Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
841 UNION Street #109
Interested in this property?
Active For Sale Condo

$275,000

841 UNION Street #109

Park Slope, Brooklyn

MLS® #RLS20077760

RLS at REBNY

Listing by Brown Harris Stevens Brooklyn LLC

Studio

0

Bath

N/A

Sq. Ft.

1923

Year Built

Quick Summary

Bedrooms Studio
Bathrooms 0
Year Built 1923
Ownership Condo
HOA/Common Charges $400/mo
Property Taxes Contact for details
Parking Garage
Neighborhood Park Slope
Floor 1 of 6

Property Highlights

  • Parking: Private garage
  • Character: Pre-war building (1923)

Property Details

Type Condo
Ownership Condominium
Total Rooms 1
Baths 0 Full
Floor 1 of 6
Pets Yes
Year Built 1923
Parking Garage Available
Parking Features Assigned, Garage
Structure Type HighRise
Basement Other
Block/Lot 00954/1009

Listing History

Event Date Price Change
Listed Mar 17, 2026 $275,000 -
Currently May 4, 2026 $275,000 -

Description

A rare find in Park Slope: a first-floor, indoor deeded parking space at the Union Street Garage. Conveniently located and wonderfully easy to access, this attended space offers peace of mind, year-round protection for your vehicle, low monthly charges, and 24/7 staff. Your car will thank you.

Features & Amenities

Interior Features

Building None

Exterior Features

None

Building Amenities

Elevators

Building Information

Building Data View Compliance & Permits
Total Units 145
Stories 6
Structure HighRise

Financial Details

Common Charges $400/mo
RE Taxes Contact for details

Park Slope is a well-known Brooklyn neighborhood, recognized for its tree-lined streets and preserved brownstones. Bordering the western edge of Prospect Park, the neighborhood offers convenient access to green space. The real estate market features a mix of historic townhouses, cooperatives, and modern condominiums, within walking distance of the park.

Park Slope Live Market Data

View Neighborhood

Active Listings

108

Median Asking Price

$1.62M

Median $/Sqft

$1,376

Avg Days on Market

N/A

New This Week

12

Price Reduced

17%

Sold (30 Days)

23

Median Sale Price

$1.59M

Live data from RLS at REBNY • Updated 5/4/26, 4:28 AM EST

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Location

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841 UNION Street #109, Park Slope, Kings County

Building Information

Official NYC property records for this building

1928
Year Built
98 years old
7
Floors
R6A
Zoning District
Condominiums

Tax & Assessment

Assessed Value: $1,137,557
Land Value: $154,765
Exemptions: $0

Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.

Lot Area: 5,975 SF
Building Area: 17,698 SF
Built FAR: 2.96
Allowed FAR: 3

Source: NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning (data.cityofnewyork.us)

Want help estimating ownership costs or understanding building compliance? Let's discuss

Frequently Asked Questions

Common questions about this property

The current listed common charges are $400 per month. Confirm the exact amount with the listing broker before making an offer.

This property has 0 bedrooms and 0 full bathrooms.

According to MLS records, the building was constructed in 1923, making it approximately 103 years old.

This listing is a condominium. Buyers receive a deed to their individual unit and own their space outright, subject to condo association rules.

Pets are permitted at this property. Contact the listing broker for weight limits or breed restrictions.

To schedule a private showing, contact Milton Coste at (917) 416-7433 or [email protected]. Per REBNY guidelines effective 2025, a Buyer Representation Agreement is required before a buyer's broker can show you properties. You may attend open houses independently without one.

Have a question not answered here?

(917) 416-7433
MLS® ID: RLS20077760
First Listed: 3/17/2026
On Market: 3/17/2026
Price Changed: 3/17/2026
Contract Date: 3/17/2026

Listing Courtesy of Brown Harris Stevens Brooklyn LLC - Lee Solomon

Listing Contact: (718) 399-4105

Listing information for certain New York City properties provided courtesy of the Real Estate Board of New York's Residential Listing Service (the "RLS"). The information contained in this listing has not been verified by the RLS and should be verified by the consumer. The listing information provided here is for the consumer's personal, non-commercial use. Retransmission, redistribution or copying of this listing information is strictly prohibited except in connection with a consumer's consideration of the purchase and/or sale of an individual property. This listing information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. ©2026 The Real Estate Board of New York, Inc., all rights reserved. This advertisement does not suggest that the broker has a listing in this property or properties or that any property is currently available.

Broker Commission Disclosure: Broker commissions are not set by law and are fully negotiable.

Buyer Notice: Planning to work with a buyer's broker? A Buyer Representation Agreement is required before your broker can show you properties, per REBNY/UCBA guidelines (effective 2025). You may attend open houses independently without one.

RLS at REBNY

RLS Data display by Keller Williams NYC. Data last updated on 5/4/2026 at 8:28 AM UTC

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