Donald Brennan

Brooklyn NY

Brennan Realty Services LLC

14 Closed Sales

$42.4M Total Value

$1.8M - $6.8M Price Range

$3M Average Price

Prior 5 years

About Donald

Donald and his team at Engel & Völkers Brownstone Brooklyn offer comprehensive real estate services, representing residential buyers and sellers, including re-sales and new development properties such as townhouses, condos, and co-ops. They also assist owners and renters of multi-family properties.

The brokerage combines traditional expertise with modern resources, leveraging extensive knowledge and experience in Brownstone Brooklyn and other New York City neighborhoods. They use a range of marketing materials, online listing services, real estate networks, and global reach to ensure that their clients' listings are effectively disseminated domestically and globally. Operating within Engel & Völkers' collaborative network, they strive to deliver high-quality service and a personalized experience to each client.

Donald Brennan, a seasoned real estate broker and global advisor, currently serves as a License Partner at Engel & Völkers Brownstone Brooklyn and Engel & Völkers North Fork. With over two decades of experience in real estate, he is the principal of Brennan Real Estate, LLC, specializing in property development, management, and investment in historic Brooklyn neighborhoods. Brennan's diverse background as an architect, appraiser, and developer provides expertise in residential and investment properties. In addition, he hosts a vlog series titled "How's the Market?", sharing insights into Brooklyn's real estate trends.

Home Types: House, MultiFamily, Condo

Years of Experience: 9

Education: New York University Leonard N. Stern School of Business University of Michigan New York Institute of Technology Bucknell University

Transaction History

1 Year
2 Year
5 Year

Neighborhoods Donald is Experienced In

Donald's Open Houses

Co-Listing Agent

$999,000 Open Sat 12PM - 1:30PM
- 3 Beds
- 2 Baths
- 1,989 Sq Ft
5845 N Bayview Rd

Southold, NY
Tucked away in a peaceful enclave of Southold, this classic Cape Cod offers a private escape that backs directly onto protected woodlands. One of the home’s standout features is an expansive three-season sunroom, which serves as a light-filled bridge between the indoors and your own quiet backyard sanctuary. Whether you are hosting a summer brunch or enjoying a morning coffee, the surrounding

Donald Brennan Engel & Volkers North Fork

Donald's Active Listings

$925,000
- Land
- 6 Acres
- $158,390 per Acre
15690 County Road 48

Cutchogue, NY
Beautiful 5.84 acre parcel located on the heart of the North Fork. Zoned residential (AC), this property offers endless potential for a private home or vacation retreat. The expansive lot features serene natural surroundings, ample space for development and is ideal for creating your dream property. Whether you're looking for a peaceful lifestyle or an investment opportunity, this property

Donald Brennan Engel & Volkers North Fork

$6,850,000
- 6 Beds
- 4.5 Baths
- 6,500 Sq Ft
676 Union Street: A Rare Park Slope Sanctuary Welcome to 676 Union Street, a rare Park Slope sanctuary. This distinctive 25-foot-wide loft building is a true legacy, maintained for 40+ years and now offered to those who seek the extraordinary. Encompassing over 6,500 square feet, this residence seamlessly blends classic Brooklyn grandeur with the cosmopolitan allure of a Soho atelier. This

Donald Brennan ENGEL & VOLKERS NEW YORK CITY

$18,000 per month
- 4 Beds
- 3.5 Baths
- 1,600 Sq Ft
850 3rd St

New Suffolk, NY
Immerse yourself in the tranquil charm of New Suffolk, a premier waterfront community where life moves at a more graceful pace. This sophisticated 4-bedroom, 3.5-bathroom retreat is perfectly positioned for those who want to experience the quintessential North Fork lifestyle—from scenic bike rides to world-class vineyards. Leave the car behind and stroll to local mainstays like Minnow, Peeko

Donald Brennan Engel & Volkers North Fork

Recently Sold

$3,300,000 Sold Apr 28, 2026
- 3 Beds
- 2.5 Baths
- 1,675 Sq Ft
16 2nd Place

Unit 3

Brooklyn, NY
- 1% Below List
- $1,970/SF
- 130 Days On Market
Donald Brennan ENGEL & VOLKERS NEW YORK CITY

$3,250,000 Sold Feb 13, 2026
- 3 Beds
- 2.5 Baths
- 1,709 Sq Ft
16 2nd Place

Unit 2

Brooklyn, NY
- $1,902/SF
- 25 Days On Market
Donald Brennan ENGEL & VOLKERS NEW YORK CITY

$2,900,000 Sold Dec 1, 2025
- 3 Beds
- 2.5 Baths
- 1,694 Sq Ft
16 2nd Place

Unit 1

Brooklyn, NY
- $1,712/SF
- 49 Days On Market
Donald Brennan Brennan Realty Services LLC

$3,150,000 Sold Nov 17, 2025
- 3 Beds
- 2.5 Baths
- 1,812 Sq Ft
16 2nd Place

Unit Penthouse

Brooklyn, NY
- $1,738/SF
- 188 Days On Market
Donald Brennan Brennan Realty Services LLC

$3,150,000 Sold Mar 10, 2023
- 5 Beds
- 5 Baths
- 4,091 Sq Ft
371 Van Brunt St

Brooklyn, NY
- 10% Below List
- $770/SF
- 148 Days On Market
- Current Est. Value $3M
Donald Brennan Brennan Realty Services LLC

$1,295,000 Sold Aug 18, 2022
- 2 Beds
- 1.5 Baths
- 1,166 Sq Ft
230 16th St

Unit 2

Brooklyn, NY
- $1,111/SF
- 36 Days On Market
- Current Est. Value $1M
Donald Brennan Brennan Realty Services LLC

$2,400,000 Sold Jun 2, 2022
- 6 Beds
- 6.5 Baths
- 4,696 Sq Ft
296 Rutland Rd

Brooklyn, NY
- 17% Below List
- $511/SF
- 136 Days On Market
- Current Est. Value $2M
Donald Brennan Brennan Realty Services LLC

$1,450,000 Sold Apr 26, 2022
- 4 Beds
- 4 Baths
- 1,887 Sq Ft
23 Fairview Place

Brooklyn, NY
- 2% Below List
- $768/SF
- 32 Days On Market
- Current Est. Value $2M
Donald Brennan Brennan Realty Services LLC

$6,800,000 Sold Mar 4, 2022
- 6 Beds
- 4.5 Baths
- 6,075 Sq Ft
32 1st Place

Brooklyn, NY
- 15% Below List
- $1,119/SF
- 516 Days On Market
- Current Est. Value $7M
Donald Brennan Brennan Realty Services LLC

Awards and Designations

ULI - Urban Land Institute

Agent License: New York 10491201127 New York 10491213629

Donald Brennan

(973) 649-9527

Homes for Sale by City

Donald Brennan

About Donald

Transaction History

Seller Deals

Seller Deals

Seller Deals

Neighborhoods Donald is Experienced In

Donald's Listings and Deals

Donald's Open Houses

Donald's Active Listings

Recently Sold

Awards and Designations