21 JEFFERSON STREET
21 JEFFERSON STREET is a Class B9 (two-family misc) building in Brooklyn (BBL 3031600043) built in 1899, with 2 residential units across 3 floors.
The building is in NYC community district 304, council district 34, zoning district R6, on a 2,200-square-foot lot with a building footprint of 3,696 square feet.
The current registered owner of record per NYC PLUTO is ALDRIDGE, IAN.
The most recent ACRIS deed transfer for this BBL was recorded on December 23, 2025 when VISION VENTURES DEVELOPMENT CORP. conveyed the property to ALDRIDGE, IAN; ALDRIDGE, MIRA for $1.57M. The transaction was financed with a $1.18M mortgage from Mers.
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 17, 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 Officershlomo ruben
- Corporate OwnerVision Ventures Development Corp
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R6
- Lot size:
- 2,200 sqft
- Building area:
- 3,696 sqft
- Floors:
- 3
- Assessed value:
- $110K
- Community district:
- 304
- Council district:
- 34
HPD violations
Recent HPD violation details
- Class BInspected Mar 8, 2006§ 27-2005 ADMIN. CODE: PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 3rd ROOM FROM NORTH LOCATED AT BSMT-A…
- Class BInspected Mar 8, 2006HMC ADM CODE: § 27-2018.4 ABATE THE NUISANCE CONSISTING OF VERMIN ROACHES IN THE ENTIRE APARTMENT LOCATED AT BSMT-APT BSMT
- Class BInspected Mar 8, 2006HMC ADM CODE: § 27-2018.4 ABATE THE NUISANCE CONSISTING OF VERMIN , MICE IN THE ENTIRE APARTMENT LOCATED AT BSMT-APT BSMT
- Class BInspected Mar 8, 2006§ 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF MOISTURE PENETRATING THE EAST WALL IN THE 3rd ROOM FROM NORTH LOCATED AT A…
- Class BInspected Mar 8, 2006§ 27-2046.1, 2046.2 HMC: PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW A…
Recent ACRIS activity
Frequently asked questions about 21 JEFFERSON STREET
Who owns 21 JEFFERSON STREET?
The current registered owner of record for 21 JEFFERSON STREET per NYC PLUTO is ALDRIDGE, IAN. The most recent ACRIS deed transfer for this BBL was recorded on December 23, 2025 when the property was conveyed to ALDRIDGE, IAN; ALDRIDGE, MIRA. 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 JEFFERSON STREET last sold?
The most recent ACRIS deed transfer for 21 JEFFERSON STREET was recorded on December 23, 2025, when VISION VENTURES DEVELOPMENT CORP. conveyed the property to ALDRIDGE, IAN; ALDRIDGE, MIRA for $1.57M. The transaction was financed with a $1.18M mortgage from Mers.
How many HPD violations does 21 JEFFERSON STREET have?
No open HPD housing-maintenance code violations are on record for 21 JEFFERSON STREET as of May 17, 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 JEFFERSON STREET?
NYC Department of Finance assesses 21 JEFFERSON STREET at $110K 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 JEFFERSON STREET and what does that mean?
21 JEFFERSON STREET is NYC building class B9 — Two-family misc. Miscellaneous two-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.