Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
9921 4th Avenue #3B

For Sale · Listing by Corcoran Group

9921 4th Avenue #3B

Bay Ridge, Brooklyn

$550,000

Interested in this property?
Active For Sale Condo

$550,000

$666 per sq ft

9921 4th Avenue #3B

Bay Ridge, Brooklyn

MLS® #RLS20105183

RLS at REBNY

Listing by Corcoran Group

1
Bedroom
1
Bath
826
Sq. Ft.
1987
Year Built

Quick Summary

Bedrooms 1
Bathrooms 1
Living Area 826 sq ft
Lot Size 22,035 sq ft
Year Built 1987
Ownership Condo
HOA/Common Charges $685/mo
Property Taxes $4,812/yr
Neighborhood Bay Ridge
Floor 3 of 6

Property Highlights

  • Views: City
  • Exposure: West facing
  • Climate Control: Wall Units

Property Details

Type Condo
Ownership Condominium
Total Rooms 3
Baths 1 Full
Floor 3 of 6
View City
Exposure West
Heating Wall Furnace
Cooling Wall Units
Pets Yes
Year Built 1987
Living Area 826 sq ft
Structure Type MixedUse
Furnished Unfurnished
Lot Size 22,035 sq ft
Parcel # 06135-1018
Block/Lot 06135/1018

Listing History

Event Date Price Change
Listed Jul 23, 2026 $550,000 -
Currently Jul 23, 2026 $550,000 -

Description

Welcome to 9921 4th Avenue, Unit 3B, a sunfilled one-bedroom condo in a pet friendly, elevator, doorman building in Bay Ridge! This bright and airy 3rd floor unit features a wall of oversized west-facing windows that fill the space with natural light throughout the day and stunning sunsets in the evening. The living/dining room is open and spacious with room for a formal dining room table and plenty of space for a home entertainment area and home office. The kitchen features stainless steel appliances with plenty of cabinets and counter space and features an island with additional storage and barstool seating. The spacious bedroom easily accommodates a king-size bed and has custom closets. A full bathroom with tub complete the unit. Additional features include concrete subfloors to reduce noise, high ceilings, abundant storage and closet space. This pet friendly, 24-hour doorman building includes an elevator, on-site laundry, private storage, a gym, and a spacious outdoor patio with built-in BBQ grills and bridge views perfect for entertaining. The option to rent out the unit as an investment property provides added flexibility. Ideally located near the subway, express bus, Shore Road Promenade, waterfront parks, dog runs, tennis and pickleball courts, and numerous shops and restaurants, this apartment is a must see! Call today to schedule your showing.

Features & Amenities

Interior Features

Kitchen Island Common On Floor Common Area Window Treatments

Building Amenities

Elevators Fitness Center Security Guard

Appliances

Cooktop Dishwasher Gas Cooktop Gas Oven Range Refrigerator

Building Information

Building Data View Compliance & Permits
Total Units 56
Stories 6
Structure MixedUse

Financial Details

Common Charges $685/mo
RE Taxes $4,812/yr ($401/mo)

Bay Ridge is a historic neighborhood in Southwest Brooklyn with views of the Verrazzano-Narrows Bridge and New York Harbor. Commercial corridors along 3rd and 5th Avenues run through the area, and the housing stock includes historic row houses, pre-war cooperatives, and modern condominiums, with Shore Road Park and the waterfront promenade to the west.

Bay Ridge Live Market Data

View Neighborhood

Active Listings

36

Median Asking Price

$543K

Median $/Sqft

$530

Avg Days on Market

N/A

New This Week

2

Price Reduced

50%

Sold (30 Days)

9

Median Sale Price

$975K

Live data from RLS at REBNY • Updated 7/23/26, 9:48 AM EST

Location

Loading map...

9921 4th Avenue #3B, Bay Ridge, Kings County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1987
Year Built
39 years old
6
Floors
52
Residential Units
R6A
Zoning District
Condominiums

Tax & Assessment

Assessed Value: $3,778,652
Land Value: $217,356
Exemptions: $170,749

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

Lot Area: 21,938 SF
Building Area: 56,651 SF
Built FAR: 2.58
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 $685 per month. Confirm the exact amount with the listing broker before making an offer.

The current listed annual property tax is $4,812, or roughly $401 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 826 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 1987, making it approximately 39 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.

Pet policy requires confirmation with the listing broker.

At the current list price of $550,000 for 826 sq ft, the asking price per square foot is approximately $666. 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 milton@miltoncoste.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) 416-7433
MLS® ID: RLS20105183
First Listed: 7/23/2026
On Market: 7/23/2026
Price Changed: 7/23/2026
Contract Date: 1/27/2026

Listing Courtesy of Corcoran Group - Gina Bartnik

Listing Contact: (917) 572-9721

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 7/23/2026 at 1:48 PM UTC

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Bay Ridge Market Update

9 sales last 30 days · $543K median · 4 months supply

Read Full Report

New listings in this neighborhood

Quick Facts

Status Active Type Condo Neighborhood Bay Ridge Borough Brooklyn
County Kings
Floor 3 of 6
Year Built 1987
First Listed 7/23/2026
Living Area 826 sqft
Common Charges $685/mo
Annual Tax $4,812

Monthly Costs Estimate

Down Payment 20%

$110,000

Interest Rate Loading...

Source: Freddie Mac PMMS

Loan Term 30 years

Est. Monthly Payment

$0

Principal & Interest $0
PMI (under 20% down) $0
Common Charges $685
Est. Taxes $401
Total Monthly $0

Estimates only. Consult a lender for exact figures.

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