Free account includes 3 full due diligence reports — no credit card requiredSign Up Free →
← Address Lookup
NYC Building Records · BBL 1021660083

609 WEST 186 STREET

Manhattan · Block 2166 · Lot 83 · Walk-up, over six families (Class C1)

609 WEST 186 STREET is a Class C1 (walk-up, over six families) building in Manhattan (BBL 1021660083) built in 1915, with 26 residential units across 5 floors.

The building is in NYC community district 112, council district 10, zoning district R7-2, on a 5,742-square-foot lot with a building footprint of 19,090 square feet.

The current registered owner of record per NYC PLUTO is W. 186,.

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

W. 186,
HPD-registered head officer: KENNETH DIAMONDSTONE

HPD registered contacts

People legally accountable to HPD for conditions at this building, in registration-priority order:
  • Head OfficerKENNETH DIAMONDSTONE
  • Corporate OwnerW186 LLC
  • Managing AgentJALEN MANAGEMENT COMPANY
  • Site ManagerAUGUSTINE FORTUNE

Most recent deed

Most recent ACRIS document: MTGE recorded Nov 10, 2015.
🔒 See the full deed history for this building →

Recent ACRIS documents (last 4)

DateTypeAmountParties
Nov 10, 2015MTGE$649KParties redacted — full names in MetroDeeds Scout+
Nov 10, 2015AGMT$2.0MParties redacted — full names in MetroDeeds Scout+
Jan 4, 2013AGMT$1.4MParties redacted — full names in MetroDeeds Scout+
Jan 4, 2013MTGE$574KParties redacted — full names in MetroDeeds Scout+
🔒 Reveal the 4 redacted buyer/seller names above →

Building stats

Units
26
Year built
1915
Class
C1
Borough
Manhattan
Zoning:
R7-2
Lot size:
5,742 sqft
Building area:
19,090 sqft
Floors:
5
Assessed value:
$490K
Community district:
112
Council district:
10

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 Oct 2, 2025
    § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING AND SOUTH WALL IN THE 4th ROOM FRO…
  • Class BInspected Oct 2, 2025
    § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQFT AT CEILING IN THE 3rd ROOM FROM NORTH…
  • Class BInspected Oct 2, 2025
    § 27-2005 ADM CODE REPAIR THE ROOF SO THAT IT WILL NOT LEAK AT CEILING IN THE PRIVATE HALLWAY LOCATED AT APT 55, 5th STORY, 2nd APARTMENT FR…
  • Class AInspected Oct 2, 2025
    § 27-2005 ADM CODE PAINT METAL IN ACCORDANCE WITH DEPT. REGULATION THE DOOR IN THE ENTRANCE LOCATED AT APT 55, 5th STORY, 2nd APARTMENT FROM…
  • Class CInspected Oct 2, 2025
    § 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…
🔒 See closure dates + classification on archived violations →

Recent ACRIS activity

4 documents in the last 5 years (most recent Nov 10, 2015).

Frequently asked questions about 609 WEST 186 STREET

Who owns 609 WEST 186 STREET?

The current registered owner of record for 609 WEST 186 STREET per NYC PLUTO is W. 186,. MetroDeeds shows no confirmed ACRIS deed transfer for this BBL in the last 5 years of recorded NYC public-records data.

When was 609 WEST 186 STREET last sold?

MetroDeeds shows no confirmed ACRIS deed transfer for 609 WEST 186 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 609 WEST 186 STREET have?

No open HPD housing-maintenance code violations are on record for 609 WEST 186 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 609 WEST 186 STREET?

NYC Department of Finance assesses 609 WEST 186 STREET at $490K 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 609 WEST 186 STREET and what does that mean?

609 WEST 186 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.

More from MetroDeeds

Go deeper on this building

Open full Landlord Intel for 609 WEST 186 STREET
Every deed, every violation, court cases, mortgages, and operator portfolio — in one panel.
Get the full deed history for 609 WEST 186 STREET
3 free reports lifetime with a MetroDeeds account. No credit card required.
Sign Up Free