8501 21 AVENUE
8501 21 AVENUE is a Class S5 (elevator + store) building in Brooklyn (BBL 3063470010) built in 1929, with 6 residential units across 3 floors.
The building is in NYC community district 311, council district 43, zoning district C4-2, on a 2,400-square-foot lot with a building footprint of 4,320 square feet.
The current registered owner of record per NYC PLUTO is 8501 21 AVE LLC.
The most recent ACRIS deed transfer for this BBL was recorded on May 20, 2022 when Shuk Yin Choi, As Trustee; Shuk Yin Choi Living Trust conveyed the property to 8501 21 Ave Llc for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
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 OfficerKIN; CHUNG CHOI
- Corporate Owner8501 21 AVE
- Managing AgentKIN;CHUNG CHOI
- Site ManagerHENRy CHOICEr
Most recent deed
Recent ACRIS documents (last 4)
Building stats
- Zoning:
- C4-2
- Lot size:
- 2,400 sqft
- Building area:
- 4,320 sqft
- Floors:
- 3
- Assessed value:
- $368K
- 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 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 Jun 10, 2022§ 27-2005 ADM CODE REFIT BUILDING FRONT ENTRANCE DOOR
- Class CInspected Jun 10, 2022§ 27-2005, 27-2007, 27-2041.1 HMC: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE AT BUILDING FRONT ENTRANCE DOOR
Recent ACRIS activity
Frequently asked questions about 8501 21 AVENUE
Who owns 8501 21 AVENUE?
The current registered owner of record for 8501 21 AVENUE per NYC PLUTO is 8501 21 AVE LLC. The most recent ACRIS deed transfer for this BBL was recorded on May 20, 2022 when the property was conveyed to 8501 21 Ave Llc. 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 8501 21 AVENUE last sold?
The most recent ACRIS deed transfer for 8501 21 AVENUE was recorded on May 20, 2022, when Shuk Yin Choi, As Trustee; Shuk Yin Choi Living Trust conveyed the property to 8501 21 Ave Llc for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 8501 21 AVENUE have?
No open HPD housing-maintenance code violations are on record for 8501 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 8501 21 AVENUE?
NYC Department of Finance assesses 8501 21 AVENUE at $368K 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 8501 21 AVENUE and what does that mean?
8501 21 AVENUE is NYC building class S5 — Elevator + store. An elevator apartment with one or more store 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.