805 EAST 21 STREET
805 EAST 21 STREET is a Class B3 (two-family converted) building in Brooklyn (BBL 3052420020) built in 1901, with 2 residential units across 3 floors.
The building is in NYC community district 314, council district 45, zoning district R3X, on a 4,000-square-foot lot with a building footprint of 2,816 square feet.
The current registered owner of record per NYC PLUTO is HELEN RUTH ENGELHARDT AS TRUSTEE.
The most recent ACRIS deed transfer for this BBL was recorded on November 21, 2025 when ENGELHARDT, HELEN conveyed the property to HELEN RUTH ENGELHARDT AS TRUSTEE; HELEN RUTH ENGELHARDT LIVING TRUST for a non-disclosed consideration. 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
Recent ACRIS documents (last 1)
Building stats
- Zoning:
- R3X
- Lot size:
- 4,000 sqft
- Building area:
- 2,816 sqft
- Floors:
- 2.5
- Assessed value:
- $99K
- Community district:
- 314
- Council district:
- 45
HPD violations
Recent HPD violation details
Recent ACRIS activity
Frequently asked questions about 805 EAST 21 STREET
Who owns 805 EAST 21 STREET?
The current registered owner of record for 805 EAST 21 STREET per NYC PLUTO is HELEN RUTH ENGELHARDT AS TRUSTEE. The most recent ACRIS deed transfer for this BBL was recorded on November 21, 2025 when the property was conveyed to HELEN RUTH ENGELHARDT AS TRUSTEE; HELEN RUTH ENGELHARDT LIVING TRUST. 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 805 EAST 21 STREET last sold?
The most recent ACRIS deed transfer for 805 EAST 21 STREET was recorded on November 21, 2025, when ENGELHARDT, HELEN conveyed the property to HELEN RUTH ENGELHARDT AS TRUSTEE; HELEN RUTH ENGELHARDT LIVING TRUST for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 805 EAST 21 STREET have?
No open HPD housing-maintenance code violations are on record for 805 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 805 EAST 21 STREET?
NYC Department of Finance assesses 805 EAST 21 STREET at $99K 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 805 EAST 21 STREET and what does that mean?
805 EAST 21 STREET 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.