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NYC Building Records · BBL 1019470154

344 WEST 121 STREET

Manhattan · Block 1947 · Lot 154 · Two-family converted (Class B3)

344 WEST 121 STREET is a Class B3 (two-family converted) building in Manhattan (BBL 1019470154) built in 1899, with 2 residential units across 3 floors.

The building is in NYC community district 110, council district 9, zoning district R7B, on a 1,514-square-foot lot with a building footprint of 3,600 square feet.

The current registered owner of record per NYC PLUTO is 344 HARLEM BORN LLC.

The most recent ACRIS deed transfer for this BBL was recorded on April 29, 2025 when 344 HARLEM BORN LLC conveyed the property to NEXTREO LLC for $10. 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

344 HARLEM BORN LLC
HPD-registered head officer: Kirk Ayzenberg

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerKirk Ayzenberg
  • Corporate OwnerNextreo, LLC
  • Managing AgentHarlem Property Re+Development Inc.
  • Site ManagerBestar Mujaj

Most recent deed

Last transferred on Apr 29, 2025 for $10 to NEXTREO LLC.
Previous owner: 344 HARLEM BORN LLC
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2025 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Apr 29, 2025DEED$10Parties redacted — full names in MetroDeeds Scout+
Sep 19, 2023MTGE$212KParties redacted — full names in MetroDeeds Scout+
Sep 19, 2023AGMT$812KParties redacted — full names in MetroDeeds Scout+
Jul 19, 2021DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
May 28, 2019MTGE$175KParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
2
Year built
1899
Class
B3
Borough
Manhattan
Zoning:
R7B
Lot size:
1,514 sqft
Building area:
3,600 sqft
Floors:
3
Assessed value:
$167K
Community district:
110
Council district:
9

HPD violations

0 open
Most severe class on record: Class C (immediately hazardous)
No open violations on record. Source: NYC HPD.
🔒 See every closed violation + inspection history →

Recent HPD violation details

Most recent 5 violations issued by NYC HPD at this address:
  • Class AInspected Apr 29, 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 BInspected Apr 24, 2026
    § 27-2050 ADM CODE PROVIDE A PIECE OF GARDEN HOSE 10 FEET IN LENGTH WITH FEMALE COUPLING AND A 10 QUART PAIL ON PREMISES TO TEST SPRINKLER S…
  • Class CInspected Apr 24, 2026
    § 27-2005 HMC: IMMEDIATELY PROVIDE A FIRE GUARD AS DIRECTED BY THE NYC DEPT. OF HOUSING PRESERVATION & DEVELOPMENT (HPD) AND/OR THE NYC DEPT…
  • Class CInspected Apr 24, 2026
    § 27-2024 ADM CODE PROVIDE ADEQUATE SUPPLY OF COLD WATER FOR THE FIXTURES WATERCLOSET, AT WASHBASIN AND BATHTUB AT COMMUNITY BATHROOM, 2nd S…
  • Class CInspected Apr 24, 2026
    § 27-2024 ADM CODE PROVIDE ADEQUATE SUPPLY OF HOT WATER FOR THE FIXTURES AT WASHBASIN AND BATHTUB AT COMMUNITY BATHROOM, 2nd STORY
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent Apr 29, 2025).

Frequently asked questions about 344 WEST 121 STREET

Who owns 344 WEST 121 STREET?

The current registered owner of record for 344 WEST 121 STREET per NYC PLUTO is 344 HARLEM BORN LLC. The most recent ACRIS deed transfer for this BBL was recorded on April 29, 2025 when the property was conveyed to NEXTREO 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 344 WEST 121 STREET last sold?

The most recent ACRIS deed transfer for 344 WEST 121 STREET was recorded on April 29, 2025, when 344 HARLEM BORN LLC conveyed the property to NEXTREO LLC for $10. The transaction was recorded as cash (no paired mortgage instrument).

How many HPD violations does 344 WEST 121 STREET have?

No open HPD housing-maintenance code violations are on record for 344 WEST 121 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 344 WEST 121 STREET?

NYC Department of Finance assesses 344 WEST 121 STREET at $167K 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 344 WEST 121 STREET and what does that mean?

344 WEST 121 STREET is NYC building class B3 — Two-family converted. A two-family dwelling that was converted from a one-family. 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.

More from MetroDeeds

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