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NYC Building Records · BBL 1018890011

317 WEST 100 STREET

Manhattan · Block 1889 · Lot 11 · Walk-up, four families (Class C5)

317 WEST 100 STREET is a Class C5 (walk-up, four families) building in Manhattan (BBL 1018890011) built in 1901, with 10 residential units across 5 floors.

The building is in NYC community district 107, council district 7, zoning district R8B, on a 1,917-square-foot lot with a building footprint of 6,570 square feet.

The current registered owner of record per NYC PLUTO is 315-317 GROUP LLC.

The most recent ACRIS deed transfer for this BBL was recorded on December 29, 2021 when Osso, Mario; Martire, Pietro conveyed the property to 315-317 Group 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

315-317 GROUP LLC
HPD-registered head officer: Michele Osso

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerMichele Osso
  • Corporate Owner315-317 GROUP LLC

Most recent deed

Last transferred on Dec 29, 2021 for $10 to 315-317 Group Llc.
Previous owner: Osso, Mario; Martire, Pietro
Cash sale: no recorded mortgage tied to this transfer.
🔒 See all transfers before the 2021 sale →

Recent ACRIS documents (last 5)

DateTypeAmountParties
Dec 29, 2021DEED$10Parties redacted — full names in MetroDeeds Scout+
Jan 23, 2019MTGE$34KParties redacted — full names in MetroDeeds Scout+
Jan 23, 2019AGMT$900KParties redacted — full names in MetroDeeds Scout+
Jan 30, 2007MTGE$484KParties redacted — full names in MetroDeeds Scout+
Jan 30, 2007AGMT$1.1MParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 5 redacted buyer/seller names above →

Building stats

Units
10
Year built
1901
Class
C5
Borough
Manhattan
Zoning:
R8B
Lot size:
1,917 sqft
Building area:
6,570 sqft
Floors:
5
Assessed value:
$1.4M
Community district:
107
Council district:
7

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 CInspected Mar 30, 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…
  • Class IInspected Nov 2, 2022
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class AInspected Apr 1, 2021
    (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 IInspected Oct 26, 2016
    §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE…
  • Class BInspected Jan 8, 1988
    SECTION 27-2005, 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS ENTRANCE 2 STY FRONT APT 2F REWRITTEN ITEM 56. , SECTION '' ''
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

5 documents in the last 5 years (most recent Dec 29, 2021).

Other buildings in this portfolio

315-317 Group Llc controls 2 NYC buildings. Top properties by HPD violation count:

Frequently asked questions about 317 WEST 100 STREET

Who owns 317 WEST 100 STREET?

The current registered owner of record for 317 WEST 100 STREET per NYC PLUTO is 315-317 GROUP LLC. The most recent ACRIS deed transfer for this BBL was recorded on December 29, 2021 when the property was conveyed to 315-317 Group 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 317 WEST 100 STREET last sold?

The most recent ACRIS deed transfer for 317 WEST 100 STREET was recorded on December 29, 2021, when Osso, Mario; Martire, Pietro conveyed the property to 315-317 Group Llc for $10. The transaction was recorded as cash (no paired mortgage instrument).

How many HPD violations does 317 WEST 100 STREET have?

No open HPD housing-maintenance code violations are on record for 317 WEST 100 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 317 WEST 100 STREET?

NYC Department of Finance assesses 317 WEST 100 STREET at $1.41M 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 317 WEST 100 STREET and what does that mean?

317 WEST 100 STREET is NYC building class C5 — Walk-up, four families. A 3-to-6-story walk-up apartment building with 4 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.

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