8809 21 AVENUE
8809 21 AVENUE is a Class C2 (walk-up, five to six) building in Brooklyn (BBL 3064450011) built in 1930, with 6 residential units across 2 floors.
The building is in NYC community district 311, council district 47, zoning district R5, on a 2,744-square-foot lot with a building footprint of 1,650 square feet.
The current registered owner of record per NYC PLUTO is 8811 SW INC.
The most recent ACRIS deed transfer for this BBL was recorded on September 21, 2021 when AL YAN MO, BERTINA conveyed the property to 8811 SW INC for $1.28M. The transaction was financed with a $960K mortgage from Cathay Bank.
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 OfficerSTEVEN WU
- Corporate Owner8811 SW INC
- Managing AgentMARIA WU
Most recent deed
Recent ACRIS documents (last 2)
Building stats
- Zoning:
- R5
- Lot size:
- 2,744 sqft
- Building area:
- 1,650 sqft
- Floors:
- 2
- Assessed value:
- $157K
- Community district:
- 311
- Council district:
- 47
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 BInspected Jul 20, 2025§ 27-2005 ADM CODE PROPERLY SECURE THE LOOSE HANDRAIL AT PUBLIC HALL STAIRS, 3rd STORY
- Class BInspected Jul 20, 2025§ 27-2005 ADM CODE REPLACE WITH NEW THE MISSING 1ST AND 2ND BALUSTER FROM TOP AT PUBLIC HALL STAIRS, 3rd STORY
- Class BInspected Jul 18, 2025§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 3rd ROOM FROM EAST AT SOUTH LOCATED AT AP…
Recent ACRIS activity
Frequently asked questions about 8809 21 AVENUE
Who owns 8809 21 AVENUE?
The current registered owner of record for 8809 21 AVENUE per NYC PLUTO is 8811 SW INC. The most recent ACRIS deed transfer for this BBL was recorded on September 21, 2021 when the property was conveyed to 8811 SW INC. 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 8809 21 AVENUE last sold?
The most recent ACRIS deed transfer for 8809 21 AVENUE was recorded on September 21, 2021, when AL YAN MO, BERTINA conveyed the property to 8811 SW INC for $1.28M. The transaction was financed with a $960K mortgage from Cathay Bank.
How many HPD violations does 8809 21 AVENUE have?
No open HPD housing-maintenance code violations are on record for 8809 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 8809 21 AVENUE?
NYC Department of Finance assesses 8809 21 AVENUE at $157K 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 8809 21 AVENUE and what does that mean?
8809 21 AVENUE is NYC building class C2 — Walk-up, five to six. A 3-to-6-story walk-up apartment building, 5-6 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.