21 HART STREET
21 HART STREET is a Class C0 (walk-up, 3+ families) building in Brooklyn (BBL 3017660081) built in 1899, with 3 residential units across 3 floors.
The building is in NYC community district 303, council district 36, zoning district R6B, on a 1,950-square-foot lot with a building footprint of 3,120 square feet.
The current registered owner of record per NYC PLUTO is KUBITSHUK, SHLOMO.
The most recent ACRIS deed transfer for this BBL was recorded on July 24, 2025 when 21 HART LLC conveyed the property to KUBITSHUK, SHLOMO 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 OfficerPRISCILLA CARTY
- Site ManagerShlomo Kubitshuk
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6B
- Lot size:
- 1,950 sqft
- Building area:
- 3,120 sqft
- Floors:
- 3
- Assessed value:
- $102K
- Community district:
- 303
- Council district:
- 36
HPD violations
Recent HPD violation details
- Class AInspected May 4, 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 CInspected Jun 11, 2025§ 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT BSMT-APT -1, 1st STORY, 1st BSMT-APT FROM…
- Class AInspected Jun 9, 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 BInspected Oct 29, 2024§ 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING LOCATED AT BSMT-APT 1, 1st BSMT-APT FROM WEST AT NORTH
- Class BInspected Oct 29, 2024§ 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING LOCATED AT BSMT-APT 1, 1st BSMT-APT FROM WEST AT NORTH
Recent ACRIS activity
Other buildings in this portfolio
- 51 VERNON AVENUE20 violations
- 100 HEYWARD STREET13 violations
Frequently asked questions about 21 HART STREET
Who owns 21 HART STREET?
The current registered owner of record for 21 HART STREET per NYC PLUTO is KUBITSHUK, SHLOMO. The most recent ACRIS deed transfer for this BBL was recorded on July 24, 2025 when the property was conveyed to KUBITSHUK, SHLOMO. 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 21 HART STREET last sold?
The most recent ACRIS deed transfer for 21 HART STREET was recorded on July 24, 2025, when 21 HART LLC conveyed the property to KUBITSHUK, SHLOMO for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 21 HART STREET have?
No open HPD housing-maintenance code violations are on record for 21 HART STREET 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 21 HART STREET?
NYC Department of Finance assesses 21 HART STREET at $102K 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 21 HART STREET and what does that mean?
21 HART STREET is NYC building class C0 — Walk-up, 3+ families. A 3-to-6-story walk-up apartment building (no elevator), 3 or more 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.