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Penny O'Brien

Baird & WarnerLead of The Penny O'Brien Group
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Recent Sales

Sales numbers represent all team members
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  • $1,030,000
    5 bd5 ba3,617 sqft Naperville, IL
    5 bd5 ba3,617 sqft
    Naperville, IL
    Sold 18 days ago
    Seller
    3003 Kingbird Ct, Naperville, IL, 60564
  • $870,000
    4 bd5 ba3,446 sqft Naperville, IL
    4 bd5 ba3,446 sqft
    Naperville, IL
    Sold 2 months ago
    Seller
    3420 Sunnyside Ct, Naperville, IL, 60564
  • $765,000
    7 bd5 ba4,881 sqft Plainfield, IL
    7 bd5 ba4,881 sqft
    Plainfield, IL
    Sold 2 months ago
    Seller
    16127 Gamay Dr, Plainfield, IL, 60586
  • $772,500
    5 bd3 ba3,184 sqft Naperville, IL
    5 bd3 ba3,184 sqft
    Naperville, IL
    Sold 2 months ago
    Seller
    1112 Saratoga Ct, Naperville, IL, 60564
  • $750,000
    4 bd4 ba3,028 sqft Naperville, IL
    4 bd4 ba3,028 sqft
    Naperville, IL
    Sold 3 months ago
    BuyerSeller
    3611 Grassmere Rd, Naperville, IL, 60564
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32
Sales last 12 months
607
Total sales
$28K-$1.1M
Price range
$602K
Average price

Get to know The Penny O'Brien Group

Broker

Specialties
Buyer's AgentListing AgentRelocationStaging
13 Years of experience

Team listings & sales (613)

For Sale
For Rent
Sold
This map can show the most recent 100 listings and 100 sales. Review all listings and sales below.

For Sale (6)

Sold (607)

Address
Sold date
Closing price
Represented
Flag Sale
1/30/2026$1,030,000Seller
12/22/2025$870,000Seller
12/10/2025$765,000Seller
12/8/2025$772,500Seller
11/24/2025$750,000Buyer and Seller

Team reviews (241)

Reviews represent all team members.

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  • 5.0
    • 2/11/2025
    • Pavan Kumar Mukka

    Bought a Single Family home in 2025 in Plainfield, IL.

    Review for: Karina Stamper
    Karina did an outstanding job on the purchase of our home. She was accessible and very responsive. Clarified all our queries, chased down seller agents when in need of ad...
    Karina did an outstanding job on the purchase of our home. She was accessible and very responsive. Clarified all our queries, chas...
    5.0
    • 1/15/2025
    • nds0122

    Bought a Single Family home in 2024 in Woodridge, IL.

    Review for: Karina Stamper
    We had an incredible experience working with Karina! She always ensured we had quick access to showings and never missed an opportunity to see a potential home. One of he...
    We had an incredible experience working with Karina! She always ensured we had quick access to showings and never missed an opport...
  • 5.0
    • 1/13/2025
    • Jennifer Marquez

    Bought a Condo home in 2024 in Lisle, IL.

    Review for: Karina Stamper
    Karina did an amazing job helping us with the purchase of our condo! Being first time homebuyers, she guided us from the start to the end, very fast at replying to any qu...
    Karina did an amazing job helping us with the purchase of our condo! Being first time homebuyers, she guided us from the start to ...
    5.0
    • 1/13/2025
    • valentinperez43

    Bought and sold a Single Family home in 2025 in Bolingbrook, IL.

    Review for: Karina Stamper
    Karina is the best! She was thorough and professional and great to work with. She kept us apprised about available appointments and always let us know as soon as a new on...
    Karina is the best! She was thorough and professional and great to work with. She kept us apprised about available appointments an...
  • 5.0
    • 12/5/2024
    • Emily Kong

    Bought and sold a Single Family home in 2024 in Big woods, Aurora, IL.

    Review for: Karina Stamper
    We had the privilege of working with Karina on four real estate transactions—she helped us buy two homes and later sell both of them. Throughout each experience, Karina d...
    We had the privilege of working with Karina on four real estate transactions—she helped us buy two homes and later sell both of th...
    5.0
    • 11/15/2024
    • peternorji

    Bought a Single Family home in 2024 in Timber creek, Naperville, IL.

    Review for: Penny O'Brien
    Penny did qn outstanding job helping us buy our new home. Her local expertise and graciousness were of immense value. We were remote for most of the time and Penny would ...
    Penny did qn outstanding job helping us buy our new home. Her local expertise and graciousness were of immense value. We were remo...
  • 5.0
    • 9/9/2024
    • AzizKhodzhaev

    Bought a Single Family home in 2024 in Waterford, Aurora, IL.

    Review for: Karina Stamper
    As a first-time homebuyer, I had a lot of questions and concerns, but Karina was incredibly patient, knowledgeable, and supportive throughout the entire process. The whol...
    As a first-time homebuyer, I had a lot of questions and concerns, but Karina was incredibly patient, knowledgeable, and supportive...
    5.0
    • 7/25/2024
    • zuser20160116095702026

    Sold a Single Family home in 2024 in Green trails, Lisle, IL.

    Review for: Penny O'Brien
    Penny helped us sell 10% above list price a few days after listing, selecting from over 20 offers and a half dozen competitive offers. With a unique modern house with var...
    Penny helped us sell 10% above list price a few days after listing, selecting from over 20 offers and a half dozen competitive off...
  • 5.0
    • 4/21/2024
    • Abhay

    Bought a Single Family home in 2024 in Grande park, Plainfield, IL.

    Review for: Karina Stamper
    I recently had the pleasure of working with Karina as my buyer's property agent, and I must say, the experience was nothing short of exceptional. From the moment I reache...
    I recently had the pleasure of working with Karina as my buyer's property agent, and I must say, the experience was nothing short ...
    5.0
    • 8/15/2023
    • cindiroberts77

    Bought and sold a Single Family home in 2023 in Stillwater, Naperville, IL.

    Review for: Penny O'Brien
    Penny is super knowledgeable about Naperville, housing trends, proper pricing, and individual subdivisions. She is very responsive, returning calls promptly and making su...
    Penny is super knowledgeable about Naperville, housing trends, proper pricing, and individual subdivisions. She is very responsive...
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TEAM

Penny O'Brien

Baird & WarnerLead of The Penny O'Brien Group
32sales last 12 months
607total sales
$28K-$1.1Mprice range
$602Kaverage price
13years of experience