1270 1st Avenue, Manhattan

📍 Upper East Side, Manhattan Built 1910 29 units Class C7 Residential
Registered to MOSHE KATZENSTEIN LLC / Partnership HPD registration · updated monthly
CRITICAL RISK
16 Open Violations
5C 9B 2A
45 Complaints (12 mo) ↑ up vs prior year
2 Last 30 Days
Renting here? This building has 5 unresolved immediately-hazardous violations — ask the landlord what's being done about them before you sign.

311 Complaint Summary

2
Last 30 Days
7
Last 90 Days
45
Last 365 Days
⚠️ Complaints are up 700% compared to the previous 6 months.
🐀 7 pest infestation complaints filed with HPD since 2024
Complaint Types (Last 12 Months)
DOOR/WINDOW
10(23%)
UNSANITARY CONDITION
9(20%)
PAINT/PLASTER
9(20%)
WATER LEAK
7(16%)
FLOORING/STAIRS
5(11%)
PLUMBING
2(5%)
SAFETY
1(2%)
OUTSIDE BUILDING
1(2%)
📅 Monthly Activity Heatmap (Last 12 Months)
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul

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

DOHMH Rat Inspection History

10 Inspections on Record
Passed Most Recent Result
2019-11-06 Most Recent Date
2019-11-06 Initial Passed
2018-12-28 Initial Passed
2018-04-24 Initial Passed
2017-10-04 Initial Passed
2017-04-20 Initial Passed
2016-05-25 Initial Passed
2012-06-22 Initial Passed
2012-02-21 Initial Passed
2011-11-29 Initial Passed
2010-10-27 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
9 Class B
5 Class C
Driving this immediately hazardous rating
Class C Boiler room locked — no access to heating system 2025-04-12
Class C Active roach infestation 2025-04-12
See all 16 violations ▼
Class C § 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT BOILER ROOM
2025-04-12

Violation ID: #17822054

Current Status: Open

Date Issued: 2025-04-12T00:00:00.000

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

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
2025-04-12

Violation ID: #17822055

Current Status: Open

Date Issued: 2025-04-12T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
2025-04-06

Violation ID: #17810472

Current Status: Open

Date Issued: 2025-04-06T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
2025-03-21

Violation ID: #17774535

Current Status: Open

Date Issued: 2025-03-21T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM NORTH AT EAST
2025-02-26

Violation ID: #17725190

Current Status: Open

Date Issued: 2025-02-26T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM NORTH AT EAST

Class B § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ...AT CEILING IN THE KITCHEN LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
2026-03-21

Violation ID: #18728095

Current Status: Open

Date Issued: 2026-03-21T00:00:00.000

Description: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ...AT CEILING IN THE KITCHEN LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH

Class B § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE ...SPRING BALANCE AT UPPER AND LOWER SASHES AT SOUTH 2 WINDOW IN THE 1st ROOM FROM EAST LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
2026-03-21

Violation ID: #18728097

Current Status: Open

Date Issued: 2026-03-21T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE ...SPRING BALANCE AT UPPER AND LOWER SASHES AT SOUTH 2 WINDOW IN THE 1st ROOM FROM EAST LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH

Class B § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ...AT WEST AND EAST WALLS IN THE BATHROOM LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
2026-03-21

Violation ID: #18728098

Current Status: Open

Date Issued: 2026-03-21T00:00:00.000

Description: § 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ...AT WEST AND EAST WALLS IN THE BATHROOM LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH

Class B § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE ...SPRING BALANCE AT UPPER AND LOWER WINDOW SASHES IN THE KITCHEN LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
2026-03-21

Violation ID: #18728096

Current Status: Open

Date Issued: 2026-03-21T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE ...SPRING BALANCE AT UPPER AND LOWER WINDOW SASHES IN THE KITCHEN LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH

Class B § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT MATERIAL AT NORTH WALL AND CEILING AT 1ST STY INTERMEDIATE LANDING AT PUBLIC HALL, 1st STORY
2025-04-21

Violation ID: #17839342

Current Status: Open

Date Issued: 2025-04-21T00:00:00.000

Description: § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT MATERIAL AT NORTH WALL AND CEILING AT 1ST STY INTERMEDIATE LANDING AT PUBLIC HALL, 1st STORY

Class B § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
2025-04-06

Violation ID: #17810473

Current Status: Open

Date Issued: 2025-04-06T00:00:00.000

Description: § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH

Class B § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
2025-04-06

Violation ID: #17810474

Current Status: Open

Date Issued: 2025-04-06T00:00:00.000

Description: § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH

Class B § 27-2026 ADM CODE REPAIR THE BROKEN OR DEFECTIVE CONNECTION WASTE LINE AT SINK IN THE KITCHEN LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
2025-04-06

Violation ID: #17810475

Current Status: Open

Date Issued: 2025-04-06T00:00:00.000

Description: § 27-2026 ADM CODE REPAIR THE BROKEN OR DEFECTIVE CONNECTION WASTE LINE AT SINK IN THE KITCHEN LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH

Class B § 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE KITCHEN LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
2025-04-06

Violation ID: #17810476

Current Status: Open

Date Issued: 2025-04-06T00:00:00.000

Description: § 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE KITCHEN LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH

Class A § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... ...LESS THAN 10 SQ.F AT CEILING AND WEST WALL IN THE KITCHEN LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
2026-03-21

Violation ID: #18728094

Current Status: Open

Date Issued: 2026-03-21T00:00:00.000

Description: § 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... ...LESS THAN 10 SQ.F AT CEILING AND WEST WALL IN THE KITCHEN LOCATED AT APT 6C, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH

Class A § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE NORTH WALL AND CEILING AT 1ST STY INTERMEDIATE LANDING AT PUBLIC HALL, 1st STORY
2025-04-21

Violation ID: #17839343

Current Status: Open

Date Issued: 2025-04-21T00:00:00.000

Description: § 27-2013 ADM CODE PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT THE NORTH WALL AND CEILING AT 1ST STY INTERMEDIATE LANDING AT PUBLIC HALL, 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 5 Class C (immediately hazardous) violations currently open — the most serious HPD category. With 45 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 9, 2026. Always verify independently with HPD before signing a lease.

Data last updated: July 9, 2026 · Source: NYC Open Data

⚠️ Serious Concerns Found

This building has 45 complaints and 5 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 9, 2026.