305 EAST 21 STREET
305 EAST 21 STREET is a Class C1 (walk-up, over six families) building in Manhattan (BBL 1009270006) built in 1910, with 37 residential units across 6 floors.
The building is in NYC community district 106, council district 2, zoning district R8B, on a 5,000-square-foot lot with a building footprint of 21,356 square feet.
The current registered owner of record per NYC PLUTO is 517 WEST 180TH ST LLC.
The most recent ACRIS deed transfer for this BBL was recorded on June 27, 2023 when 305 OHARA LLC; HALPERT AS TRUSTEE, EDITH; ENGEL AS TRUSTEE, CHANIE; CHAIM HALPERT AS TRUSTEE, SAMMY; EDITH HALPERT IRREVOCABLE TRUST; HALPERT AS TRUSTEE, EDITH; ENGEL AS TRUSTEE, CHANIE; CHAIM HALPERT AS TRUSTEE, SAMMY; EUGENE HALPERT QTIP TRUST; HALPERT AS TRUSTEE, EDITH; ENGEL AS TRUSTEE, CHANIE; CHAIM HALPER AS TRUSTEE, SAMMY; EUGENE HALPER TESTAMENTARY CREDIT SHELTER TRUST conveyed the property to 517 WEST 180TH ST LLC; 305 EAST 21ST OWNER LLC for $8.00M. The transaction was financed with a $5.00M mortgage from First Republic Bank.
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 OfficerRUSSELL FRIDMAN
- Corporate Owner517 WEST 180TH ST LLC AND 305 EAST 21 ST OWNER LLC
- Managing Agent517 WEST 180TH ST LLC
- Site ManagerWillian Cuzco
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R8B
- Lot size:
- 5,000 sqft
- Building area:
- 21,356 sqft
- Floors:
- 6
- Assessed value:
- $1.9M
- Community district:
- 106
- Council district:
- 2
HPD violations
Recent HPD violation details
- Class BInspected Aug 29, 2024§ 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF AN UNCAPPED RADIATOR VALVE AT EAST WALL AT PUBLIC HALL, 1st STORY
- Class AInspected Apr 1, 2024(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 Sep 6, 2023§ 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF AIR CONDITIONER AT EGRESS WINDOW IN THE 19th ROOM FROM NORTH LOCATED AT AP…
- Class CInspected Sep 6, 2023§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR 5 SQ FT AT CEILING IN THE 19th ROOM FROM N…
- Class CInspected Sep 6, 2023§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK ABOVE CEILING IN THE 19th ROOM FROM NORTH LOCATED AT…
Recent ACRIS activity
Frequently asked questions about 305 EAST 21 STREET
Who owns 305 EAST 21 STREET?
The current registered owner of record for 305 EAST 21 STREET per NYC PLUTO is 517 WEST 180TH ST LLC. The most recent ACRIS deed transfer for this BBL was recorded on June 27, 2023 when the property was conveyed to 517 WEST 180TH ST LLC; 305 EAST 21ST OWNER LLC. 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 305 EAST 21 STREET last sold?
The most recent ACRIS deed transfer for 305 EAST 21 STREET was recorded on June 27, 2023, when 305 OHARA LLC; HALPERT AS TRUSTEE, EDITH; ENGEL AS TRUSTEE, CHANIE; CHAIM HALPERT AS TRUSTEE, SAMMY; EDITH HALPERT IRREVOCABLE TRUST; HALPERT AS TRUSTEE, EDITH; ENGEL AS TRUSTEE, CHANIE; CHAIM HALPERT AS TRUSTEE, SAMMY; EUGENE HALPERT QTIP TRUST; HALPERT AS TRUSTEE, EDITH; ENGEL AS TRUSTEE, CHANIE; CHAIM HALPER AS TRUSTEE, SAMMY; EUGENE HALPER TESTAMENTARY CREDIT SHELTER TRUST conveyed the property to 517 WEST 180TH ST LLC; 305 EAST 21ST OWNER LLC for $8.00M. The transaction was financed with a $5.00M mortgage from First Republic Bank.
How many HPD violations does 305 EAST 21 STREET have?
No open HPD housing-maintenance code violations are on record for 305 EAST 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 305 EAST 21 STREET?
NYC Department of Finance assesses 305 EAST 21 STREET at $1.90M 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 305 EAST 21 STREET and what does that mean?
305 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.