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NYC Building Records · BBL 3027790003

372 UNION AVENUE

Brooklyn · Block 2779 · Lot 3 · Walk-up, three families (Class C4)

372 UNION AVENUE is a Class C4 (walk-up, three families) building in Brooklyn (BBL 3027790003) built in 1930, with 6 residential units across 3 floors.

The building is in NYC community district 301, council district 34, zoning district R7A, on a 2,170-square-foot lot with a building footprint of 4,200 square feet.

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

The most recent ACRIS deed transfer for this BBL was recorded on December 1, 2021 when UNION 372 LLC conveyed the property to RHOMBUS UNION LLC for $2.10M. 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

RHOMBUS UNION LLC
HPD-registered head officer: Ilan Rosenthal

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerIlan Rosenthal
  • Corporate OwnerRhombus Union LLC
  • Managing AgentLivingston Management Services
  • Site ManagerPatrick Bowry

Most recent deed

Last transferred on Dec 1, 2021 for $2.1M to RHOMBUS UNION LLC.
Previous owner: UNION 372 LLC
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2021 sale →

Recent ACRIS documents (last 3)

DateTypeAmountParties
Dec 1, 2021DEED$2.1MParties redacted — full names in MetroDeeds Scout+
Mar 3, 2017DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Jun 5, 2013DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 3 redacted buyer/seller names above →

Building stats

Units
6
Year built
1930
Class
C4
Borough
Brooklyn
Zoning:
R7A
Lot size:
2,170 sqft
Building area:
4,200 sqft
Floors:
3
Assessed value:
$720K
Community district:
301
Council district:
34

HPD violations

0 open
Most severe class on record: Class C (immediately hazardous)
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 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…
  • Class CInspected Dec 8, 2023
    § 27-2056.4 ADM CODE- CORRECT FAILURE TO NOTIFY OCCUPANTS AND/OR TO INVESTIGATE LEAD-BASED PAINT HAZARDS.
  • Class CInspected Dec 8, 2023
    § 27-2056.4(H) AND 27-2056.17 ADM CODE -CORRECT FAILURE TO PROVIDE TO THE DEPARTMENT WITHIN 45 DAYS OF DEMAND ALL RECORDS REQUIRED TO BE MAI…
  • Class IInspected Nov 20, 2023
    §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…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

3 documents in the last 5 years (most recent Dec 1, 2021).

Frequently asked questions about 372 UNION AVENUE

Who owns 372 UNION AVENUE?

The current registered owner of record for 372 UNION AVENUE per NYC PLUTO is RHOMBUS UNION LLC. The most recent ACRIS deed transfer for this BBL was recorded on December 1, 2021 when the property was conveyed to RHOMBUS UNION 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 372 UNION AVENUE last sold?

The most recent ACRIS deed transfer for 372 UNION AVENUE was recorded on December 1, 2021, when UNION 372 LLC conveyed the property to RHOMBUS UNION LLC for $2.10M. The transaction was recorded as cash (no paired mortgage instrument).

How many HPD violations does 372 UNION AVENUE have?

No open HPD housing-maintenance code violations are on record for 372 UNION AVENUE 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 372 UNION AVENUE?

NYC Department of Finance assesses 372 UNION AVENUE at $720K 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 372 UNION AVENUE and what does that mean?

372 UNION AVENUE is NYC building class C4 — Walk-up, three families. A 3-to-6-story walk-up apartment building with 3 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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