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505 Columbus Ave

📍 Upper West Side, Manhattan Built 1888 26 units Class C7 Residential
Registered to MARTIN SCHARF LLC HPD registration · updated monthly
CRITICAL RISK
15 Open Violations
6C 7B 2A
19 Complaints (12 mo) ↑ up vs prior year
6 Last 30 Days
Renting here? This building has 6 unresolved immediately-hazardous violations — ask the landlord what's being done about them before you sign.

311 Complaint Summary

6
Last 30 Days
6
Last 90 Days
19
Last 365 Days
⚠️ Complaints are up 117% compared to the previous 6 months.
🐀 3 pest infestation complaints filed with HPD since 2024
Complaint Types (Last 12 Months)
HEAT/HOT WATER
15(79%)
UNSANITARY CONDITION
4(21%)
📅 Monthly Activity Heatmap (Last 12 Months)
Aug
Sep
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Jan
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Jul

Source: NYC 311 / HPD · Synced daily · Covers HPD-managed residential buildings · Records from Jan 2024 onward

DOHMH Rat Inspection History

19 Inspections on Record
Passed Most Recent Result
2025-09-23 Most Recent Date
2025-09-23 Initial Passed
2024-09-10 Initial Passed
2023-08-04 Initial Passed
2022-05-26 Compliance Failed for Rat Activity and Other Reason
2022-04-22 Initial Failed for Rat Activity
2019-05-28 Initial Passed
2019-01-02 Initial Passed
2018-09-18 Initial Passed
2017-10-26 Initial Passed
2017-03-02 Initial Passed
2016-08-30 Compliance Failed for Rat Activity and Other Reason
2016-08-17 Initial Failed for Other Reason
2016-04-13 Initial Passed
2015-05-11 Initial Passed
2014-06-09 Initial Passed
2013-05-03 Initial Passed
2012-03-20 Initial Passed
2011-10-18 Initial Passed
2010-09-20 Initial Passed

Source: NYC DOHMH Rodent Inspections · Synced daily (30-day lookback) · Inspections may cover the building's block, not the exact address · DOHMH data publishes with ~10-day lag

HPD Housing Violations

2 Class A
7 Class B
6 Class C
Driving this immediately hazardous rating
Class C Building door missing or defective self-close mechanism 2026-06-29
Class C Building door missing or defective self-close mechanism 2026-06-29
See all 15 violations ▼
Class C § 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 MISSING OR DEFECTIVE LATCH SET AT FIRE DOOR TO PUBLIC HALL STAIR AT WEST AT PUBLIC HALL, 1st STORY
2026-06-29 ▼

Violation ID: #19039384

Current Status: Open

Date Issued: 2026-06-29T00:00:00.000

Description: § 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 MISSING OR DEFECTIVE LATCH SET AT FIRE DOOR TO PUBLIC HALL STAIR AT WEST AT PUBLIC HALL, 1st STORY

Class C § 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 MISSING OR DEFECTIVE HINGES AT FIRE DOOR TO PUBLIC HALL STAIR AT PUBLIC HALL, 2nd STORY
2026-06-29 ▼

Violation ID: #19039386

Current Status: Open

Date Issued: 2026-06-29T00:00:00.000

Description: § 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 MISSING OR DEFECTIVE HINGES AT FIRE DOOR TO PUBLIC HALL STAIR AT PUBLIC HALL, 2nd STORY

Class C § 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 MISSING OR DEFECTIVE LATCH SET AT THE FIRE DOOR AT PUBLIC HALL, 2nd STORY
2026-06-26 ▼

Violation ID: #19035578

Current Status: Open

Date Issued: 2026-06-26T00:00:00.000

Description: § 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 MISSING OR DEFECTIVE LATCH SET AT THE FIRE DOOR AT PUBLIC HALL, 2nd STORY

Class C § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT BOILER ROOM
2025-01-25 ▼

Violation ID: #17650317

Current Status: Open

Date Issued: 2025-01-25T00:00:00.000

Description: § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT BOILER ROOM

Class C § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 2E, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-01-25 ▼

Violation ID: #17650316

Current Status: Open

Date Issued: 2025-01-25T00:00:00.000

Description: § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 2E, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST

Class C § 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 MISSING OR DEFECTIVE HINGES ATAPARTMENT ENTRANCE DOOR LOCATED AT APT 5D, 5th STORY, 2nd APARTMENT FROM WEST AT NORTH
2024-04-22 ▼

Violation ID: #16937795

Current Status: Open

Date Issued: 2024-04-22T00:00:00.000

Description: § 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 MISSING OR DEFECTIVE HINGES ATAPARTMENT ENTRANCE DOOR LOCATED AT APT 5D, 5th STORY, 2nd APARTMENT FROM WEST AT NORTH

Class B § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LATCH SET AT FIRE DOOR TO PUBLIC HALL STAIR AT PUBLIC HALL, 1st STORY
2026-06-29 ▼

Violation ID: #19039385

Current Status: Open

Date Issued: 2026-06-29T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LATCH SET AT FIRE DOOR TO PUBLIC HALL STAIR AT PUBLIC HALL, 1st STORY

Class B § 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES HOUSEHOLD STORAGE AT BALCONY AT 3RD STORY AT FRONT AT FIRE ESCAPE
2026-06-27 ▼

Violation ID: #19037138

Current Status: Open

Date Issued: 2026-06-27T00:00:00.000

Description: § 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES HOUSEHOLD STORAGE AT BALCONY AT 3RD STORY AT FRONT AT FIRE ESCAPE

Class B § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOODEN FLOOR IN THE PRIVATE HALLWAY LOCATED AT APT 2E, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTH
2026-06-26 ▼

Violation ID: #19035577

Current Status: Open

Date Issued: 2026-06-26T00:00:00.000

Description: § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOODEN FLOOR IN THE PRIVATE HALLWAY LOCATED AT APT 2E, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTH

Class B § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LATCHSET AT DOOR LEADING TO STAIRCASE AT PUBLIC HALL STAIRS, 1st STORY
2025-01-20 ▼

Violation ID: #17635848

Current Status: Open

Date Issued: 2025-01-20T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LATCHSET AT DOOR LEADING TO STAIRCASE AT PUBLIC HALL STAIRS, 1st STORY

Class B § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT MATERIAL AT NORTH AND EAST WALLS AT PUBLIC HALL STAIRS, 5th STORY
2025-01-20 ▼

Violation ID: #17635849

Current Status: Open

Date Issued: 2025-01-20T00:00:00.000

Description: § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT MATERIAL AT NORTH AND EAST WALLS AT PUBLIC HALL STAIRS, 5th STORY

Class B § 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES CONSISTING OF HOUSEHOLD ITEMS AT 2ND STORY BALCONY AT BUILDING FRONT FIRE ESCAPE
2025-01-20 ▼

Violation ID: #17635851

Current Status: Open

Date Issued: 2025-01-20T00:00:00.000

Description: § 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES CONSISTING OF HOUSEHOLD ITEMS AT 2ND STORY BALCONY AT BUILDING FRONT FIRE ESCAPE

Class B § 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES CONSISTING OF HOUSEHOLD ITEMS AT 3RD STORY BALCONY AT BUILDING FRONT FIRE ESCAPE
2025-01-20 ▼

Violation ID: #17635852

Current Status: Open

Date Issued: 2025-01-20T00:00:00.000

Description: § 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES CONSISTING OF HOUSEHOLD ITEMS AT 3RD STORY BALCONY AT BUILDING FRONT FIRE ESCAPE

Class A § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT AT NORTH AND EAST WALLS AT PUBLIC HALL STAIRS, 5th STORY
2025-01-20 ▼

Violation ID: #17635850

Current Status: Open

Date Issued: 2025-01-20T00:00:00.000

Description: § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT AT NORTH AND EAST WALLS AT PUBLIC HALL STAIRS, 5th STORY

Class A § 27-2005 HMC: REFIT FIRE DOOR AT PUBLIC HALL STAIRS, 1st STORY
2024-12-08 ▼

Violation ID: #17554492

Current Status: Open

Date Issued: 2024-12-08T00:00:00.000

Description: § 27-2005 HMC: REFIT FIRE DOOR AT PUBLIC HALL STAIRS, 1st STORY

⚠️ What does Class C mean?

Class C violations are classified as immediately hazardous by the HPD (e.g. lack of heat or hot water, active mold, severe rodent infestations, lead-based paint, or carbon monoxide detector issues). Landlords are legally required to resolve these immediately.

Source: NYC HPD Housing Violations · Synced daily · Open violations only — closed violations excluded · Class I (administrative/registration notices) excluded from counts

What This Means If You're Considering Renting Here

This building has 6 Class C (immediately hazardous) violations currently open — the most serious HPD category. With 19 complaints filed in the last 12 months, prospective renters should exercise significant caution, request a full HPD inspection history, and consult a tenant rights organization before signing any lease.

Data current as of July 10, 2026. Always verify independently with HPD before signing a lease.

Data Disclaimer: All compliance data on this page is synced directly from municipal reports published via NYC Open Data. Complaint counts and HPD housing violations are updated daily. Building characteristics (built year, unit count, and building class) are derived from the NYC Department of City Planning's PLUTO database.

Data last updated: July 10, 2026 · Source: NYC Open Data

⚠️ Serious Concerns Found

This building has 19 complaints and 6 Class C (immediately hazardous) violations on record in the last 12 months. Review the full violation list carefully before signing any lease.

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About This Data

Complaint data is sourced from the NYC 311 Service Requests dataset (NYC Open Data). Violation data is from the HPD Housing Maintenance Code Violations dataset. Building info is based on NYC PLUTO by NYC Department of City Planning.

All records are public-domain municipal data provided as-is. Updated daily. Last verified: July 10, 2026.