223 21 STREET
223 21 STREET is a Class C3 (walk-up, pre-1929) building in Brooklyn (BBL 3006400046) built in 1910, with 4 residential units across 3 floors.
The building is in NYC community district 307, council district 38, zoning district R6B, on a 2,504-square-foot lot with a building footprint of 2,336 square feet.
The current registered owner of record per NYC PLUTO is MAS PROPERTIES I LLC.
MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
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 OfficerABRAHAM SANDBERG
- Corporate OwnerMAS PROPERTIES I, LLC
- Managing AgentAMS MANAGAMENT I, LLC
- Site ManagerJEFF SOMERS
Most recent deed
Recent ACRIS documents (last 3)
Building stats
- Zoning:
- R6B
- Lot size:
- 2,504 sqft
- Building area:
- 2,336 sqft
- Floors:
- 3
- Assessed value:
- $322K
- Community district:
- 307
- Council district:
- 38
HPD violations
Recent HPD violation details
- Class AInspected Feb 22, 2022(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 AInspected Jul 8, 2015§ 27-2045 ADM CODE POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAIL BOX ...…
- Class AInspected Jul 8, 2015§ 27-2046.1 HMC: POST A PROPER NOTICE OF CARBON MONOXIDE DETECTING DEVICE REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, IN A COMMON…
- Class AInspected Jul 8, 2015§ 27-2104 ADM CODE POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND…
- Class BInspected Jul 8, 2015§ 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES FLOWER POTS AND HOUSEH…
Recent ACRIS activity
Frequently asked questions about 223 21 STREET
Who owns 223 21 STREET?
The current registered owner of record for 223 21 STREET per NYC PLUTO is MAS PROPERTIES I LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 223 21 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 223 21 STREET in the last 5 years of recorded NYC public-records data. NYC ACRIS coverage extends back to 1966; an absence in our 5-year window typically means either the BBL has not transacted recently, or the most recent recorded document is not a DEED type (such as a refinance rather than a sale).
How many HPD violations does 223 21 STREET have?
No open HPD housing-maintenance code violations are on record for 223 21 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 223 21 STREET?
NYC Department of Finance assesses 223 21 STREET at $322K 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 223 21 STREET and what does that mean?
223 21 STREET is NYC building class C3 — Walk-up, pre-1929. A walk-up apartment building constructed before 1929, typically 3-6 stories and often rent-stabilized. 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.