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452 West 23rd Street, Manhattan

📍 Chelsea, Manhattan Built 1856 9 units Class C6 Residential
Registered to KATHERINE BALDWIN CO-OP HPD registration · updated monthly
CRITICAL RISK
21 Open Violations
4C 13B 4A
176 Complaints (12 mo) ↓ down vs prior year
14 Last 30 Days
Renting here? This building has 4 unresolved immediately-hazardous violations — ask the landlord what's being done about them before you sign.

311 Complaint Summary

14
Last 30 Days
37
Last 90 Days
176
Last 365 Days
✅ Complaints are down 47% compared to the previous 6 months.
🐀 10 pest infestation complaints filed with HPD since 2024
Complaint Types (Last 12 Months)
DOOR/WINDOW
55(32%)
SAFETY
43(25%)
GENERAL
36(21%)
UNSANITARY CONDITION
18(10%)
ELECTRIC
8(5%)
PAINT/PLASTER
6(3%)
HEAT/HOT WATER
6(3%)
PLUMBING
2(1%)
📅 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

22 Inspections on Record
Passed Most Recent Result
2026-05-08 Most Recent Date
2026-05-08 Initial Passed
2026-03-09 Compliance Passed
2026-02-12 Initial Failed for Rat Activity and Other Reason
2025-09-18 Compliance Failed for Other Reason
2025-07-18 Initial Failed for Other Reason
2025-05-13 Compliance Passed
2025-04-17 Initial Failed for Other Reason
2024-10-09 Initial Passed
2024-09-18 Initial Passed
2023-04-19 Compliance Passed
2023-02-15 Initial Failed for Rat Activity
2021-07-16 Compliance Failed for Rat Activity
2021-07-07 Initial Failed for Rat Activity
2021-06-23 Initial Failed for Rat Activity
2020-09-16 Initial Passed
2019-04-04 Initial Passed
2018-07-09 Initial Passed
2017-08-16 Initial Passed
2017-01-17 Initial Passed
2012-09-11 Initial Passed
2011-06-08 Initial Passed
2010-06-11 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

4 Class A
13 Class B
4 Class C
Driving this immediately hazardous rating
Class C Active mice infestation 2026-02-10
Class C Active mice infestation 2025-08-14
See all 21 violations ▼
Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2026-02-10 ▼

Violation ID: #18634428

Current Status: Open

Date Issued: 2026-02-10T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-08-14 ▼

Violation ID: #18160401

Current Status: Open

Date Issued: 2025-08-14T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class C 567 (C) § 27-2017, 27-2017.1, 27-2017.4, 27-2017.5, 27-2017.8, 27-2019, 27-2021 HMC: ABATE THE NUISANCE CONSISTING OF EVIDENCE OF RATS AND ALL UNDERLYING CAUSES CREATING THE PEST INFESTATIONS, BY USING INTEGRATED PEST MANAGEMENT (IPM), ELIMINATE ALL BURROW ENTRY AND PASSAGEWAYS, PEST NESTS, HOLES, GAPS OR CRACKS IN WALLS, CEILINGS, FLOORS, FIXING LEAKS AND MANAGING GARBAGE IN PUBLIC AREAS. EVIDENCE FOUND AT , YARD
2025-08-14 ▼

Violation ID: #18160404

Current Status: Open

Date Issued: 2025-08-14T00:00:00.000

Description: 567 (C) § 27-2017, 27-2017.1, 27-2017.4, 27-2017.5, 27-2017.8, 27-2019, 27-2021 HMC: ABATE THE NUISANCE CONSISTING OF EVIDENCE OF RATS AND ALL UNDERLYING CAUSES CREATING THE PEST INFESTATIONS, BY USING INTEGRATED PEST MANAGEMENT (IPM), ELIMINATE ALL BURROW ENTRY AND PASSAGEWAYS, PEST NESTS, HOLES, GAPS OR CRACKS IN WALLS, CEILINGS, FLOORS, FIXING LEAKS AND MANAGING GARBAGE IN PUBLIC AREAS. EVIDENCE FOUND AT , YARD

Class C HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-07-16 ▼

Violation ID: #18093299

Current Status: Open

Date Issued: 2025-07-16T00:00:00.000

Description: HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class B § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE CASEMENT SASH WINDOW AT NORTH WALL IN THE BATHROOM LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2026-06-16 ▼

Violation ID: #19011797

Current Status: Open

Date Issued: 2026-06-16T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE CASEMENT SASH WINDOW AT NORTH WALL IN THE BATHROOM LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class B § 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2026-02-10 ▼

Violation ID: #18634427

Current Status: Open

Date Issued: 2026-02-10T00:00:00.000

Description: § 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class B § 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2026-02-10 ▼

Violation ID: #18634426

Current Status: Open

Date Issued: 2026-02-10T00:00:00.000

Description: § 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class B § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC TILES AT NORTH WALL IN THE BATHROOM LOCATED AT APT 1A, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-08-15 ▼

Violation ID: #18208631

Current Status: Open

Date Issued: 2025-08-15T00:00:00.000

Description: § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CERAMIC TILES AT NORTH WALL IN THE BATHROOM LOCATED AT APT 1A, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST

Class B § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE FRAME AT WINDOW IN THE BATHROOM LOCATED AT APT 1A, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST
2025-08-15 ▼

Violation ID: #18208633

Current Status: Open

Date Issued: 2025-08-15T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE FRAME AT WINDOW IN THE BATHROOM LOCATED AT APT 1A, 1st STORY, 1st APARTMENT FROM SOUTH AT WEST

Class B § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE MAILBOX AT SOUTH WALL AT PUBLIC HALL, 1st STORY
2025-08-15 ▼

Violation ID: #18208634

Current Status: Open

Date Issued: 2025-08-15T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE MAILBOX AT SOUTH WALL AT PUBLIC HALL, 1st STORY

Class B § 27-2005, 2006, 2037 HMC: PROPERLY REPAIR AND ABATE UNSAFE ELECTRIC WIRING CONDITION CONSISTING OF EXPOSED ELECTRICAL WIRING AT WEST WALL AT PUBLIC HALL STAIRS, 1st STORY
2025-08-15 ▼

Violation ID: #18208637

Current Status: Open

Date Issued: 2025-08-15T00:00:00.000

Description: § 27-2005, 2006, 2037 HMC: PROPERLY REPAIR AND ABATE UNSAFE ELECTRIC WIRING CONDITION CONSISTING OF EXPOSED ELECTRICAL WIRING AT WEST WALL AT PUBLIC HALL STAIRS, 1st STORY

Class B § 27-2005 HMC: REFIT 1ST CASEMENT WINDOW FROM WEST AT NORTH WALL IN THE 2nd ROOM FROM NORTH LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-08-14 ▼

Violation ID: #18160402

Current Status: Open

Date Issued: 2025-08-14T00:00:00.000

Description: § 27-2005 HMC: REFIT 1ST CASEMENT WINDOW FROM WEST AT NORTH WALL IN THE 2nd ROOM FROM NORTH LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class B § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE 2ND CASEMENT WINDOW FROM WEST AT NORTH WALL IN THE BATHROOM LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-08-14 ▼

Violation ID: #18160400

Current Status: Open

Date Issued: 2025-08-14T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE 2ND CASEMENT WINDOW FROM WEST AT NORTH WALL IN THE BATHROOM LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class B § 27-2037 ADM CODE PROVIDE A PROPER MEANS OF LIGHTING FOR WATER CLOSET COMPARTMENT , IN THE BATHROOM LOCATED AT APT 1A, 2nd STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-06-23 ▼

Violation ID: #18048187

Current Status: Open

Date Issued: 2025-06-23T00:00:00.000

Description: § 27-2037 ADM CODE PROVIDE A PROPER MEANS OF LIGHTING FOR WATER CLOSET COMPARTMENT , IN THE BATHROOM LOCATED AT APT 1A, 2nd STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class B § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE CABINET DOOR AT WEST WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 1A, 2nd STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-05-27 ▼

Violation ID: #17927764

Current Status: Open

Date Issued: 2025-05-27T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE CABINET DOOR AT WEST WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 1A, 2nd STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class B § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-05-14 ▼

Violation ID: #17893237

Current Status: Open

Date Issued: 2025-05-14T00:00:00.000

Description: § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class B § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-05-14 ▼

Violation ID: #17893238

Current Status: Open

Date Issued: 2025-05-14T00:00:00.000

Description: § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class A § 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR DEFECTIVE AT PUBLIC HALL, 1st STORY
2025-09-15 ▼

Violation ID: #18227759

Current Status: Open

Date Issued: 2025-09-15T00:00:00.000

Description: § 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR DEFECTIVE AT PUBLIC HALL, 1st STORY

Class A § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SASH HINGES AT CASEMENT WINDOW IN THE BATHROOM LOCATED AT APT 1A, 2nd STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-09-13 ▼

Violation ID: #18225121

Current Status: Open

Date Issued: 2025-09-13T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SASH HINGES AT CASEMENT WINDOW IN THE BATHROOM LOCATED AT APT 1A, 2nd STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class A § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOWER SASH AT EAST WINDOW ON NORTH WALL IN THE BATHROOM LOCATED AT APT 1A, 2nd STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-08-03 ▼

Violation ID: #18132619

Current Status: Open

Date Issued: 2025-08-03T00:00:00.000

Description: § 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOWER SASH AT EAST WINDOW ON NORTH WALL IN THE BATHROOM LOCATED AT APT 1A, 2nd STORY, 2nd APARTMENT FROM SOUTH AT WEST

Class A § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CEMENT FLOOR IN THE KITCHEN LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST
2025-05-09 ▼

Violation ID: #17884081

Current Status: Open

Date Issued: 2025-05-09T00:00:00.000

Description: § 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CEMENT FLOOR IN THE KITCHEN LOCATED AT APT 1A, 1st STORY, 2nd APARTMENT FROM SOUTH AT WEST

⚠️ 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 4 Class C (immediately hazardous) violations currently open — the most serious HPD category. With 176 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 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 9, 2026 · Source: NYC Open Data

⚠️ Serious Concerns Found

This building has 176 complaints and 4 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.