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NYC Building Records · BBL 1007450028

311 WEST 21 STREET

Manhattan · Block 745 · Lot 28 · Walk-up, three families (Class C4)

311 WEST 21 STREET is a Class C4 (walk-up, three families) building in Manhattan (BBL 1007450028) built in 1900, with 15 residential units across 5 floors.

The building is in NYC community district 104, council district 3, zoning district R7B, on a 2,469-square-foot lot with a building footprint of 9,690 square feet.

The current registered owner of record per NYC PLUTO is 311 W 21 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

311 W 21 LLC
HPD-registered head officer: MICHAEL BESEN

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerMICHAEL BESEN
  • Corporate Owner311 WEST 21 LLC
  • Managing AgentNEW YORK CITY MANAGEMENT
  • Site ManagerJOHN CATALIC

Most recent deed

Last transferred on Aug 30, 2016 to 311 W 21 Llc.
Previous owner: Mbk Group, Llc
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2016 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Oct 27, 2022AGMT$21.0MParties redacted — full names in MetroDeeds Scout+
Oct 27, 2022MTGE$5.5MParties redacted — full names in MetroDeeds Scout+
Oct 27, 2022MTGE$5.3MParties redacted — full names in MetroDeeds Scout+
Oct 27, 2022AGMT$5.3MParties redacted — full names in MetroDeeds Scout+
Aug 30, 2016DEEDNot disclosedParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
15
Year built
1900
Class
C4
Borough
Manhattan
Zoning:
R7B
Lot size:
2,469 sqft
Building area:
9,690 sqft
Floors:
5
Assessed value:
$1.3M
Community district:
104
Council district:
3

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 22, 2026
    §27-2104(B) HMC POST A PROPER NOTICE REGARDING RENT STABILIZATION LAW, IN A FORM APPROVED BY THE COMMISSIONER, IN A CONSPICUOUS LOCATION WIT…
  • Class CInspected Dec 27, 2022
    HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 4R, 4th STORY, 1st APARTMENT FR…
  • Class BInspected Dec 27, 2022
    § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE ELECTRICAL OUTLET AT NORTH WALL IN THE 2nd ROOM FROM NORTH AT WEST LOCATED AT APT…
  • Class CInspected Dec 27, 2022
    § 27-2005, 27-2007, 27-2041.1 HMC: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE DOOR LEADING TO BASEMENT AT PUBLIC…
  • Class AInspected Dec 27, 2022
    § 27-2005 ADM CODE REFIT LOWER AND UPPER SASH WINDOW IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 4R, 4th STORY, 1st APARTMENT FROM WES…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent Oct 27, 2022).

Other buildings in this portfolio

311 W 21 Llc controls 2 NYC buildings. Top properties by HPD violation count:

Frequently asked questions about 311 WEST 21 STREET

Who owns 311 WEST 21 STREET?

The current registered owner of record for 311 WEST 21 STREET per NYC PLUTO is 311 W 21 LLC. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 311 WEST 21 STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 311 WEST 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 311 WEST 21 STREET have?

No open HPD housing-maintenance code violations are on record for 311 WEST 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 311 WEST 21 STREET?

NYC Department of Finance assesses 311 WEST 21 STREET at $1.25M 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 311 WEST 21 STREET and what does that mean?

311 WEST 21 STREET is NYC building class C4 — Walk-up, three families. A 3-to-6-story walk-up apartment building with 3 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.

More from MetroDeeds

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