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Seamus Brennan

Keller Williams ONEChicago
5.026 reviews
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Recent Sales

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  • $1,080,000
    3 bd3 ba0 sqft Chicago, IL
    3 bd3 ba0 sqft
    Chicago, IL
    Sold 3 months ago
    Seller
    1825 W Sunnyside Ave, Chicago, IL, 60640
  • $189,000
    2 bd1 ba900 sqft Arlington Heights, IL
    2 bd1 ba900 sqft
    Arlington Heights, IL
    Sold 4 months ago
    Seller
    710 E Algonquin Rd #J108, Arlington Heights, IL, 60005
  • $1,050,000
    4 bd3 ba3,178 sqft La Grange, IL
    4 bd3 ba3,178 sqft
    La Grange, IL
    Sold 4 months ago
    Buyer
    446 6th Ave, La Grange, IL, 60525
  • $530,000
    2 bd2 ba0 sqft Chicago, IL
    2 bd2 ba0 sqft
    Chicago, IL
    Sold 1 year ago
    Buyer
    1244 W Ohio St #2W, Chicago, IL, 60642
  • $390,000
    4 bd2 ba1,700 sqft Bolingbrook, IL
    4 bd2 ba1,700 sqft
    Bolingbrook, IL
    Sold 1 year ago
    Buyer
    664 Birchwood Dr, Bolingbrook, IL, 60490
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4
Sales last 12 months
23
Total sales
$189K-$1.1M
Price range
$562K
Average price

Get to know Seamus Brennan

Real Estate Broker

Séamus joined Stephen+Ryan and Keller Williams ONEChicago in February of 2025 after 7 years of being with McComas Residential at @properties. He got his start in real estate game with The MG Group of Berkshire Hathaway before that in 2016. Being able to learn from these top minds of real estate and combining that with his own unique style has made Séamus a fixture in the real estate community.

Séamus brings proven success working with clients ac...

Specialties
Buyer's AgentListing AgentRelocationFirst Time Homebuyers
9 Years of experience
Visit agent website
LinkedIn

Seamus Brennan's sales and listings (23)

This map and property list shows the most recent 100 sales and 100 listings

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Sold (23)

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Seamus Brennan's reviews (26)

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  • 5.0
    • 3/1/2025
    • • Dan S

    Sold a Multiple Occupancy home in 2024 in Brookfield, IL.

    I recently worked with Seamus to sell my 2-unit rental property in the Chicago suburbs, and could not have had a better experience. Having virtually no knowledge of real ...
    I recently worked with Seamus to sell my 2-unit rental property in the Chicago suburbs, and could not have had a better experience...
    5.0
    • 1/14/2025
    • • alexxnauman

    Bought a Single Family home in 2025 in La grange park, IL.

    Seamus was a huge help navigating the new home buyer experience and helping us close the deal at the finish line. His connections and knowledge within the space are a gre...
    Seamus was a huge help navigating the new home buyer experience and helping us close the deal at the finish line. His connections ...
  • 5.0
    • 5/29/2024
    • • lexinino14

    Helped me rent a Condo home in River north, Chicago, IL.

    Seamus is the best! He knows what to ask for regarding his clients and helps when things get confusing. Our apartment was not cleaned before moving in and he stepped righ...
    Seamus is the best! He knows what to ask for regarding his clients and helps when things get confusing. Our apartment was not clea...
    5.0
    • 2/11/2024
    • • Cassie Cook

    Bought a Condo home in 2024 in Old town, Chicago, IL.

    If you're a first-time homebuyer feeling a bit overwhelmed, do yourself a favor and reach out to Seamus! Seamus will turn what might seem like a daunting task into a seam...
    If you're a first-time homebuyer feeling a bit overwhelmed, do yourself a favor and reach out to Seamus! Seamus will turn what mig...
  • 5.0
    • 10/21/2023
    • • Laura Taylor

    Bought a Townhouse home in 2023 in Logan square, Chicago, IL.

    We were beyond grateful to have Seamus as our realtor during the purchase of our first home, and we can't speak highly enough of his support and expertise on home buying ...
    We were beyond grateful to have Seamus as our realtor during the purchase of our first home, and we can't speak highly enough of h...
    5.0
    • 9/8/2023
    • • matthewblaney0

    Helped me rent a Condo home in West town, Chicago, IL.

    Seamus was a great help in our apartment hunt. This summer was a difficult time to find good properties and Seamus did everything he could to make the process easy for my...
    Seamus was a great help in our apartment hunt. This summer was a difficult time to find good properties and Seamus did everything ...
  • 5.0
    • 9/6/2023
    • • Sari Hammerstrom

    Helped me rent a Apartment home in Goose island, Chicago, IL.

    Séamus is amazing to work with! I don’t think I would’ve ended up in a great neighborhood or comfortable unit without his help. He negotiated for me and had an amazing ap...
    Séamus is amazing to work with! I don’t think I would’ve ended up in a great neighborhood or comfortable unit without his help. He...
    5.0
    • 3/24/2023
    • • Stephanie Synnestvedt

    Bought a Condo home in 2023 in Roscoe village, Chicago, IL.

    As a first time home buyer, I was nervous about the process but Seamus made it a breeze! From shows to answering my endless questions, he was always quick to respond and ...
    As a first time home buyer, I was nervous about the process but Seamus made it a breeze! From shows to answering my endless questi...
  • 5.0
    • 11/23/2022
    • • Francis Rusnak

    Bought a Single Family home in 2022 in Jeffery manor, Chicago, IL.

    Seamus was excellent. He helped guide us through our transaction seamlessly. He knew all pockets of the city and was able to advise us on all the important decisions we e...
    Seamus was excellent. He helped guide us through our transaction seamlessly. He knew all pockets of the city and was able to advis...
    5.0
    • 4/25/2022
    • • jtaylo taylor

    Bought a Vacant Land home in 2022 in Elmhurst, IL.

    Look no further than Seamus Brennan when it comes to selecting your real estate agent. His professionalism and expertise is truly unparalleled. My wife and I started lo...
    Look no further than Seamus Brennan when it comes to selecting your real estate agent. His professionalism and expertise is truly...
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Seamus Brennan

Keller Williams ONEChicago
5.026 reviews
4sales last 12 months
23total sales
$189K-$1.1Mprice range
$562Kaverage price
9years of experience
(708) 297-5061
(708) 297-5061
Seamus@stephenandryan.com
1525 W. Belmont Ave.
Chicago, IL, 60657