723 St Nicholas Avenue

723 St Nicholas Avenue in Hamilton Heights, Manhattan, has 87 open HPD violations, 22 of them class C, and 40 of 40 units are rent-stabilized, as of Oct 25, 2026. StreetSpy grade: F (32/100).

Multi-family elevator · 40 units · Built 1907

StreetSpy grade: F (Severe, 32/100)

• 22 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 12 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 46 housing complaints to 311 in the last 12 months.
• 40 of 40 units are rent-stabilized; 24 on the 2007 tax bill.

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

• Repairs: High (87 open, 22 class C), records as of Oct 25, 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 (1 open DOB violation), records as of Oct 23, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

87 open violations: 22 class C (immediately hazardous), 54 class B, 11 class A. 49 issued in the last 12 months. 884 on record. Oldest open violation issued 2017-04-21. Newest violation issued 2026-10-15.

5 closed in the last 90 days. Median 84 days from issue to close for the 31 violations closed in the last 12 months.

12 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: Broken window or sash, kitchen, 4th floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT LOWER WINDOW SASH AT THE FIRST WINDOW FROM NORTH AT EAST IN THE KITCHEN LOCATED AT APT 42, 4th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 42), issued 2026-09-30. HPD violation 19256067
• Class C: Roaches, throughout the apartment, 4th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 42, 4th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 42), issued 2026-09-30. HPD violation 19256068
• Class C: Plumbing defect, bathroom, 3rd floor. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE PORCELAIN ENAMEL BY METHOD REGLAZING AT BATHTUB IN THE BATHROOM LOCATED AT APT 31, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 31), issued 2026-08-25. HPD violation 19159480
• Class C: Leak or water damage, bathroom, 5th floor. REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS AT BATHTUB IN THE BATHROOM LOCATED AT APT 51, 5th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 51), issued 2026-08-10. HPD violation 19127381
• 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 52, 5th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 52), issued 2026-08-10. HPD violation 19126621
• Class C: Damaged plaster or paint, 1st window from the east, south wall, 4th room from the north, 5th floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GLASS PANE AT LOWER WINDOW SASH AT 1ST WINDOW FROM EAST AT SOUTH WALL IN THE 4th ROOM FROM NORTH AT WEST LOCATED AT APT 51, 5th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 51), issued 2026-08-10. HPD violation 19127379
• Class C: Damaged plaster or paint, 2nd window from the east, south wall, 4th room from the north, 5th floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GLASS PANE AT LOWER WINDOW SASH AT 2ND WINDOW FROM EAST AT SOUTH WALL IN THE 4th ROOM FROM NORTH AT EAST LOCATED AT APT 51, 5th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 51), issued 2026-08-10. HPD violation 19127382
• Class C: Roaches, throughout the apartment, 5th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 52, 5th STORY, 1st APARTMENT FROM NORTH AT EAST (apt 52), issued 2026-08-10. HPD violation 19126618

311 housing complaints

46 in the last 12 months, 148 in 5 years. Most common: Unsanitary Condition (12), Water Leak (10), Paint/Plaster (9), Plumbing (9), Door/Window (4).

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 4 infested, 3 treated, 0 re-infested
• 2021: No bedbug filing on record for this year

Buildings department (DOB)

1 open DOB violation. 3 DOB violations on record. Check on DOB BIS.

Evictions and housing court

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

Rent stabilization

40 of 40 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: 40 in 2024, 24 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: 723 ST NICHOLAS HOLDINGS, LLC. Head officer: MARK STERNHELL. Managing agent: 723 ST NICHOLAS HOLDINGS LLC. See the full portfolio.

Last HPD registration Sep 16, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 1020610029, HPD building ID 28187. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 145 St (B, D), 1 min walk
• 145 St (1), 7 min walk
• 155 St (C), 8 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.