321 UNION Street #3A
MLS® #RLS10067103
Listing by The Corcoran Group
1
Bedroom
1
Bath
690
Sq. Ft.
2007
Year Built
Quick Summary
Property Highlights
- Exposure: South facing
Property Details
Listing History
| Event | Date | Price | Change |
|---|---|---|---|
| Listed | Feb 4, 2014 | $749,000 | - |
| Currently | May 5, 2026 | $760,000 | +1.5% |
Description
An opportunity like no other! This exceptional one bedroom in the heart of Carroll Gardens has truly outdone itself, with ultra-luxurious finishes and upgrades throughout. It offers everything the discerning buyer could ask for: excellent light and southern exposure, oversized windows, wide plank hardwood flooring, separate radiator heat and central AC, custom closet build outs, and the most cutting edge in surround sound - Sonance A1.5 Invisible Speakers in both the living area and bedroom. Additional highlights include a generously sized bathroom with deep soaking tub, Duravit and Toto fixtures, a very large kitchen with bountiful Caesarstone counters and professional grade appliances including a Jenn-Air Culinary Grade range and LG stainless ultra-quiet dishwasher. The unit also comes with a washer and dryer. There is additional shared storage in the basement as well as bike storage.321 Union Street is a recently built condominium which creatively combined a historic brownstone and a new modern addition. Very low common charges and a 421-A tax abatement make this a fabulous value in an unbeatable location just one block to the subway.
Features & Amenities
Interior Features
Exterior Features
Building Information
Financial Details
About Carroll Gardens
View All Carroll Gardens ListingsCarroll Gardens is defined by its deep front gardens and long-standing bakeries and restaurants along Court and Smith Streets. The real estate market features wide historic brownstones alongside new construction condominiums that maintain the low-rise building scale.
Carroll Gardens Live Market Data
View NeighborhoodActive Listings
35
Median Asking Price
$1.85M
Median $/Sqft
$1,382
Avg Days on Market
N/A
New This Week
3
Price Reduced
14%
Sold (30 Days)
9
Median Sale Price
$3.12M
Live data from RLS at REBNY • Updated 5/5/26, 12:59 PM EST
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Location
321 UNION Street #3A, Carroll Gardens, Kings County • Near Smith Street & Court Street
Floor Plans
Building Information
Official NYC property records for this building
Tax & Assessment
Note: Individual unit taxes may differ. Verify current tax bills with NYC DOF.
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
Listing Data
RLS® at REBNY (Real Estate Board of New York) via Trestle API. Updated in real-time.
Building Data
NYC PLUTO (Primary Land Use Tax Lot Output), NYC Department of City Planning. Updated quarterly.
Market Data
RLS® at REBNY (Real Estate Board of New York). Live data updated in real-time.
Map & Location
OpenStreetMap contributors via Leaflet. Geocoding via Nominatim.
All data is provided for informational purposes only and should be independently verified. See our Data Sources Policy for more information.
Frequently Asked Questions
Common questions about this property
The current listed common charges are $288 per month. Confirm the exact amount with the listing broker before making an offer.
The current listed annual property tax is $408, or roughly $34 per month. Verify the current assessment with your attorney before closing.
This property has 1 bedroom and 1 full bathroom.
The listed interior living area is 690 square feet. Verify dimensions independently during due diligence.
According to MLS records, the building was constructed in 2007, making it approximately 19 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.
At the current list price of $760,000 for 690 sq ft, the asking price per square foot is approximately $1,101. This figure is for reference only and may differ from appraised or assessed values.
To schedule a private showing, contact Milton Coste at (917) 416-7433 or mcoste@kwnyc.com. 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) 416-7433Listing Courtesy of The Corcoran Group - Lior Barak
Listing Contact: (917) 549-3530
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 Data display by Keller Williams NYC. Data last updated on 5/5/2026 at 4:59 PM UTC