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NYC Building Records · BBL 3015900028

851 WILLOUGHBY AVENUE

Brooklyn · Block 1590 · Lot 28 · Two-family converted (Class B3)

851 WILLOUGHBY AVENUE is a Class B3 (two-family converted) building in Brooklyn (BBL 3015900028) built in 1910, with 2 residential units across 3 floors.

The building is in NYC community district 303, council district 36, zoning district C4-4L, on a 1,206-square-foot lot with a building footprint of 1,917 square feet.

The current registered owner of record per NYC PLUTO is NEUSTADT, SERACH.

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

NEUSTADT, SERACH
HPD-registered head officer: GARY NEUSTADT

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerGARY NEUSTADT
  • Corporate OwnerWLBY LLC
  • Site ManagerShulem Berger

Most recent deed

Last transferred on Dec 18, 2012.
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2012 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Mar 27, 2020MTGE$55KParties redacted — full names in MetroDeeds Scout+
Mar 27, 2020AGMT$833KParties redacted — full names in MetroDeeds Scout+
Jan 10, 2017MTGE$815KParties redacted — full names in MetroDeeds Scout+
Dec 18, 2012DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
Oct 17, 2005MTGE$110KParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
2
Year built
1910
Class
B3
Borough
Brooklyn
Zoning:
C4-4L
Lot size:
1,206 sqft
Building area:
1,917 sqft
Floors:
3
Assessed value:
$71K
Community district:
303
Council district:
36

HPD violations

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

Recent HPD violation details

Most recent 3 violations issued by NYC HPD at this address:
  • Class IInspected Nov 8, 2019
    §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 IInspected Oct 31, 2018
    §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 IInspected Jan 10, 2018
    §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

5 documents in the last 5 years (most recent Mar 27, 2020).

Frequently asked questions about 851 WILLOUGHBY AVENUE

Who owns 851 WILLOUGHBY AVENUE?

The current registered owner of record for 851 WILLOUGHBY AVENUE per NYC PLUTO is NEUSTADT, SERACH. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 851 WILLOUGHBY AVENUE last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 851 WILLOUGHBY AVENUE 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 851 WILLOUGHBY AVENUE have?

No open HPD housing-maintenance code violations are on record for 851 WILLOUGHBY 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 851 WILLOUGHBY AVENUE?

NYC Department of Finance assesses 851 WILLOUGHBY AVENUE at $71K 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 851 WILLOUGHBY AVENUE and what does that mean?

851 WILLOUGHBY AVENUE is NYC building class B3 — Two-family converted. A two-family dwelling that was converted from a one-family. 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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