Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
407 Keap Street #12

For Sale · Listing by Compass

407 Keap Street #12

Williamsburg, Brooklyn

$500,000

Interested in this property?
Active For Sale Co-op

$500,000

407 Keap Street #12

Williamsburg, Brooklyn

MLS® #RLS20113733

RLS at REBNY

Listing by Compass

1
Bedroom
1
Bath
N/A
Sq. Ft.
1910
Year Built

Quick Summary

Bedrooms 1
Bathrooms 1
Lot Size 3,850 sq ft
Year Built 1910
Ownership Co-op
Maintenance $405/mo
Neighborhood Williamsburg
Floor 4 of 6

Property Highlights

  • Exposure: East,North facing
  • Style: WalkUp architecture
  • Climate Control: Wall Units

Property Details

Type Co-op
Ownership Stock Cooperative
Total Rooms 3
Baths 1 Full
Floor 4 of 6
Exposure East,North
Heating Baseboard
Cooling Wall Units
Pets Yes
Year Built 1910
Architectural Style WalkUp
Flooring Hardwood
Furnished Unfurnished
Lot Size 3,850 sq ft
Parcel # 02398-0015-00407-000-0000012
Block/Lot 02398/0015

Listing History

Event Date Price Change
Listed Sep 9, 2026 $500,000 -
Currently Sep 9, 2026 $500,000 -

Description

A stunning light filled one bedroom now available at 407 Keap Street in Williamsburg. Apartment 12 has been fully gut renovated and comes complete with an in-unit washer and dryer. Up four flights, the entry hallway provides ample storage with a double coat closet and storage above. The open kitchen layout features stainless steel appliance with a dishwasher, plenty of cabinet storage and a central island perfect for entertaining. The main living area is filled with natural light through two oversized eastern-facing windows and high ceilings. Adjacent to the windowed kitchen is an additional closet and the bathroom with a glass enclosed shower cladded in white subway tile. Through a sliding door, the bedroom is a private retreat able to accommodate a queen sized bed. This building is an HDFC co-op offering affordability in the center of Williamsburg with a monthly maintenance of $405. The building benefits from a high AMI allowable of 165% and income caps are as followed: 1 Occupant: $196,020 2 Occupants: $223,905 3 Occupants: $251,955 407 Keap Street is a 27-unit self-managed co-op in Williamsburg. The building is centrally located to many of the best local eateries, shopping and transportation being in between the J, M, G and L trains.

Features & Amenities

Interior Features

Breakfast Bar Built In Features Chandelier Entrance Foyer High Ceilings Kitchen Island In Unit See Remarks Flooring: Hardwood Double Pane Windows

Building Amenities

Elevators

Appliances

Cooktop Dishwasher Freezer Gas Cooktop Gas Oven Range Refrigerator Range Hood Stainless Steel Appliances

Building Information

Building Data View Compliance & Permits
Total Units 27
Stories 6
Style WalkUp

Financial Details

Maintenance $405/mo

Williamsburg is the global face of Brooklyn's cultural and residential renaissance. Defined by its stunning waterfront parks and the iconic L-train connection to Manhattan, the neighborhood offers a high-energy lifestyle. The real estate market is dominated by sleek, glass-walled luxury condominiums along the East River, alongside historic warehouse conversions and boutique new developments that cater to a wide range of buyers and renters.

Williamsburg Live Market Data

View Neighborhood

Active Listings

146

Median Asking Price

$1.87M

Median $/Sqft

$1,628

Avg Days on Market

N/A

New This Week

26

Price Reduced

12%

Sold (30 Days)

39

Median Sale Price

$1.76M

Live data from RLS at REBNY • Updated 9/9/26, 4:01 PM EST

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Location

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407 Keap Street #12, Williamsburg, Kings County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1910
Year Built
116 years old
6
Floors
27
Residential Units
M1-2/R6A
Zoning District
Walk-Up Apartments

Tax & Assessment

Assessed Value: $1,130,850
Land Value: $173,250
Exemptions: $535,219

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

Lot Area: 3,850 SF
Building Area: 18,318 SF
Built FAR: 4.76
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 monthly maintenance are $405 per month. Confirm the exact amount with Milton Coste before making an offer.

The current listed annual property tax is $0, or roughly $0 per month. Verify the current assessment with your attorney before closing.

This property has 1 bedroom and 1 full bathroom.

According to MLS records, the building was constructed in 1910, making it approximately 116 years old.

This listing is a co-op (stock cooperative). Buyers purchase shares in a corporation rather than real property, and the board must approve all sales.

Pet policy requires confirmation with Milton Coste. Additional notes: Dogs are allowed under 50 pounds

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: RLS20113733
First Listed: 9/9/2026
On Market: 9/9/2026
Price Changed: 9/9/2026
Contract Date: 8/5/2026

Listing Courtesy of Compass - DAVID M SON

Listing Contact: (917) 613-7305

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 9/9/2026 at 8:01 PM UTC

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Williamsburg Market Update

39 sales last 30 days · $1.87M median · 3.7 months supply

Read Full Report

New listings in this neighborhood

Quick Facts

Status Active Type Co-op Neighborhood Williamsburg Borough Brooklyn
County Kings
Floor 4 of 6
Year Built 1910
First Listed 9/9/2026
Style WalkUp
Maintenance $405/mo

Monthly Costs Estimate

Down Payment 20%

$100,000

Interest Rate Loading...

Source: Freddie Mac PMMS

Loan Term 30 years

Est. Monthly Payment

$0

Principal & Interest $0
PMI (under 20% down) $0
Maintenance $405
Total Monthly $0

Estimates only. Consult a lender for exact figures.

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