
Get to know The Big City Team
Licensed REALTOR® NYC & Naples FL
Colin O’Leary is a licensed real estate professional serving New York City and Southwest Florida. A U.S. Air Force veteran, husband, and father of two, he is known for integrity, discipline, and a client-first approach. In 2021, he founded The Big City Team at Berkshire Hathaway HomeServices Fillmore, guiding clients through Manhattan’s luxury condos, Brooklyn brownstones, and the distinctive communities of Queens, The Bronx, and Staten Island. I...
Specialties
Buyer's AgentListing AgentRelocationFirst Time HomebuyersInvestment PropertiesRentalsMilitary/VeteransLuxury HomesNew Construction
This team offers Showcase to make listings stand out
helps homes sell faster and for more with increased exposure on Zillow, a virtual tour, and an interactive floor plan.

Team listings & sales (62)
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 (3)
Address | Bed/Bath | Listing price |
|---|---|---|
![]() 306 E Mosholu Pkwy S APT 3K Bronx, NY 10458
| 1 Bed, 1 Bath | $175,000 |
![]() 1325 Dahill Rd Brooklyn, NY 11204
| 8 Bed, 6 Bath | $1,950,000 |
![]() 173 Hicks St APT 4E Brooklyn, NY 11201
| 1 Bed, 1 Bath | $639,000 |
Sold (59)
Address | Sold date | Closing price | Represented | Flag Sale |
|---|---|---|---|---|
| 7/31/2025 | $360,000 | Buyer | ||
| 7/18/2025 | $185,000 | Buyer | ||
| 6/4/2025 | $302,000 | Seller | ||
| 5/13/2025 | $699,000 | Buyer | ||
| 5/5/2025 | $295,000 | Buyer |
Team reviews (6)
Reviews represent all team members.
- It has been my pleasure working with Jonathan. Not only is he a consummate professional, but he is also an empathetic human being. He works closely with you to help you a...It has been my pleasure working with Jonathan. Not only is he a consummate professional, but he is also an empathetic human being....5.0
- 3/7/2021
- • dawn mckenzie
Sold a Multiple Occupancy home in 2021 in Crown heights, Brooklyn, NY.
Review for: Colin R. O'Leary (You)My sister and I have found Colin O'Leary great to work with. His continuous communications were immensely helpful to us, especially since we both live in different state...My sister and I have found Colin O'Leary great to work with. His continuous communications were immensely helpful to us, especial... - 5.0
- 9/17/2020
- • rupertasimon
Sold a Townhouse home in 2020 in East tremont, Bronx, NY.
Review for: Jonathan EttricksJonathan was very professional. He was kind and patient throughout the extremely delayed (due to COVID-19) process of selling my home in the Bronx. I would absolutely hav...Jonathan was very professional. He was kind and patient throughout the extremely delayed (due to COVID-19) process of selling my h...5.0- 9/1/2016
- • zuser20141016202703676
Bought a Condo home in 2016 in Bay ridge, Brooklyn, NY.
Review for: Colin R. O'Leary (You)Colin brokered the sale of our first home purchase in a Brooklyn co-op. He was great to work with. He was available for every step of the process - from going out to look...Colin brokered the sale of our first home purchase in a Brooklyn co-op. He was great to work with. He was available for every step... - 5.0
- 8/30/2016
- • acsalkin
Bought a Single Family home in 2015 in Kensington, Brooklyn, NY.
Review for: Colin R. O'Leary (You)Colin recently helped us buy our first apartment in NYC. Relative to NYC standards our budget wasn't the biggest. Unlike other agents that acted like we were wasting thei...Colin recently helped us buy our first apartment in NYC. Relative to NYC standards our budget wasn't the biggest. Unlike other age...5.0- 4/24/2014
- • Stacy Thompson
Helped me rent a home in New York, NY.
Review for: Colin R. O'Leary (You)Time and time again Mr. O'Leary has proven his dedication, expert knowledge, and unwavering commitment in delivering the utmost highest level of service and care not only...Time and time again Mr. O'Leary has proven his dedication, expert knowledge, and unwavering commitment in delivering the utmost hi...


















