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Sylvia Kos

Sylvia Kos
Real Estate Agent (Broker)
Hinsdale IL

Broker (IL: 475174611)

9 years experience

REALTOR® 1 Active Listings Serves Dupage County, IL
View on Realtor.com

Contact Information

Brokerage
Berkshire Hathaway Homeservices Chicago

Office Website
Office Address
35 S Washington St
Hinsdale, IL  60521
(Dupage County)
Office Phone
630-325-7500
Office Fax
Mobile
630-863-4684
Email
skos@bhhschicago.com

Service Areas

Westmont: IL Hinsdale: IL Willowbrook: IL Burr Ridge: IL Darien: IL Indian Head Park: IL Hodgkins: IL Willow Springs: IL La Grange: IL Summit: IL Bedford Park: IL Countryside: IL McCook: IL Downers Grove: IL Lemont: IL Homer Glen: IL Palos Park: IL Woodridge: IL Romeoville: IL Tinley Park: IL Orland Hills: IL Orland Park: IL

About Sylvia Kos

Sylvia Kos is an accomplished Realtor with extensive expertise in the Hinsdale, Willowbrook, Burr Ridge, Downers Grove, Clarendon Hills, Westmont, Western Springs, Darien, Lemont, and neighboring areas. Having resided in Hinsdale for over two decades, she possesses a deep understanding of the local market and community dynamics.

With a strong foundation in interior design and a family background in custom home building, Sylvia brings a unique perspective to her real estate practice. Her creative approach, combined with sharp business acumen and exceptional negotiation skills, enables her to provide unparalleled service to her clients. Sylvia remains actively engaged with current market trends, ensuring her clients are well-informed when navigating significant real estate decisions. Her dedication and work ethic drive her to consistently go above and beyond for those she serves.

Client testimonials highlight Sylvia's commitment to excellence. Joanna K. notes, “Sylvia was beyond amazing. She was very attentive to my needs as a first-time homeowner, asking all the right questions during our showings. Her flexible schedule and background in interior design helped me visualize my future home.”

Monika M. adds, “Working with Sylvia Bart was a pleasure. She was hands-on and always accessible, quickly responding to our questions and keeping us informed throughout the process. Thanks to her efforts, our first home purchase was a tremendous success, and we couldn’t be happier with the results!”

Dupage County, IL Real Estate Market Analysis (Single Family Homes)

$8,996,663
Avg. Listing Price
From Sylvia's portfolio
3.8 / 3.3
Avg. Beds/Baths
Typical property size
2,857 sf
Avg. Square Footage
Interior living space
1477
Active Listings
Current inventory

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Current Property Listings

As of 5/29/2026, Sylvia Kos has 1 property for sale in Hinsdale and surrounding areas.

$2,999,000

Listed 2026-05-01

6 S Elm St
Hinsdale, IL  60521

Beds: 4.0
Baths: 5.5
Sq Ft: 4,340
Single Family Map
View Full Details

Current Property Rentals

Sylvia Kos currently has no rental properties available in Hinsdale and surrounding areas. Check back later.