30 MAIN Street #3F, New York City, NY 11201
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NYDOS LIC#: 10491211335
Property Overview
Loft-Scale Living in DUMBO: 2,126 Square Feet with Room for Everyone
Residence 3F at the Sweeney Building is the kind of home DUMBO buyers rarely find: approximately 2,126 square feet of flexible loft space in one of the neighborhood's premier full-service condominiums, offered at roughly $929 per square foot. That is the footprint of a three-bedroom home at a price well below what comparable condos and townhouses command.
The layout includes one bedroom plus two oversized interior rooms that adapt to the way you live. Use them as sleeping spaces for family or guests, a private ...
Property Details
Residence Features
Estimated Monthly Payment
Estimates only. Actual payments may vary. Confirm terms with your lender.
Sales and market data
Recent sales
32 apartments at Sweeney Building have recorded sales since October 2021, the most recent for $1,725,000 in August 2026. Prices are the figures recorded with the City, not asking prices.
| 10DApartment | 1 | 1,494 | $1,725,000 | $1,155/ft² | August 24, 2026MLS |
|---|---|---|---|---|---|
| 11FLoft | 2 | 2,209 | $3,623,000 | $1,640/ft² | June 10, 2026MLS |
| 9DApartment | 1 | 1,494 | $1,825,000 | $1,222/ft² | May 12, 2026City record |
| 2HLoft | 2 | 2,046 | $2,050,000 | $1,002/ft² | April 30, 2026City record · MLS |
| 4GApartment | 1 | 2,556 | $2,300,000 | $900/ft² | March 31, 2026City record · MLS |
| 3BApartment | 3 | 1,887 | $2,875,000 | $1,524/ft² | March 10, 2026City record · MLS |
| 7HApartment | 1 | 1,320 | $1,590,000 | $1,205/ft² | February 25, 2026City record · MLS |
| 6EApartment | 1 | 1,270 | $1,450,000 | $1,142/ft² | September 19, 2025City record · MLS |
| 5BApartment | 3 | 1,887 | $2,775,000 | $1,471/ft² | June 4, 2025City record · MLS |
| 3-DApartment | 2 | 1,494 | $1,400,000 | $937/ft² | May 6, 2025City record · MLS |
| 8BApartment | Bedroom count not recorded | 1,887 | $3,200,000 | $1,696/ft² | April 16, 2025City record |
| PHAApartment | 2 | 1,515 | $2,995,000 | $1,977/ft² | March 13, 2025City record |
| PHBApartment | 3 | 1,887 | $3,725,000 | $1,974/ft² | December 27, 2024City record · MLS |
| 10EApartment | 2 | 1,270 | $1,516,000 | $1,194/ft² | December 20, 2024City record · MLS |
| 6CApartment | 2 | 1,689 | $1,950,000 | $1,155/ft² | August 14, 2024City record · MLS |
| 4DApartment | 2 | 1,494 | $1,420,000 | $950/ft² | May 22, 2024City record · MLS |
| 5GLoft | 1 | 2,556 | $2,575,000 | $1,007/ft² | January 4, 2024City record · MLS |
| 2BLoft | 4 | 3,058 | $2,850,000 | $932/ft² | October 26, 2023City record · MLS |
| 11CApartment | Bedroom count not recorded | 1,689 | $5,250,000 | $3,108/ft² | September 15, 2023City record |
| 11BApartment | 5 | 3,576 | $5,250,000 | $1,468/ft² | September 15, 2023City record · MLS |
| 3HLoft | 1 | 1,230 | $1,570,000 | $1,276/ft² | August 10, 2023City record · MLS |
| 5HApartment | 1 | 1,230 | $1,662,500 | $1,352/ft² | June 15, 2023City record · MLS |
| 3-GApartment | 1 | 2,556 | $2,510,000 | $982/ft² | February 6, 2023City record · MLS |
| 2DApartment | 2 | 2,547 | $2,400,000 | $942/ft² | October 20, 2022City record |
| 6AApartment | 2 | 1,515 | $2,173,000 | $1,434/ft² | October 12, 2022City record · MLS |
| PHDApartment | 1 | 1,494 | $1,780,000 | $1,191/ft² | September 30, 2022City record · MLS |
| 9CApartment | 3 | 1,689 | $2,400,000 | $1,421/ft² | August 24, 2022City record · MLS |
| 3-AApartment | 2 | 1,510 | $1,975,000 | $1,308/ft² | April 29, 2022City record · MLS |
| 6BApartment | 3 | 1,887 | $2,950,000 | $1,563/ft² | March 2, 2022City record · MLS |
| 11GApartment | 3 | 2,474 | $3,950,000 | $1,597/ft² | February 3, 2022City record · MLS |
| 11-FApartment | 2 | 2,209 | $3,350,000 | $1,517/ft² | January 25, 2022City record · MLS |
| 9HApartment | 1 | 1,230 | $1,750,000 | $1,423/ft² | November 23, 2021City record |
Every row is a recorded transaction, including ancillary spaces such as storage and staff rooms where they were sold separately. Those are excluded from the benchmark below.
How this price compares
- This home
- $1,975,000
- Median sold price
- $2,912,500
- Difference
- -$937,500 (-32.2%)
- This home, $/ft²
- $929
- Median $/ft²
- $1,543
- Comparable sales
- 6
- Sales from
- Feb 2022 – Mar 2026
Based on three-bedroom sales at Sweeney Building.
More market data
- Middle half of those sales
- $2,800,000 – $3,531,250
How these sales were negotiated
- Sale-to-list price
- 97.1%
- Sold below asking
- 83%
- Typical time to find a buyer
- 94 days
- Typical time to close
- 56 days
Based on three-bedroom sales at Sweeney Building with the required listing and closing data. Sample sizes vary by metric.
Price trend
Median price per square foot, sales at Sweeney Building
| Year | Median $/ft² | Sales |
|---|---|---|
| 2022 | $1,428/ft² | 8 |
| 2023 | $1,314/ft² | 6 |
| 2024 | $1,155/ft² | 5 |
| 2025 | $1,471/ft² | 5 |
| 2026 YTD | $1,205/ft² | 5 |
More market history
| Year | Median $/ft² | Sales |
|---|---|---|
| 2017 | $1,199/ft² | 7 |
| 2018 | $1,317/ft² | 11 |
| 2021 | $1,470/ft² | 6 |
Based on recorded sales at Sweeney Building. 2026 is year-to-date.
Sales data through August 2026.
Sale prices and dates are based on NYC ACRIS records. MLS closing dates may differ. Historical sales are not an appraisal or valuation of this property.
Price and Property History for 30 MAIN Street, Unit 3F
Review the recorded listing activity for 30 MAIN Street, Unit 3F, including asking-price changes and prior market dates.
| Date | Price | Listing event |
|---|---|---|
| $1,975,000 | Listed for sale by Archpoint Advisory | |
| $1,975,000 | Asking price reduced by $100,000, or 4.8% | |
| $2,075,000 | Listed for sale by Serhant |
Property Tax History
Taxes at 30 MAIN Street #3F were $20,357 in 2026, up 2.7% from 2025.
| Year | Tax Assessment | Land | Additions | Billable Value | Property Tax | Tax Rate |
|---|---|---|---|---|---|---|
| 2026FY 2026/27 | $165,404 | $2,690 | $162,714 | $162,855 | $20,357 | 12.5%Estimated |
| 2025FY 2025/26 | $170,381 | $2,690 | $167,691 | $158,569 | $19,821 | 12.5%Estimated |
| 2024FY 2024/25 | $164,111 | $2,690 | $161,421 | $153,124 | $19,141 | 12.5% |
| 2023FY 2023/24 | $173,536 | $2,690 | $170,846 | $155,634 | $12,873after $6,584 abatement | 12.502% |
| 2022FY 2022/23 | $169,656 | $2,690 | $166,966 | $141,785 | $5,233after $12,160 abatement | 12.267% |
| 2021FY 2021/22 | $137,995 | $2,690 | $135,305 | $126,074 | $4,615after $10,810 abatement | 12.235% |
| 2020FY 2020/21 | $155,807 | $2,690 | $153,117 | $115,559 | $14,176 | 12.267% |
| 2019FY 2019/20 | $141,185 | $2,690 | $138,495 | $97,492 | $12,160 | 12.473% |
| 2018FY 2018/19 | $112,749 | $2,689 | $110,060 | $84,049 | $7,766 | 12.612% |
| 2017FY 2017/18 | $91,106 | $2,690 | $88,416 | $74,063 | $6,562 | 12.719% |
| 2016FY 2016/17 | $85,419 | $2,690 | $82,729 | $69,798 | $6,101 | 12.892% |
| 2015FY 2015/16 | $65,494 | $2,689 | $62,805 | $66,359 | $5,654 | 12.883% |
| 2014FY 2014/15 | $65,496 | $2,689 | $62,807 | $66,888 | $1,843 | 12.855% |
| 2013FY 2013/14 | $51,985 | $2,689 | $49,296 | $57,527 | $403 | 13.145% |
| 2012FY 2012/13 | $69,757 | $3,163 | $66,594 | $73,703 | $764 | 13.181% |
| 2011FY 2011/12 | $67,939 | $3,163 | $64,776 | $77,660 | $1,311 | 13.433% |
| 2010FY 2010/11 | $67,836 | $3,163 | $64,673 | $81,572 | $1,825 | 13.353% |
The City has not published the official FY2026/27 and FY2025/26 tax rates yet. We calculated the tax for those years using the prior year’s rate, so treat them as an estimate rather than a figure the City has adopted. Every rate without the Estimated marker is the published one.
Tax Assessment is the assessed value on the City’s roll, and it is the figure other listing sites publish. It is not what the bill is calculated on. New York phases assessment changes in gradually for some tax classes, so the City bills the Billable Value shown beside it, less any exemption the owner holds. It usually trails the assessment, and it can sit above it for a few years after an assessment falls.
Where an abatement applies, Property Tax is the amount owed after it. Abatements are granted to the property and do not necessarily transfer to a new owner.
Figures are the New York City Department of Finance assessment roll for tax lot 3000361016. Assessed and billable values are determined by the City for tax purposes and are not an appraisal or an estimate of market value. Tax classes and rates are set annually and can change.
About The Building
Sweeney Building
30 Main Street, Brooklyn, NY 11201
A building in DUMBO / Vinegar Hill, currently featuring 2 active listings.
Interested in Sweeney Building?
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In the Neighborhood
Nearby Schools
* Distances are approximate line-of-sight metrics.
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DUMBO
Overview of DUMBO
DUMBO (Down Under the Manhattan Bridge Overpass) is iconic. For buyers seeking DUMBO real estate, it is luxury lofts. Living in DUMBO is cinematic. As a Brooklyn NYC neighborhood, it is tech-forward.Real Estate
Homes for sale in DUMBO are expensive lofts.Lifestyle
The lifestyle is high-end and touristy.Transportation
F/A/C trains and Ferry.Amenities
Brooklyn Bridge Park.Best For
Luxury seekers.
RLS IDX Data display by Real Estate Rebate Team. This 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. IDX information is provided exclusively for consumers’ personal, non-commercial use and it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
All information furnished regarding property for sale, rental or financing is from sources deemed reliable, but no warranty or representation is made as to the accuracy thereof and same is submitted subject to errors, omissions, change of price, rental or other conditions, prior sale, lease or financing or withdrawal without notice. All dimensions are approximate. For exact dimensions, you must hire your own architect or engineer and the number of bedrooms listed is for informational purposes and is not a legal conclusion. Please consult with your own architect or engineer for exact dimensions and legal specifications.