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Diana Hardek

Diana Hardek
Real Estate Agent (Broker)
Wheaton IL

Broker (IL: 475127196)

42 years experience

REALTOR® 2 Active Listings Serves Dupage County, IL
View on Realtor.com

Contact Information

Brokerage
Keller Williams Premiere Properties

Office Website
Office Address
218 W Willow Ave
Wheaton, IL  60187
(Dupage County)
Office Phone
630-545-9860
Office Fax
Mobile
630-710-9721
Email
dian*******@**.com
Show Email for $5

Service Areas

Glen Ellyn: IL Downers Grove: IL Lombard: IL Wheaton: IL Winfield: IL Lisle: IL Naperville: IL Warrenville: IL Carol Stream: IL West Chicago: IL Northwoods: IL Wayne: IL St. Charles: IL Hillside: IL Elmhurst: IL Berkeley: IL Northlake: IL Villa Park: IL

About Diana Hardek

Diana began her real estate career in the 1980s, managing 27 apartment units while simultaneously excelling as the top sales agent at her brokerage. With over $100 million in career sales and decades of experience, she has established herself as a knowledgeable and reliable professional in the industry. Known for her calm demeanor and strong negotiation skills, Diana approaches challenges with a determined, can-do attitude.

In addition to her real estate expertise, Diana has a distinguished background in sports. She played collegiate volleyball and was a competitor on the women’s racquetball pro tour, where she notably won the U.S. Open Racquetball National Championship. This competitive spirit translates into her real estate practice, where she advocates fiercely for her clients, treating them with the care and respect of family.

When she is not assisting clients, Diana enjoys spending her leisure time on the golf course or cherishing moments with her grandchildren.

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

$810,715
Avg. Listing Price
From Diana's portfolio
3.7 / 3.1
Avg. Beds/Baths
Typical property size
2,679 sf
Avg. Square Footage
Interior living space
1402
Active Listings
Current inventory

DuPage County, Illinois stands as one of the most robust and sophisticated real estate markets in the Chicago metropolitan area, with 7,630 actively licensed agents working across its diverse communities. This substantial agent population reflects the county's economic vitality and the complexity of its housing landscape, which spans from luxury suburban enclaves like Hinsdale and Oak Brook to rapidly growing communities such as Naperville and Wheaton.

The county's real estate market benefits from its strategic position as both a major employment hub and a desirable residential destination. With all 7,630 licensed agents maintaining active email contacts, the market demonstrates a high level of digital engagement and professional connectivity that facilitates efficient transactions across price points ranging from starter condos in Glen Ellyn to multi-million dollar estates in Burr Ridge.

Major Dupage County, Illinois Real Estate Markets

Naperville dominates as the county's largest real estate market, consistently ranking among Illinois' most desirable cities for families and professionals. The city's excellent school districts and corporate headquarters presence drive sustained demand, while nearby Downers Grove and Lombard offer more affordable alternatives with similar amenities. Aurora's western sections within DuPage County represent emerging growth areas, particularly appealing to first-time homebuyers seeking value.

The eastern communities of Elmhurst, Villa Park, and Addison benefit from exceptional transportation access to downtown Chicago, creating distinct micro-markets with varying price dynamics. Westmont and Clarendon Hills have emerged as hidden gems for buyers seeking walkable downtown areas, while Lisle attracts technology professionals due to its proximity to the Illinois Technology and Research Corridor.

Market Dynamics and Geographic Complexity

DuPage County's real estate market exhibits remarkable resilience due to its economic diversification, with major employers in healthcare, technology, and finance providing stable demand across multiple price segments. The county's 28 municipalities each maintain distinct character and pricing structures, from the historic charm of Glen Ellyn to the modern corporate environment of Oak Brook, requiring agents to develop specialized local expertise.

Surprisingly, the county's western edge communities like Carol Stream and Glendale Heights have experienced some of the strongest appreciation rates in recent years, as buyers discover excellent value propositions. The market also shows increasing interest in townhome and condominium developments, particularly in Wheaton and Wood Dale, as demographics shift toward lower-maintenance living options.

Why Businesses Need Dupage County, Illinois Agent Contact Data

Real estate service providers, from mortgage lenders to home improvement contractors, require comprehensive agent contact databases to effectively reach DuPage County's extensive network of 7,630 professionals. The county's high transaction volume and affluent client base make it particularly attractive for luxury service providers, property technology companies, and financial services firms seeking to establish meaningful business relationships with active agents.

Marketing professionals and B2B service companies benefit significantly from having verified email contacts for all licensed agents, enabling targeted campaigns for continuing education, professional services, and real estate technology solutions. Given the county's sophisticated market dynamics and high average transaction values, businesses that successfully connect with these agents often see substantial return on investment through sustained professional partnerships.

Current Property Listings

As of 2/17/2026, Diana Hardek has 2 properties for sale in Wheaton and surrounding areas.

$399,900

Listed 2026-01-03

2S600 Angeline Ct
Warrenville, IL  60555

Beds: 3.0
Baths: 2.0
Sq Ft: 1,608
Lot: 13,068 sf
Single Family Map
View Full Details

$699,900

Listed 2026-01-27

661 Willow Rd
Naperville, IL  60540

Beds: 4.0
Baths: 1.5
Sq Ft: 2,374
Lot: 11,326 sf
Single Family Map
View Full Details

Current Property Rentals

Diana Hardek currently has no rental properties available in Wheaton and surrounding areas. Check back later.