Brooklyn, NY 11201
Property records from NYC Department of Buildings, HPD, DOF & more
340 FLATBUSH AVE EXTENSION is a property located at 340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201. The building was constructed in 2021. The building has 74 floors. The building area is 617,022 square feet on a 46,367 sqft lot. The property is zoned C6-4.5. The assessed market value is $6.4M. The owner on file is 9 DEKALB RESIDENTIAL COMPONENT LLC. There are 20 building permits on record (20 active). There are 20 violations on record (1 currently open). Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.
+ 15 more permits — view full report
+ 19 more violations on record — view full report
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Get Free ReportThe building at 340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201 was constructed in 2021. with 74 floors. The building area is 617,022 sqft.
Yes. 340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201 has 20 building permits on record, with 20 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a bis_construction_equipment (ISSUED) filed Jul 14, 2025.
Yes. 340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201 has 20 violations on record, with 1 currently open. Breakdown: 1 DOB, 19 ECB. Sources: NYC DOB, HPD, and ECB/OATH.
340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201 has an assessed market value of $6.4M and a total assessed value of $2.9M (land: $130K). Assessment data is from the NYC Department of Finance (DOF).
340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201 is zoned C6-4.5. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.
The owner on record for 340 FLATBUSH AVE EXTENSION, Brooklyn, NY 11201 is 9 DEKALB RESIDENTIAL COMPONENT LLC. Ownership data is from NYC Department of Finance assessment rolls.
Search 340 FLATBUSH AVE EXTENSION on RegWatch to get a complete property report covering violations, permits, title history, tax records, zoning, environmental data, and more from 270+ government sources. Unlimited free property data — no credit card required.
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