847 WILLOUGHBY AVENUE
847 WILLOUGHBY AVENUE is a Class B3 (two-family converted) building in Brooklyn (BBL 3015900030) built in 1899, with 2 residential units across 2 floors.
The building is in NYC community district 303, council district 36, zoning district C4-4L, on a 1,500-square-foot lot with a building footprint of 2,100 square feet.
The current registered owner of record per NYC PLUTO is YEUNG, SIU NGON.
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
HPD registered contacts
- Managing AgentWAN YING NG YEUNG
- Joint OwnerSIU NGON YEUNG
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- C4-4L
- Lot size:
- 1,500 sqft
- Building area:
- 2,100 sqft
- Floors:
- 2
- Assessed value:
- $94K
- Community district:
- 303
- Council district:
- 36
HPD violations
Recent HPD violation details
- Class IInspected Nov 24, 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 IInspected Dec 4, 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 IInspected Nov 28, 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…
- Class IInspected Nov 17, 2022§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 Mar 17, 2022§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…
Recent ACRIS activity
Other buildings in this portfolio
- 61A PALMETTO STREET2 violations
Frequently asked questions about 847 WILLOUGHBY AVENUE
Who owns 847 WILLOUGHBY AVENUE?
The current registered owner of record for 847 WILLOUGHBY AVENUE per NYC PLUTO is YEUNG, SIU NGON. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 847 WILLOUGHBY AVENUE last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 847 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 847 WILLOUGHBY AVENUE have?
No open HPD housing-maintenance code violations are on record for 847 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 847 WILLOUGHBY AVENUE?
NYC Department of Finance assesses 847 WILLOUGHBY AVENUE at $94K 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 847 WILLOUGHBY AVENUE and what does that mean?
847 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.