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Penny O'Brien

5.0stars, 67 Reviews
Baird & Warner
274 Closed Sales
$161.3M Total Value
$367K - $1.4M Price Range
$588.8K Average Price
Prior 5 years

About Penny

"PENNY O'BRIEN, TOP NAPERVILLE REALTOR Determination, confidence & dedication consistently lands Penny O'Brien in the top 1% of all Chicagoland agents & top agents in Naperville, IL. Penny is a prominent listing agent in Naperville. Her sale to list price is 3.3 % higher than the average agent. Penny's business continues to grow primarily through referral & repeat clients. With sellers, she believes in collaborative pricing to let the sellers choose the path for the results they wish to achieve. With buyers, her top-notch negotiation skills result in a win in most multiple offer situations."
Home Types: House, MultiFamily, Townhouse, Condo, Lot/Land
Years of Experience: 13

Transaction History

Seller Deals

Total Deals
30
Total Value
$21,331,000
Average Sale Price
$711,033
Price Range
$195K - $1.1M

Buyer Deals

Total Deals
5
Total Value
$3,139,900
Average Sale Price
$627,980
Price Range
$360K - $910K

Production Over Time

1 Year View by Quarter

Seller Deals

Total Deals
59
Total Value
$39,782,777
Average Sale Price
$674,284
Price Range
$195K - $1.1M

Buyer Deals

Total Deals
18
Total Value
$10,716,400
Average Sale Price
$595,356
Price Range
$171K - $1.1M

Production Over Time

2 Year View by Quarter

Seller Deals

Total Deals
173
Total Value
$108,014,453
Average Sale Price
$624,361
Price Range
$61K - $1.4M

Buyer Deals

Total Deals
101
Total Value
$53,315,015
Average Sale Price
$527,871
Price Range
$79K - $1.2M

Production Over Time

5 Year View

Penny's Listings and Deals

Other Experience

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

Penny's Reviews

5.0stars, 67 Reviews

4/27/26Nasir Hosain

Google Review

I had a fantastic experience working with Penny O’Brien at Baird & Warner Real Estate. Penny is highly professional, knowledgeable, and truly dedicated to her clients. She made the entire process smooth and stress-free with clear communication and expert guidance every step of the way. Her attention to detail and commitment to achieving the best results really set her apart. I highly recommend Penny O’Brien to anyone looking for a trusted and experienced real estate professional!

3/31/26Amy Houck

Google Review

I’ve had the pleasure of working with Penny O’Brien on three separate real estate transactions—both buying and selling—and I truly can’t recommend her highly enough.

Penny provides a level of service that feels completely tailored to you. She takes the time to understand your goals, preferences, and concerns, and then guides you through the process with expertise and care. Her attention to detail, responsiveness, and professionalism are exceptional, and she consistently goes above and beyond to make what can be a stressful process feel seamless.

What really sets Penny apart is how invested she is in her clients. You never feel like just another transaction—she is thoughtful, strategic, and a genuine advocate every step of the way. On top of that, she’s simply a joy to work with.

If you’re looking for a real estate agent who is knowledgeable, attentive, and truly delivers a personalized experience, Penny is the one!

2/5/26Nate Evett

Google Review

Penny ran a smooth, efficient process that got us multiple offers all above asking price. Extremely pleased with the results

Agent License: Illinois 475158156
Agent Photo

Penny O'Brien