5911 21 AVENUE
5911 21 AVENUE is a Class B3 (two-family converted) building in Brooklyn (BBL 3055150006) built in 1935, with 2 residential units across 2 floors.
The building is in NYC community district 312, council district 44, zoning district R5, on a 1,560-square-foot lot with a building footprint of 1,580 square feet.
The current registered owner of record per NYC PLUTO is LIN, GUANGYAO.
The most recent ACRIS deed transfer for this BBL was recorded on November 17, 2021 when ZHENG, XIU ZENG; ZHANG, YANXING conveyed the property to LIN, GUANGYAO; WENG, LI YAN for $1.28M. The transaction was financed with a $750K 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 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
- Site ManagerGUANGYAO LIN
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R5
- Lot size:
- 1,560 sqft
- Building area:
- 1,580 sqft
- Floors:
- 2
- Assessed value:
- $58K
- Community district:
- 312
- Council district:
- 44
HPD violations
Recent HPD violation details
- 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 16, 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
Frequently asked questions about 5911 21 AVENUE
Who owns 5911 21 AVENUE?
The current registered owner of record for 5911 21 AVENUE per NYC PLUTO is LIN, GUANGYAO. The most recent ACRIS deed transfer for this BBL was recorded on November 17, 2021 when the property was conveyed to LIN, GUANGYAO; WENG, LI YAN. 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 5911 21 AVENUE last sold?
The most recent ACRIS deed transfer for 5911 21 AVENUE was recorded on November 17, 2021, when ZHENG, XIU ZENG; ZHANG, YANXING conveyed the property to LIN, GUANGYAO; WENG, LI YAN for $1.28M. The transaction was financed with a $750K mortgage from Mers.
How many HPD violations does 5911 21 AVENUE have?
No open HPD housing-maintenance code violations are on record for 5911 21 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 5911 21 AVENUE?
NYC Department of Finance assesses 5911 21 AVENUE at $58K 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 5911 21 AVENUE and what does that mean?
5911 21 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.