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NYC Building Records · BBL 3056450068

927 51 STREET

Brooklyn · Block 5645 · Lot 68 · Walk-up, pre-1929 (Class C3)

927 51 STREET is a Class C3 (walk-up, pre-1929) building in Brooklyn (BBL 3056450068) built in 1931, with 4 residential units across 2 floors.

The building is in NYC community district 312, council district 38, zoning district R6, on a 2,713-square-foot lot with a building footprint of 3,040 square feet.

The current registered owner of record per NYC PLUTO is GELLER, JOSEPH J.

The most recent ACRIS deed transfer for this BBL was recorded on September 1, 2021 when TANNENBAUM, SARAH conveyed the property to GELLER, JOSEPH J; GELLER, SARA NECHAMA for $1.64M. The transaction was financed with a $1.61M mortgage from Mers.

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 17, 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

GELLER, JOSEPH J
HPD-registered head officer: GERSHON TANNENBAUM

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerGERSHON TANNENBAUM
  • Corporate OwnerGERSHON & SARAH TANNENBAUM
  • Managing AgentSARAH TANNENBAUM
  • Joint OwnerSARAH TENNENBAUM

Most recent deed

Last transferred on Sep 1, 2021 for $1.6M to GELLER, JOSEPH J; GELLER, SARA NECHAMA.
Previous owner: TANNENBAUM, SARAH
Mortgage: $1.6M recorded Sep 1, 2021 with Mers. Loan-to-value: 98%.
🔒 See full deed history for this building →

Recent ACRIS documents (last 3)

DateTypeAmountParties
Sep 1, 2021MTGE$1.6MParties redacted — full names in MetroDeeds Scout+
Sep 1, 2021DEED$1.6MParties redacted — full names in MetroDeeds Scout+
Nov 6, 2019MTGE$150KParties redacted — full names in MetroDeeds Scout+
🔒 Unlock party names + multi-decade history →

Building stats

Units
4
Year built
1931
Class
C3
Borough
Brooklyn
Zoning:
R6
Lot size:
2,713 sqft
Building area:
3,040 sqft
Floors:
2
Assessed value:
$289K
Community district:
312
Council district:
38

HPD violations

0 open
Most severe class on record: Class B
No open violations on record. Source: NYC HPD.
🔒 See full violation history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class AInspected May 1, 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 19, 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 6, 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 27, 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 8, 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 full violation history with closure dates →

Recent ACRIS activity

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

Frequently asked questions about 927 51 STREET

Who owns 927 51 STREET?

The current registered owner of record for 927 51 STREET per NYC PLUTO is GELLER, JOSEPH J. The most recent ACRIS deed transfer for this BBL was recorded on September 1, 2021 when the property was conveyed to GELLER, JOSEPH J; GELLER, SARA NECHAMA. 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 927 51 STREET last sold?

The most recent ACRIS deed transfer for 927 51 STREET was recorded on September 1, 2021, when TANNENBAUM, SARAH conveyed the property to GELLER, JOSEPH J; GELLER, SARA NECHAMA for $1.64M. The transaction was financed with a $1.61M mortgage from Mers.

How many HPD violations does 927 51 STREET have?

No open HPD housing-maintenance code violations are on record for 927 51 STREET as of May 17, 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 927 51 STREET?

NYC Department of Finance assesses 927 51 STREET at $289K 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 927 51 STREET and what does that mean?

927 51 STREET is NYC building class C3 — Walk-up, pre-1929. A walk-up apartment building constructed before 1929, typically 3-6 stories and often rent-stabilized. 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.

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