, 2025
- 2 Beds
- 1.5 Baths
- 1,669 Sq Ft
10956 S 76th Ave

Unit F

Palos Hills, IL
- 1% Above List
- $157/SF
- 23 Days On Market
- Current Est. Value $267K
Sylvia Kos Berkshire Hathaway HomeServices Chicago

$262,000 Sold Dec 31, 2024
- 4 Beds
- 1.5 Baths
- 1,497 Sq Ft
8201 S La Salle St

Chicago, IL
- 17% Below List
- $175/SF
- 27 Days On Market
- Current Est. Value $273K
Sylvia Kos Berkshire Hathaway HomeServices Chicago

$462,300 Sold Dec 3, 2024
- 4 Beds
- 1.5 Baths
- 1,932 Sq Ft
12500 S Melvina Ave

Palos Heights, IL
- 3% Below List
- $239/SF
- 6 Days On Market
- Current Est. Value $463K
Sylvia Kos Berkshire Hathaway HomeServices Chicago

$540,000 Sold Jun 14, 2024
- 2 Beds
- 2.5 Baths
- 1,188 Sq Ft
2S712 Williamsburg Ct

Unit 41

Oak Brook, IL
- 10% Below List
- $455/SF
- 51 Days On Market
- Current Est. Value $510K
Sylvia Kos Berkshire Hathaway HomeServices Chicago

Other Experience

First Time Home Buyers, Investments, Luxury Homes, New Construction

Agent License: Illinois 475174611

Sylvia Kos

(331) 246-0700

Homes for Sale by City

Sylvia Kos

About Sylvia

Transaction History

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Production Over Time

5 Year View

Neighborhoods Sylvia is Experienced In

Sylvia's Listings and Deals

Sylvia's Active Listings

Recently Sold

Other Experience