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NYC Building Records · BBL 3004290065

377 UNION STREET

Brooklyn · Block 429 · Lot 65 · One-family city home (Class A4)

377 UNION STREET is a Class A4 (one-family city home) building in Brooklyn (BBL 3004290065) built in 1899, with 1 residential unit across 3 floors.

The building is in NYC community district 306, council district 39, zoning district R6B, on a 1,980-square-foot lot with a building footprint of 4,400 square feet.

The current registered owner of record per NYC PLUTO is 377 UNION STREET LLC.

The most recent ACRIS deed transfer for this BBL was recorded on April 8, 2022 when IRA B. WARSHAWSKY, ESQ. conveyed the property to 377 UNION STREET LLC for $4.77M. The transaction was recorded as cash (no paired mortgage instrument).

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

377 UNION STREET LLC

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Site ManagerPAMELA PETERSON

Most recent deed

Last transferred on Apr 8, 2022 for $4.8M to 377 UNION STREET LLC.
Previous owner: IRA B. WARSHAWSKY, ESQ.
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2022 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Apr 8, 2022DEED$4.8MParties redacted — full names in MetroDeeds Scout+
Apr 14, 2017MTGE$300KParties redacted — full names in MetroDeeds Scout+
Jan 17, 2017MTGE$5.3MParties redacted — full names in MetroDeeds Scout+
Jan 17, 2017MTGE$1.2MParties redacted — full names in MetroDeeds Scout+
Jan 13, 2017MTGE$304KParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
1
Year built
1899
Class
A4
Borough
Brooklyn
Zoning:
R6B
Lot size:
1,980 sqft
Building area:
4,400 sqft
Floors:
3
Assessed value:
$305K
Community district:
306
Council district:
39

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 6, 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 IInspected Nov 20, 2025
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class AInspected Jun 11, 2025
    (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 IInspected Nov 29, 2024
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class AInspected Apr 12, 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…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent Apr 8, 2022).

Frequently asked questions about 377 UNION STREET

Who owns 377 UNION STREET?

The current registered owner of record for 377 UNION STREET per NYC PLUTO is 377 UNION STREET LLC. The most recent ACRIS deed transfer for this BBL was recorded on April 8, 2022 when the property was conveyed to 377 UNION STREET LLC. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.

When was 377 UNION STREET last sold?

The most recent ACRIS deed transfer for 377 UNION STREET was recorded on April 8, 2022, when IRA B. WARSHAWSKY, ESQ. conveyed the property to 377 UNION STREET LLC for $4.77M. The transaction was recorded as cash (no paired mortgage instrument).

How many HPD violations does 377 UNION STREET have?

No open HPD housing-maintenance code violations are on record for 377 UNION 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 377 UNION STREET?

NYC Department of Finance assesses 377 UNION STREET at $305K 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 377 UNION STREET and what does that mean?

377 UNION STREET is NYC building class A4 — One-family city home. A single-family attached or semi-detached city home. 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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