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NYC Building Records · BBL 3017820064

329 KOSCIUSZKO STREET

Brooklyn · Block 1782 · Lot 64 · Walk-up, over six families (Class C1)

329 KOSCIUSZKO STREET is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3017820064) built in 2007, with 8 residential units across 4 floors.

The building is in NYC community district 303, council district 36, zoning district R6B, on a 2,500-square-foot lot with a building footprint of 6,889 square feet.

The current registered owner of record per NYC PLUTO is K STREET ESTATES LLC.

MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 18, 2026.

Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.

Owner of record

K STREET ESTATES LLC
HPD-registered head officer: Joel Braver

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerJoel Braver
  • Corporate OwnerK Street Estates LLC

Most recent deed

Last transferred on Mar 18, 2015 for $4.3M to K Street Estates Llc.
Previous owner: 325-331 Kosciuszko, Llc
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2015 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Jan 8, 2021AGMT$13.0MParties redacted — full names in MetroDeeds Scout+
Apr 27, 2020AGMT$3.2MParties redacted — full names in MetroDeeds Scout+
Apr 27, 2020AGMT$3.2MParties redacted — full names in MetroDeeds Scout+
Mar 18, 2015DEED$4.3MParties redacted — full names in MetroDeeds Scout+
May 2, 2006AGMT$3.0MParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
8
Year built
2007
Class
C1
Borough
Brooklyn
Zoning:
R6B
Lot size:
2,500 sqft
Building area:
6,889 sqft
Floors:
4
Assessed value:
$440K
Community district:
303
Council district:
36

HPD violations

0 open
Most severe class on record: Class A
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class AInspected May 8, 2026
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
  • Class AInspected Apr 17, 2024
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
  • Class AInspected Mar 31, 2023
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
  • Class AInspected Mar 10, 2022
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
  • Class AInspected Apr 20, 2021
    (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent Jan 8, 2021).

Other buildings in this portfolio

K Street Estates Llc controls 2 NYC buildings. Top properties by HPD violation count:

Frequently asked questions about 329 KOSCIUSZKO STREET

Who owns 329 KOSCIUSZKO STREET?

The current registered owner of record for 329 KOSCIUSZKO STREET per NYC PLUTO is K STREET ESTATES LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 329 KOSCIUSZKO STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 329 KOSCIUSZKO STREET in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).

How many HPD violations does 329 KOSCIUSZKO STREET have?

No open HPD housing-maintenance code violations are on record for 329 KOSCIUSZKO STREET as of May 18, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.

What is the assessed value of 329 KOSCIUSZKO STREET?

NYC Department of Finance assesses 329 KOSCIUSZKO STREET at $440K for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.

What building class is 329 KOSCIUSZKO STREET and what does that mean?

329 KOSCIUSZKO STREET is NYC building class C1 — Walk-up, over six families. A 3-to-6-story walk-up apartment building with more than 6 residential units. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.

More from MetroDeeds

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Every deed, every violation, court cases, mortgages, and operator portfolio — in one panel.
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