Milton Coste

Licensed Real Estate Associate Broker

(917) 416-7433
30 Main Street #10F
Interested in this property?
Active For Sale Condo

$3,350,000

$1,517 per sq ft

30 Main Street #10F

Dumbo, Brooklyn

The Sweeney Building

MLS® #RLS20052366

RLS at REBNY

Listing by Compass

3

Bedrooms

2.5

Baths

2,209

Sq. Ft.

1910

Year Built

Quick Summary

Bedrooms 3
Bathrooms 3 full, 1 half
Living Area 2,209 sq ft
Year Built 1910
Ownership Condo
HOA/Common Charges $3,488/mo
Property Taxes $34,644/yr
Neighborhood Dumbo
Floor 10 of 11

Property Highlights

  • Exposure: South,West facing
  • Style: Loft architecture
  • Climate Control: Central Air

Property Details

Type Condo
Ownership Condominium
Total Rooms 5
Baths 2 Full, 1 Half
Floor 10 of 11
Exposure South,West
Heating Central
Cooling Central Air
Pets Yes, CatsOk, DogsOk
Year Built 1910
Living Area 2,209 sq ft
Architectural Style Loft
Structure Type MixedUse
Flooring Hardwood
Furnished Unfurnished
Parcel # 00036-1072
Block/Lot 00036/1072

Listing History

Event Date Price Change
Listed Oct 2, 2025 $3,500,000 -
Currently May 11, 2026 $3,350,000 -4.3%

Description

Come view this extraordinary corner loft at DUMBO’s coveted Sweeney Building! With just over 2,200 square feet and 11’ ceilings, this is the rare loft which offers scale & space as well as an ideal layout, including 2 bedrooms each with walk-in closets and en suite bathrooms plus additional interior home office, powder room and gracious living/dining space highlighted by 2 walls of oversized windows bringing in air & light all day through southern & western exposures. This pre-war gem near the Brooklyn waterfront also features striking architectural details harkening back to the building’s industrial past, hardwood floors, a stylish open chef’s kitchen with top-of-the-line stainless steel appliances and a sleek, spa-style primary bathroom with dual sinks, separate glass-enclosed shower & luxurious soaking tub. The split layout brings privacy to both bedrooms. A separate laundry room with washer & dryer and sink complete the picture. Built in 1910, the Sweeney Building is now a full-service condominium where residents enjoy 24-hour concierge service, a fully-equipped fitness room, common roof deck with amazing views and on-site storage & bicycle spaces for rent. Live in the heart of DUMBO, moments from the world-class waterfront Brooklyn Bridge Park, Empire Stores, wonderful restaurants & shopping, St. Ann’s Warehouse & other outstanding cultural institutions and many transportation options, including the A, C, F, 2 & 3 subway lines, the NYC Ferry at Fulton Landing and Citibikes! Bring your pets, turn the key and you are home! PLEASE NOTE THAT PHOTOS ARE VIRTUALLY STAGED.

Features & Amenities

Interior Features

Chandelier Double Vanity Entrance Foyer High Ceilings Soaking Tub Building Washer Dryer Install Allowed Common On Floor Common Area In Unit Flooring: Hardwood

Exterior Features

Building Roof Deck

Building Amenities

Bike Storage Concierge Elevators Fitness Center Health Club

Building Information

Building The Sweeney Building
Building Data View Compliance & Permits
Total Units 85
Stories 11
Structure MixedUse
Style Loft

Financial Details

Common Charges $3,488/mo
RE Taxes $34,644/yr ($2,887/mo)
Original Price $3,500,000
Previous Price $3,500,000

DUMBO (Down Under the Manhattan Bridge Overpass) sits between the Brooklyn and Manhattan Bridges along the East River waterfront, with a 95-building historic district of converted industrial warehouses. The housing market features spacious loft residences with exposed brick and high ceilings alongside modern luxury condominiums with skyline and waterfront views, served by the F train at York Street and the A and C at High Street. Brooklyn Bridge Park stretches along the waterfront with piers, playgrounds, and Jane's Carousel.

Dumbo Live Market Data

View Neighborhood

Active Listings

38

Median Asking Price

$1.72M

Median $/Sqft

$1,614

Avg Days on Market

N/A

New This Week

4

Price Reduced

13%

Sold (30 Days)

6

Median Sale Price

$2.95M

Live data from RLS at REBNY • Updated 5/11/26, 12:52 AM EST

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Location

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30 Main Street #10F, Dumbo, Kings County

Floor Plans

Floor Plan 1

Building Information

Official NYC property records for this building

1908
Year Built
118 years old
11
Floors
85
Residential Units
M1-2/R8A
Zoning District
Condominiums Historic District: DUMBO Historic District

Tax & Assessment

Assessed Value: $17,601,754
Land Value: $286,203
Exemptions: $9,160

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

Lot Area: 14,950 SF
Building Area: 157,694 SF
Built FAR: 10.55
Allowed FAR: 6.02

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 $3,488 per month. Confirm the exact amount with the listing broker before making an offer.

The current listed annual property tax is $34,644, or roughly $2,887 per month. Verify the current assessment with your attorney before closing.

This property has 3 bedrooms and 2 full bathrooms and 1 half bathroom.

The listed interior living area is 2,209 square feet. Verify dimensions independently during due diligence.

According to MLS records, the building was constructed in 1910, making it approximately 116 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 $3,350,000 for 2,209 sq ft, the asking price per square foot is approximately $1,517. 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) 416-7433
MLS® ID: RLS20052366
First Listed: 10/2/2025
On Market: 10/2/2025
Price Changed: 1/21/2026
Contract Date: 9/15/2025

Listing Courtesy of Compass - Michael J Connolly

Listing Contact: (646) 932-0307

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 5/11/2026 at 4:52 AM UTC

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