84 BAY 40 STREET
84 BAY 40 STREET is a Class C0 (walk-up, 3+ families) building in Brooklyn (BBL 3068670001) built in 1935, with 3 residential units across 3 floors.
The building is in NYC community district 311, council district 43, zoning district R5, on a 1,933-square-foot lot with a building footprint of 4,160 square feet.
The current registered owner of record per NYC PLUTO is ZHU, JULIA.
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
- Head OfficerHUI DAO ZHU
- Site ManagerJULIA ZHU
- Joint OwnerXIN QIN GU
Most recent deed
Recent ACRIS documents (last 1)
Building stats
- Zoning:
- R5
- Lot size:
- 1,933 sqft
- Building area:
- 4,160 sqft
- Floors:
- 3
- Assessed value:
- $130K
- Community district:
- 311
- Council district:
- 43
HPD violations
Recent HPD violation details
- 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 26, 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…
Recent ACRIS activity
Frequently asked questions about 84 BAY 40 STREET
Who owns 84 BAY 40 STREET?
The current registered owner of record for 84 BAY 40 STREET per NYC PLUTO is ZHU, JULIA. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 84 BAY 40 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 84 BAY 40 STREET 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 84 BAY 40 STREET have?
No open HPD housing-maintenance code violations are on record for 84 BAY 40 STREET 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 84 BAY 40 STREET?
NYC Department of Finance assesses 84 BAY 40 STREET at $130K 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 84 BAY 40 STREET and what does that mean?
84 BAY 40 STREET is NYC building class C0 — Walk-up, 3+ families. A 3-to-6-story walk-up apartment building (no elevator), 3 or more 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.