David Grunfeld files plans for 99-unit building in Gowanus
444 Carroll Street (Credit - Cyclomedia)
David Grunfeld through the entity GW Infinity, submitted a new building construction project for a 99-unit, 68,526 square-foot residential (R-2) building at 444 Carroll Street in Gowanus, Brooklyn. The plan was filed with the New York City Department of Buildings on August 7, 2025 under job number B01255387. It calls for the construction of a six-story building. The project is described in the filing as: proposed six-story residential mixed-use building. The architect is Kao Hwa Lee Architects.
Property records do not reflect a sale in years.
The plan calls for retail space on the ground floor, as well as residential apartments on the first through the sixth floor.
444 Carroll Street
| wdt_ID | wdt_created_by | wdt_created_at | wdt_last_edited_by | wdt_last_edited_at | floor | comment | description | persons_permitted | occupancy_label | zoning_use | dwelling_units |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | acris | 08/11/2025 05:45 AM | acris | 08/11/2025 05:45 AM | Open Space | COURTYARD | Apartment | 0 | Residential | ||
| 2 | acris | 08/11/2025 05:45 AM | acris | 08/11/2025 05:45 AM | 1 | RETAIL | Retail Sale | 8 | Mercantile | ||
| 3 | acris | 08/11/2025 05:45 AM | acris | 08/11/2025 05:45 AM | 1 | 6 DWELLING UNITS WITH PRIVATE TERRACES | Apartment | 0 | Residential | 6 | |
| 4 | acris | 08/11/2025 05:45 AM | acris | 08/11/2025 05:45 AM | 1 | RESIDENTIAL LOBBY, PACKAGE ROOM, REFUSE ROOM, ELECTRICWATER ROOM | Apartment | 0 | Residential | ||
| 5 | acris | 08/11/2025 05:45 AM | acris | 08/11/2025 05:45 AM | 1 | RETAIL | Retail Sale | 2 | Mercantile | ||
| 6 | acris | 08/11/2025 05:45 AM | acris | 08/11/2025 05:45 AM | 1 | RESIDENTIAL AMENITIES | Apartment | 11 | Residential | ||
| 7 | acris | 08/11/2025 05:45 AM | acris | 08/11/2025 05:45 AM | 2 | 3 DWELLING UNITS AND 16 DWELLING UNITS WITH PRIVATE TERRACE | Apartment | 0 | Residential | 19 | |
| 8 | acris | 08/11/2025 05:45 AM | acris | 08/11/2025 05:45 AM | 3 | 10 DWELLING UNITS AND 9 DWELLING UNITS WITH PRIVATE TERRACE | Apartment | 0 | Residential | 19 | |
| 9 | acris | 08/11/2025 05:45 AM | acris | 08/11/2025 05:45 AM | 4 | 10 DWELLING UNITS AND 9 DWELLING UNITS WITH PRIVATE TERRACE | Apartment | 0 | Residential | 19 | |
| 10 | acris | 08/11/2025 05:45 AM | acris | 08/11/2025 05:45 AM | 5 | 10 DWELLING UNITS AND 9 DWELLING UNITS WITH PRIVATE TERRACE | Apartment | 0 | Residential | 19 | |
| 11 | acris | 08/11/2025 05:45 AM | acris | 08/11/2025 05:45 AM | 6 | 9 DWELLING UNITS AND 8 DWELLING UNITS WITH PRIVATE TERRACE | Apartment | 0 | Residential | 17 | |
| 12 | acris | 08/11/2025 05:45 AM | acris | 08/11/2025 05:45 AM | Roof | MECHANICAL AREA AND ROOF AREA | Apartment | 0 | Residential |
The property
The parcel has frontage of 94 feet and is 242 feet deep with a total lot size of 28,292 square feet. The lot is irregular. The zoning is M1-4/R6B which allows for up to 2 times floor area ratio (FAR) for manufacturing and up to 2 times FAR for residential with inclusionary housing. The city-designated market value for the property in 2022 is $2.1 million.
Violations and lawsuits
According to city public data, the property has not received any significant violations in the last year.
The property was involved in one lawsuit over the past two years. The suit was a $14.5 million money judgment concerning a sale filed on October 6, 2023, by Tankhouse, Sam Alison-Mayne, and Sebastian Mendez against Frank Perone.
The neighborhood
In Gowanus, The bulk, or 46 percent of the 9.2 million square feet of commercial built space are industrial buildings, with elevator buildings next occupying 19 percent of the space. In sales, Gowanus has near average sales volume among other neighborhoods with $721.6 million in sales volume in the last two years and is the 7th highest in Brooklyn. For development, Gowanus has near average amount of major developments among other neighborhoods and is the 6th highest in Brooklyn. It had 2.1 million square feet of commercial and multi-family construction under development in the last two years, which represents 23 percent of the neighborhood’s built space.
The block
On this tax block, PincusCo has identified the owners of two of the nine commercial properties representing 1,834 square feet of the 142,069 square feet. The two identified owners are Domain Companies and Mccallum Burr Alexandra. On the tax block, there were two new building construction projects totaling 382,198 square feet. The largest is a 360-unit, 313,672 square-foot residential (R-2) building submitted by VOREA Group and filed by Peter Papamichael with plans filed October 29, 2021 and permitted January 4, 2023. The second largest is a 99-unit, 68,526 square-foot residential (R-2) building submitted by David Grunfeld and filed by David Grunfeld with plans filed August 7, 2025 and it has not been permitted yet.
The surrounding
Within a 400-foot radius of 450 Carroll Street, PincusCo identified three commercial real estate items of interests occurred over the past 24 months. Of those three items, two were in new building development. There were one new building permit application and one new building permit. The most recent of these two items was a filing on July 3, 2025 for a 12,183-square-foot residential (R-2) building with four residential units at 341 Nevins Street. One of those three items was a loan which Domain Companies borrowed $199 million from Equitable Financial Life Insurance Company secured by the 380,071-square-foot, 369-unit rental (D7) on 420 Carroll Street on July 24, 2025.
Direct link to the property’s ACRIS page and link to DOB NOW portal.
