910 Union Street, Unit 5B

1,525 Sq. Ft.
$1,689 / Sq. Ft.
1,525
Sq. Ft.
$1,689
per Sq. Ft.

Description

Experience elevated living at 910 Union Street, Apt 5B—a beautifully renovated 3-bedroom, 2.5-bath condo in Park Slope. Arrive via private keyed elevator into a dedicated landing with custom storage for strollers and gear. The sun-drenched interior features soundproof white oak floors, floor-to-ceiling windows, and multi-zone climate control.
The chef’s kitchen boasts stone countertops, Bosch appliances, and a mobile marble island that flows seamlessly into a living area with custom built-ins and
...Experience elevated living at 910 Union Street, Apt 5B—a beautifully renovated 3-bedroom, 2.5-bath condo in Park Slope. Arrive via private keyed elevator into a dedicated landing with custom storage for strollers and gear. The sun-drenched interior features soundproof white oak floors, floor-to-ceiling windows, and multi-zone climate control.

The chef’s kitchen boasts stone countertops, Bosch appliances, and a mobile marble island that flows seamlessly into a living area with custom built-ins and a large terrace overlooking Grand Army Plaza. The king-sized primary suite serves as a serene retreat with a walk-in closet and motorized shades, while two additional bedrooms—one with a private balcony—provide flexible space for family or a home office.

This full-service building includes a 6-day doorman, gym, playroom, and roof deck. Ideally located steps from Prospect Park, major subways, and zoned for PS 321. The building was converted to condominiums in 2013.

Listing Agents

  1. Joe Ryan

    Joe Ryan

    Listing Agent

    Compass

    joe.ryan@compass.com

    P: (917)-453-2676

  2. Maria Ryan

    Maria Ryan

    Alternative Listing Agent

    Compass

    maria.ryan@compass.com

    P: (347)-276-5165

  3. Libby Ryan

    Libby Ryan

    Alternative Listing Agent

    Compass

    libby.ryan@compass.com

    P: (917)-617-4227

  4. Luther Hines

    Luther Hines

    Alternative Listing Agent

    Compass

    luther.hines@compass.com

    P: (917)-226-1622

  5. The Ryan + Ryan Team

    The Ryan + Ryan Team

    Alternative Listing Agent

    Compass

    ryanandryan@compass.com

    P: (347)-276-5165

Amenities

  • Part-Time Doorman
  • Roof Deck
  • Common Outdoor Space
  • Gym
  • Playroom
  • Built-Ins
  • Private Entrance
  • Hardwood Floors

Open Houses

Thursday, Mar 12th1:30 PM - 3:00 PM
Sunday, Mar 15th12:00 PM - 1:30 PM
LISTING UPDATED: 03/11/2026 05:42 PM

Property Details for 910 Union Street, Unit 5B

StatusActive
Days on MarketListed Today
Taxes$781 / month
Common Charges$1,647 / month
Min. Down Pymt10%
Total Rooms5.0
Compass TypeCondo
MLS Type-
Year Built1931
CountyKings County
Buyer's Agent Compensation2.5%

Building

910 Union St

16 Units7 StoriesBuilt in 1931

Location

Add your commute

Building Information for 910 Union Street, Unit 5B

Building/Complex910 Union StFloor5Stories7Residences16Pet PolicyAllowedPet Policy Details-Year Built1931Building AgePre-war

Payment Calculator

$16,547 per month

30 year fixed, 6.15% Interest

Principal and Interest

$14,119

Property Taxes

$781

Maintenance/Common Charges

$1,647

The Payment Calculator is for illustrative purposes only.

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Property History for 910 Union Street, Unit 5B

DateEvent & SourcePriceAppreciationLink
Mar 11, 2026

Listed (Active)

Manual

$2,575,000
Feb 19, 2020

Sold

RLS RESO #RLS10591031

$2,170,000
Feb 19, 2020

Sold (Public Record)

ACRIS #2020022500948004

$2,100,000

+2.2% / yr

Sep 3, 2019

Listed (Active)

RLS RESO #RLS10591031

$2,195,000
Jun 7, 2013

Sold

RLS RESO #RLS10001698

Jun 4, 2013

Sold (Public Record)

ACRIS #2013060601495001

$1,810,294
Feb 23, 2013

Listed (Active)

RLS RESO #RLS10001698

$1,775,000
DateEvent & SourcePrice
03/11/2026

Listed (Active)

Manual

$2,575,000
02/19/2020

Sold

RLS RESO #RLS10591031

$2,170,000
02/19/2020

Sold (Public Record)

ACRIS #2020022500948004

$2,100,000

+2.2% / yr

09/03/2019

Listed (Active)

RLS RESO #RLS10591031

$2,195,000
06/07/2013

Sold

RLS RESO #RLS10001698

06/04/2013

Sold (Public Record)

ACRIS #2013060601495001

$1,810,294
02/23/2013

Listed (Active)

RLS RESO #RLS10001698

$1,775,000

For completeness, Compass often displays two records for one sale: the MLS record and the public record.

Public Records for 910 Union Street, Unit 5B

Taxable ValueLand$8,915Additions$188,821Total$197,736
Home Facts
Total Finished SqFt1,535 SqFtLot Size0 SqFtYear Built1931ZoningR7BAPN3010661211

Schools near 910 Union Street, Unit 5B

This home is within New York City Geographic District #15.
Rating
School
Type
Grades
Distance
Public - K to 5
Public - 6 to 12
Public - 9 to 12
Public - 9 to 12
Rating
School
Distance
P.S. 321 William Penn
PublicK to 5

Park Slope Collegiate
Public6 to 12

Cyberarts Studio Academy
Public9 to 12

Millennium Brooklyn High School
Public9 to 12

School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.

Neighborhood Map and Transit

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910 Union Street, Unit 5B is a condo for sale in Park Slope. This listing's school district is New York City Geographic District #15. Nearby schools include P.S. 321 William Penn, Park Slope Collegiate and Cyberarts Studio Academy. 910 Union Street, Unit 5B is a 3-bed, 3-bath, 1,525 sqft condo built in 1931.

No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements (including square footage measurements and property condition), such should be independently verified, and Compass, Inc., its subsidiaries, affiliates and their agents and associated third parties expressly disclaims any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided. Equal Housing Opportunity.

This 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. The source of the displayed data is either the property owner or public record provided by non-governmental third parties. It is believed to be reliable but not guaranteed. This information is provided exclusively for consumers’ personal, non-commercial use. The data relating to real estate for sale on this website comes in part from the IDX Program of OneKey® MLS. Information Copyright 2026, OneKey® MLS. All data is deemed reliable but is not guaranteed accurate by Compass. See Terms of Service for additional restrictions. Compass · Tel: 212-913-9058 · New York, NY 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 information is not guaranteed, should be independently verified and may not reflect all real estate activity in the market. Offers of compensation set forth here are for other RLSParticipants only and may not reflect other agreements between a consumer and their broker.©2026 The Real Estate Board of New York, Inc., All rights reserved.