Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
409 3rd Street #3

For Sale · Listing by Compass

409 3rd Street #3

Park Slope, Brooklyn

$1,895,000

Interested in this property?
Active For Sale Condo

$1,895,000

$1,684 per sq ft

409 3rd Street #3

Park Slope, Brooklyn

MLS® #RLS20112515

RLS at REBNY

Listing by Compass

3
Bedrooms
2
Baths
1,125
Sq. Ft.
1921
Year Built

Quick Summary

Bedrooms 3
Bathrooms 2
Living Area 1,125 sq ft
Lot Size 2,050.1 sq ft
Year Built 1921
Ownership Condo
HOA/Common Charges $500/mo
Property Taxes $6,072/yr
Neighborhood Park Slope
Floor 3 of 4

Property Highlights

  • Views: City, Garden
  • Exposure: North,South facing
  • Climate Control: Central Air

Property Details

Type Condo
Ownership Condominium
Total Rooms 6
Baths 2 Full
Floor 3 of 4
View City, Garden
Exposure North,South
Cooling Central Air
Pets Yes, CatsOk, DogsOk
Year Built 1921
Living Area 1,125 sq ft
Structure Type MultiFamily
Flooring Hardwood
Furnished Unfurnished
Lot Size 2,050.1 sq ft
Parcel # 00975-1003
Block/Lot 00975/1003

Listing History

Event Date Price Change
Listed Sep 9, 2026 $1,895,000 -
Currently Sep 10, 2026 $1,895,000 -

Description

Introducing apartment 3 at 409 3rd Street, nestled in a charming pre-war brownstone on third street, Park Slope's widest marquee blocks lined with canopy trees and large sidewalks. This sun drenched 3-bedroom, 2-bathroom plus home office, offers thoughtfully designed interiors with modern upgrades and expansive pre-war dimensions. Upon entry, you will find a grand open and modern kitchen warmed from the Southern and Northern exposures. The island and modern appliances make it perfect for cooking and entertaining. In the living room, bay windows add a touch of elegance while maximizing tree-top views and southern light. This home offers incredible versatility, including an additional sleeping area or home office for relaxation or productivity. Mini-splits ensure year-round comfort, and an in-unit washer/dryer offers the ultimate convenience. In addition, an enormous private, dedicated storage space is included with the sale. Upon entering the building, this gem is an easy two flights up. Zoned for PS 321, and located near Park Slope's finest restaurants and cafes on 5th Ave, you cannot go wrong with this stunning location. Be sure to schedule your private viewing today!

Features & Amenities

Interior Features

Eat In Kitchen High Ceilings Recessed Lighting Common On Floor Common Area In Unit Flooring: Hardwood Bay Windows

Exterior Features

Private Outdoor Space Under60 Sqft

Appliances

Dishwasher

Building Information

Building Data View Compliance & Permits
Total Units 4
Stories 4
Structure MultiFamily

Financial Details

Common Charges $500/mo
RE Taxes $6,072/yr ($506/mo)

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

59

Median Asking Price

$1.80M

Median $/Sqft

$1,419

Avg Days on Market

N/A

New This Week

19

Price Reduced

15%

Sold (30 Days)

40

Median Sale Price

$1.70M

Live data from RLS at REBNY • Updated 9/10/26, 2:58 AM EST

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Location

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409 3rd Street #3, Park Slope, Kings County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1921
Year Built
105 years old
4
Floors
4
Residential Units
R6B
Zoning District
Condominiums

Tax & Assessment

Assessed Value: $1,327,052
Land Value: $33,750
Exemptions: $0

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

Lot Area: 2,050 SF
Building Area: 4,311 SF
Built FAR: 2.1
Allowed FAR: 2

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 $500 per month. Confirm the exact amount with Milton Coste before making an offer.

The current listed annual property tax is $6,072, or roughly $506 per month. Verify the current assessment with your attorney before closing.

This property has 3 bedrooms and 2 full bathrooms.

The listed interior living area is 1,125 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 1921, making it approximately 105 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: Pets allowed. Contact Milton Coste for weight limits or breed restrictions.

At the current list price of $1,895,000 for 1,125 sq ft, the asking price per square foot is approximately $1,684. 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 [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: RLS20112515
First Listed: 9/3/2026
On Market: 9/9/2026
Price Changed: 9/3/2026
Contract Date: 6/28/2026

Listing Courtesy of Compass - Marc Solomon

Listing Contact: (917) 757-8277

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 9/10/2026 at 6:58 AM UTC

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Park Slope Market Update

40 sales last 30 days · $1.80M median · 1.5 months supply

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New listings in this neighborhood

Quick Facts

Status Active Type Condo Neighborhood Park Slope Borough Brooklyn
County Kings
Floor 3 of 4
Year Built 1921
First Listed 9/3/2026
Living Area 1,125 sqft
Common Charges $500/mo
Annual Tax $6,072

Monthly Costs Estimate

Down Payment 20%

$379,000

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 $500
Est. Taxes $506
Total Monthly $0

Estimates only. Consult a lender for exact figures.

Mansion tax applies at this price point

New York State charges the buyer a mansion tax on residential purchases at $1,000,000 or more. At this asking price the tier is $1M to $1,999,999 at 1.00%, applied to the whole purchase price. It is due in cash at closing and cannot be financed.

Estimated mansion tax at asking

$18,950

Run the numbers on a different offer price

Estimate based on the asking price. Confirm your own obligation with your real estate attorney.

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