609 West 186th Street

609 West 186th Street in Washington Heights, Manhattan, has 56 open HPD violations, 12 of them class C, and 14 of 26 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: F (47/100).

Multi-family walk-up · 26 units · Built 1915

StreetSpy grade: F (Severe, 47/100)

• 12 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 6 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• The head officer on this registration is named on 2 buildings' registrations; 2 graded D or F.
• 14 of 26 units are rent-stabilized; 22 on the 2007 tax bill.

More open violations per unit than 8 in 10 Manhattan buildings this size.

• Repairs: High (56 open, 12 class C), records as of Oct 26, 2026
• Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 27, 2026
• Safety: Clear (No open DOB violations), records as of Oct 26, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

56 open violations: 12 class C (immediately hazardous), 32 class B, 12 class A. 4 issued in the last 12 months. 86 on record. Oldest open violation issued 2005-06-30. Newest violation issued 2026-09-10.

0 closed in the last 90 days. Median 120 days from issue to close for the 1 violations closed in the last 12 months.

6 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.

• Class C: Damaged plaster or paint, 4th room from the north, 5th floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING AND SOUTH WALL IN THE 4th ROOM FROM NORTH AT WEST LOCATED AT APT 55, 5th STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 55), issued 2025-10-06. HPD violation 18270547
• Class C: Mice, throughout the apartment, 5th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 55, 5th STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 55), issued 2025-10-03. HPD violation 18270552
• Class C: Self-closing door not working, 5th floor. , 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 MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT 55, 5th STORY, 2nd APARTMENT FROM EAST AT SOUTH (apt 55), issued 2025-10-03. HPD violation 18270553
• Class C: Lead paint hazard, east wall, 2nd room from the north, 2nd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) 1st DOOR FRAME FROM NORTH AT EAST WALL IN THE 2nd ROOM FROM NORTH AT EAST LOCATED AT APT 21, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 21), issued 2023-11-20. HPD violation 16419099
• Class C: Lead paint hazard, east wall, bathroom, 2nd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) 1st DOOR FRAME FROM NORTH AT EAST WALL IN THE BATHROOM LOCATED AT APT 21, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 21), issued 2023-11-20. HPD violation 16419098
• Class C: Mice, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 21, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 21), issued 2023-11-20. HPD violation 16395556
• Class C: Lead paint hazard, 2nd floor. , 27-2056.8, 27-2056.9 ADM CODE -CERTIFY COMPLIANCE WITH LEAD-BASED PAINT HAZARD CONTROL REQUIREMENTS DURING PERIOD OF UNIT VACANCY BY PERFORMING ACTIVITIES NECESSARY TO ABATE TESTED LEAD-BASED PAINT FROM REQUIRED WINDOW AND/OR DOOR FRICTION SURFACES FOR APARTMENT AND MAKE FLOORS SMOOTH AND CLEANABLE, POSITIVE LEAD-BASED PAINT IN AN APARTMENT WITH A CHILD UNDER SIX LOCATED AT APT 21, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 21), issued 2023-11-20. HPD violation 16419143
• Class C: Missing window guards, throughout the apartment, 2nd floor. HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 1, WG TO REPLACE = 0, WG TO REPAIR = 0 IN THE ENTIRE APARTMENT LOCATED AT APT 21, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 21), issued 2023-07-03. HPD violation 16074175

311 housing complaints

5 in the last 12 months, 34 in 5 years. Most common: Door/Window (2), Paint/Plaster (1), Unsanitary Condition (1), Water Leak (1).

Bedbugs

The owner reported 0 infested units in the last 3 years of filings. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.

• 2026: No bedbug filing on record for this year
• 2025: Owner reported 0 infested units
• 2024: Owner reported 0 infested units
• 2023: Owner reported 0 infested units
• 2022: Owner reported 2 infested, 2 treated, 0 re-infested
• 2021: Owner reported 0 infested units

Buildings department (DOB)

No open DOB violations. 4 DOB violations on record. Check on DOB BIS.

Evictions and housing court

0 executed evictions in the last 3 years (0 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

14 of 26 units rent-stabilized as of 2024. Stabilized renewals: 0% for one year and 0% for two years under RGB Order #58 (Oct 1, 2026 to Sep 30, 2027).

Rent-stabilized units on city tax bills: 14 in 2024, 22 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: W186 LLC. Head officer: KENNETH DIAMONDSTONE. Managing agent: JALEN MANAGEMENT COMPANY. This owner has 2 buildings on record, 2 graded D or F. See the full portfolio.

Last HPD registration Sep 25, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 1021660083, HPD building ID 43541. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 191 St (1), 4 min walk
• 181 St (1), 5 min walk
• 181 St (A), 7 min walk

How the grade is calculated

Sources: NYC HPD Housing Maintenance Code Violations, NYC 311 Service Requests, NYC HPD Bedbug Reporting, NYC Marshal Evictions (DOI), NYC HPD Housing Litigations, NYC DOB Violations, NYC DOF tax bills (via JustFix Who Owns What portfolio API, v2), NYC HPD Property Registration. Methodology. Report generated 2026-10-28.