This $5.75M Park Slope brownstone is grand in both size and spirit
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This $5.75M Park Slope brownstone is grand in both size and spirit

October 26, 2026

Photos courtesy of Oleg Davidoff for The Corcoran Group

The landmarked Neo-Grec brownstone at 894 Union Street is a history lover’s dream, with its graceful original details intact and unpainted. The home’s current owners have preserved its historic frame for two decades while updating it to meet the needs of 21st-century living (there’s even a theater in the basement). Asking $5,750,000, the four-family townhouse is currently being used as a three-family home, so there’s plenty of flexibility for income generation or mansion-building.

Beneath tall townhouse ceilings, well-chosen renovations complement nineteenth-century craftsmanship. Zoned central heating and cooling and all-new Marvin windows add interior comfort to go with the home’s undeniable character.

The main residence consists of a two-bedroom duplex on the garden and parlor levels. In traditional brownstone style, the parlor floor is the home’s grand showcase. A mahogany staircase is surrounded by mahogany moldings and window casings, wainscoting, original window shutters, and pocket doors.

Just outside the parlor-level kitchen is a deck leading to the back yard. This landscaped private garden features bamboo fencing, bluestone pavers, and custom terracotta tile details for an enviable Brooklyn outdoor retreat.

On the garden level are two large bedrooms, each with an ensuite bath and an extra-large walk-in closet. The primary suite accesses the back garden through glass doors that bring the sunlight in. The front bedroom has a view of the home’s front patio.

The separate lowest level holds a movie buff’s dream of a custom movie theater. The retro-style screening room was created by the home’s previous owner, Theo Kalomirakis, who is known as the father of luxury home theater design.

Each of the home’s upper floors contains a large one-bedroom apartment. Both units offer bonus space perfect for a home office.

The new owner will have plenty of options, including combining all floors for a four-bedroom family home. The top-floor unit is leased until April 2027 for an uninterrupted income stream.

[Listing details: 894 Union Street at CityRealty]

[At The Corcoran Group by Dario Nolfi and Deborah L. Rieders]

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Photos courtesy of Oleg Davidoff for The Corcoran Group

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All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and for no listing shall the number of bedrooms listed be considered a legal conclusion.

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