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Penny O'Brien

Penny O'Brien
Real Estate Agent (Broker)
Naperville IL

Broker (IL: 475158156)

13 years experience

REALTOR® 7 Active Listings Serves Dupage County, IL
View on Realtor.com

Contact Information

Brokerage
Baird & Warner Naperville

Office Website
Office Address
836 W 75th St
Naperville, IL  60565
(Dupage County)
Office Phone
312-500-2590
Office Fax
Mobile
630-778-1855
Email
penn********@***********.com
Show Email for $5

Service Areas

Aurora: IL Naperville: IL Warrenville: IL Woodridge: IL

About Penny O'Brien

Penny O’Brien is synonymous with dedication and tenacity in the real estate sector. As a broker with Baird & Warner, she has established herself as the leading individual agent in Naperville, boasting over 100 reviews on Zillow. In 2019, she achieved remarkable sales exceeding $22 million, a testament to her effectiveness as an agent, particularly while working with a part-time assistant. This accomplishment consistently places her in the top 1 percent of agents in Naperville.

Her innovative and proactive marketing techniques earned her the 2018 Innovative Property Marketing Award. Penny emphasizes, “My focus extends beyond self-promotion; I ensure that every property is showcased in my marketing efforts.”

As a certified Real Estate Negotiation Expert, Penny excels in securing optimal prices and terms for her clients. In competitive bidding scenarios, her extensive negotiation skills often make the difference in winning a home. Clients appreciate her straightforward approach, as she candidly advises them on necessary actions to enhance their home’s marketability, rather than simply telling them what they wish to hear.

In addition to her negotiation prowess, Penny is a certified stager and Seller Representative Specialist. She enjoys collaborating with sellers to identify pre-market improvements that will make their homes “showtime ready.” Believing strongly in the power of professional staging, she offers this service at no additional cost. Known for her “good-looking listings,” Penny helps clients achieve higher returns and quicker sales, stating, “Staging elevates a home from ordinary to extraordinary.” She often reminds clients, “Every home has a story, and we’re here to tell yours.”

Penny attributes her success to her ability to listen to clients, tailoring her approach to meet their unique needs and communicating in their preferred style. She recognizes that “real estate is a personality-driven business.” In addition to her work with sellers, Penny enjoys assisting a diverse range of buyers, including first-time homebuyers, downsizers, and those looking to upgrade, ensuring they find homes that align with their current life stages.

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

$810,715
Avg. Listing Price
From Penny'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, Penny O'Brien has 7 properties for sale in Naperville and surrounding areas.

$569,000

Listed 2026-02-05

3747 N Ashland Ave Apt 2S
Chicago, IL  60613

Beds: 2.0
Baths: 2.0
Sq Ft: 1,382
Condos Map
View Full Details

$399,000

Listed 2026-01-15

1712 Coach Dr
Naperville, IL  60565

Beds: 3.0
Baths: 2.5
Sq Ft: 1,631
Townhomes Map
View Full Details

$679,000

Listed 2026-01-15

4507 Barr Creek Ln
Naperville, IL  60564

Beds: 4.0
Baths: 2.5
Sq Ft: 2,476
Lot: 11,326 sf
Single Family Map
View Full Details

$750,000

Listed 2026-01-23

3847 Gold Cup Ln
Naperville, IL  60564

Beds: 4.0
Baths: 2.5
Sq Ft: 2,397
Lot: 10,890 sf
Single Family Map
View Full Details

$475,000

Listed 2026-01-29

3021 Saganashkee Ln
Naperville, IL  60564

Beds: 3.0
Baths: 2.5
Sq Ft: 1,963
Townhomes Map
View Full Details

$849,000

Listed 2026-02-05

5332 Cedar Dr
Naperville, IL  60564

Beds: 5.0
Baths: 4.0
Sq Ft: 3,216
Lot: 11,326 sf
Single Family Map
View Full Details

$975,000

Listed 2025-10-16

3003 Kingbird Ct
Naperville, IL  60564

Beds: 4.0
Baths: 5.0
Sq Ft: 3,617
Single Family Map
View Full Details

Current Property Rentals

Penny O'Brien currently has no rental properties available in Naperville and surrounding areas. Check back later.