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NYC Building Records · BBL 3009200045

4022 9 AVENUE

Brooklyn · Block 920 · Lot 45 · Walk-up, pre-1929 (Class C3)

4022 9 AVENUE is a Class C3 (walk-up, pre-1929) building in Brooklyn (BBL 3009200045) built in 1945, with 4 residential units.

The current registered owner of record per NYC PLUTO is WAN BIU LIU.

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

WAN BIU LIU

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Managing AgentAndy Yang
  • Site ManagerWan Liu
  • Joint OwnerXiu Lin

Most recent deed

No recent ACRIS deed on record.
🔒 See the full deed history for this building →

Building stats

Units
4
Year built
1945
Class
C3
Borough
Brooklyn

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 Apr 30, 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 BInspected Aug 18, 2025
    § 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES SHOPPING CART, FLOWER…
  • Class AInspected Aug 15, 2025
    § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE RECCESS OF THE SKYLIGHT AT PUBLIC HALL, 2nd STO…
  • Class BInspected Aug 15, 2025
    § 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVI…
  • Class CInspected Aug 15, 2025
    § 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF HOT WATER EXCEEDING THE ALLOWED TEMPERATURE OF 130.F DEGREES AT HOTWATER F…
🔒 See closure dates + classification on archived violations →

Frequently asked questions about 4022 9 AVENUE

Who owns 4022 9 AVENUE?

The current registered owner of record for 4022 9 AVENUE per NYC PLUTO is WAN BIU LIU. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 4022 9 AVENUE last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 4022 9 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 4022 9 AVENUE have?

No open HPD housing-maintenance code violations are on record for 4022 9 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 building class is 4022 9 AVENUE and what does that mean?

4022 9 AVENUE 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.

More from MetroDeeds

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