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Casselyn Tertell

Casselyn Tertell
Real Estate Agent (Managing Broker)
Hinsdale IL

Managing Broker (IL: 471000856)

18 years experience

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

Contact Information

Brokerage
Compass
Office Address
One Grant Square Ste 201
Hinsdale, IL  60521-3379
(Dupage County)
Office Phone
630-861-1800
Office Fax
Mobile
630-988-8859
Email
cass****@*************.com
Show Email for $5

Service Areas

Hillside: IL Elmhurst: IL Berkeley: IL Northlake: IL Villa Park: IL Hinsdale: IL Willowbrook: IL Clarendon Hills: IL Downers Grove: IL Westmont: IL Oakbrook Terrace: IL Oak Brook: IL Willow Springs: IL Burr Ridge: IL Darien: IL Indian Head Park: IL Western Springs: IL Woodridge: IL

About Casselyn Tertell

Since entering the real estate sector in 2008, this professional has distinguished themselves with a Managing Broker's license and a suite of specialized certifications, including Accredited Buyers Representative (ABR), Certified Negotiation Consultant (CNC), Graduate Realtor Institute (GRI), Short Sale and Foreclosure Resource Specialist (SFR), and Sellers Representative Specialist (SRS).

In 2015, they founded The Casselyn Group, assembling a team of dedicated agents and administrative professionals to enhance client service and streamline the real estate process.

Their achievements include being recognized as one of the National Association of Realtors' 30 Under 30 in 2014, an honor awarded to only thirty agents nationwide each year. Additionally, they have received the Five Star Professional award in Chicago Magazine from 2011 to 2022, and have been listed among the Top 500 Real Estate Marketers, as well as earning the Biltmore Who's Who award.

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

$810,715
Avg. Listing Price
From Casselyn'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, Casselyn Tertell has 1 property for sale in Hinsdale and surrounding areas.

$649,000

Listed 2025-12-12

25 Hidden View Dr
Westmont, IL  60559

Beds: 3.0
Baths: 2.0
Sq Ft: 1,325
Lot: 40,502 sf
Single Family Map
View Full Details

Current Property Rentals

As of 2/5/2026, Casselyn Tertell has the following rental property available in Hinsdale and surrounding areas.

$2,700

Listed 2025-11-12

970 S Saylor Ave
Elmhurst, IL  60126

Beds: 3.0
Baths: 1.0
Sq Ft: 1,148
Single Family Map
View Full Details