221 EAST 21 STREET
221 EAST 21 STREET is a Class A9 (one-family misc) building in Brooklyn (BBL 3051020123) built in 1918, with 1 residential unit across 3 floors.
The building is in NYC community district 314, council district 40, zoning district R5B, on a 1,518-square-foot lot with a building footprint of 3,000 square feet.
The current registered owner of record per NYC PLUTO is SIENKO, DAVID.
The most recent ACRIS deed transfer for this BBL was recorded on June 11, 2025 when PRECHT, KATHERINE; EVANS, CHRISTOPHER conveyed the property to BLOOM, RACHEL; SIENKO, DAVID for $2.45M. The transaction was recorded as cash (no paired mortgage instrument).
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
Most recent deed
Activity timeline
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R5B
- Lot size:
- 1,518 sqft
- Building area:
- 3,000 sqft
- Floors:
- 3
- Assessed value:
- $96K
- Community district:
- 314
- Council district:
- 40
HPD violations
Recent HPD violation details
Recent ACRIS activity
Frequently asked questions about 221 EAST 21 STREET
Who owns 221 EAST 21 STREET?
The current registered owner of record for 221 EAST 21 STREET per NYC PLUTO is SIENKO, DAVID. The most recent ACRIS deed transfer for this BBL was recorded on June 11, 2025 when the property was conveyed to BLOOM, RACHEL; SIENKO, DAVID. 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 221 EAST 21 STREET last sold?
The most recent ACRIS deed transfer for 221 EAST 21 STREET was recorded on June 11, 2025, when PRECHT, KATHERINE; EVANS, CHRISTOPHER conveyed the property to BLOOM, RACHEL; SIENKO, DAVID for $2.45M. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 221 EAST 21 STREET have?
No open HPD housing-maintenance code violations are on record for 221 EAST 21 STREET. The building is not registered with NYC HPD's landlord-registration system, which is typical for owner-occupied 1-2 family dwellings. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 221 EAST 21 STREET?
NYC Department of Finance assesses 221 EAST 21 STREET at $96K 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 221 EAST 21 STREET and what does that mean?
221 EAST 21 STREET is NYC building class A9 — One-family misc. Miscellaneous one-family dwelling. 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.