669 EAST 21 STREET
669 EAST 21 STREET is a Class C1 (walk-up, over six families) building in Brooklyn (BBL 3052210081) built in 2005, with 8 residential units across 4 floors.
The building is in NYC community district 314, council district 45, zoning district R7A, on a 2,900-square-foot lot with a building footprint of 8,240 square feet.
The current registered owner of record per NYC PLUTO is SGH OLD HOUSE 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 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 OfficerALEXANDER HORN
- Corporate Owner669 EAST 21 STREET LLC
- Managing AgentCobble Hill Management
- Site ManagerSunilda Santos
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R7A
- Lot size:
- 2,900 sqft
- Building area:
- 8,240 sqft
- Floors:
- 4
- Assessed value:
- $1.2M
- Community district:
- 314
- Council district:
- 45
HPD violations
Recent HPD violation details
- Class AInspected May 8, 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 Mar 14, 2026§ 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST…
- Class CInspected Mar 5, 2026§ 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM EAST…
- Class CInspected Mar 5, 2026§ 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM LOCKED DOOR AT CELLAR AT BOILER ROOM
- Class CInspected Feb 13, 2026§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS…
Recent ACRIS activity
Frequently asked questions about 669 EAST 21 STREET
Who owns 669 EAST 21 STREET?
The current registered owner of record for 669 EAST 21 STREET per NYC PLUTO is SGH OLD HOUSE LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.
When was 669 EAST 21 STREET last sold?
MetroDeeds shows no confirmed ACRIS deed transfer for 669 EAST 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 669 EAST 21 STREET have?
No open HPD housing-maintenance code violations are on record for 669 EAST 21 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 669 EAST 21 STREET?
NYC Department of Finance assesses 669 EAST 21 STREET at $1.20M 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 669 EAST 21 STREET and what does that mean?
669 EAST 21 STREET is NYC building class C1 — Walk-up, over six families. A 3-to-6-story walk-up apartment building with more than 6 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.