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329 East 93rd Street, Manhattan

📍 Upper East Side, Manhattan Built 1920 94 units Class D3 Residential
Registered to THOMAS C AHN LLC / Partnership HPD registration · updated monthly
HIGH RISK
6 Open Violations
6B
0 Complaints (12 mo)
0 Last 30 Days
6 hazardous (Class B) violations currently open. Review the full list below and document existing conditions at move-in.

311 Complaint Summary

0
Last 30 Days
0
Last 90 Days
0
Last 365 Days
Complaints have remained stable over the last year.
Complaint Types (Last 12 Months)

No complaint types recorded in the last year.

📅 Monthly Activity Heatmap (Last 12 Months)
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Source: NYC 311 / HPD · Synced daily · Covers HPD-managed residential buildings · Records from Jan 2024 onward

DOHMH Rat Inspection History

25 Inspections on Record
Passed Most Recent Result
2025-07-29 Most Recent Date
2025-07-29 Initial Passed
2024-10-01 Initial Passed
2023-10-25 Initial Passed
2022-08-31 Initial Passed
2022-08-15 Initial Passed
2022-02-04 Compliance Passed
2022-01-19 Treatments Bait applied
2022-01-13 Treatments Bait applied
2022-01-10 Initial Failed for Rat Activity
2021-12-20 Treatments Bait applied
2021-11-15 Compliance Failed for Rat Activity
2021-10-21 Treatments Bait applied
2021-10-07 Treatments Monitoring visit
2021-10-05 Compliance Failed for Rat Activity
2021-08-12 Compliance Failed for Other Reason
2021-07-22 Initial Failed for Rat Activity
2021-07-16 Compliance Failed for Rat Activity and Other Reason
2021-07-16 Initial Failed for Rat Activity
2021-07-09 Initial Failed for Rat Activity
2021-05-18 Initial Failed for Rat Activity
2021-05-17 Initial Failed for Rat Activity
2019-11-01 Initial Passed
2019-04-16 Initial Passed
2018-06-14 Initial Passed
2017-12-13 Compliance 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

0 Class A
6 Class B
0 Class C
Driving this hazardous violations rating
Class B Discontinue use of rooms for living, disconnect plumbing fixtures and properly seal pipe connections bathtub,… 2024-12-17
Class B § 300, 301, 302, m/d law file plans and obtain a certificate of occupancy to legalize the following alteration… 2024-12-17
See all 6 violations ▼
Class B § 27-2081 ADM CODE DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES AND PROPERLY SEAL PIPE CONNECTIONS BATHTUB, WATER CLOSET, WASH BASIN AND KITCHEN SINK AT CELLAR
2024-12-17 ▼

Violation ID: #17570641

Current Status: Open

Date Issued: 2024-12-17T00:00:00.000

Description: § 27-2081 ADM CODE DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES AND PROPERLY SEAL PIPE CONNECTIONS BATHTUB, WATER CLOSET, WASH BASIN AND KITCHEN SINK AT CELLAR

Class B § 300, 301, 302, M/D LAW FILE PLANS AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE FOLLOWING ALTERATION OR RESTORE PREMISES TO PRIOR LEGAL CONDITION CONSISTING OF A CLASS ''A'' APARTMENT CREATED AT CELLAR
2024-12-17 ▼

Violation ID: #17570642

Current Status: Open

Date Issued: 2024-12-17T00:00:00.000

Description: § 300, 301, 302, M/D LAW FILE PLANS AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE FOLLOWING ALTERATION OR RESTORE PREMISES TO PRIOR LEGAL CONDITION CONSISTING OF A CLASS ''A'' APARTMENT CREATED AT CELLAR

Class B § 27-2070 ADM CODE DISCONTINUE UNLAWFUL COOKING SPACE OR FILE PLANS AND APPLICATION WITH THIS DEPARTMENT TO LEGALIZE SAME, IF LAWFULLY FEASIBLE, STOVE AT CELLAR
2024-12-17 ▼

Violation ID: #17570640

Current Status: Open

Date Issued: 2024-12-17T00:00:00.000

Description: § 27-2070 ADM CODE DISCONTINUE UNLAWFUL COOKING SPACE OR FILE PLANS AND APPLICATION WITH THIS DEPARTMENT TO LEGALIZE SAME, IF LAWFULLY FEASIBLE, STOVE AT CELLAR

Class B § 27-2070 ADM CODE DISCONTINUE UNLAWFUL COOKING SPACE OR FILE PLANS AND APPLICATION WITH THIS DEPARTMENT TO LEGALIZE SAME, IF LAWFULLY FEASIBLE, GAS RANGE AT ILLEGAL APARTMENT CREATED AT CELLAR WEST 1
2024-10-31 ▼

Violation ID: #17399260

Current Status: Open

Date Issued: 2024-10-31T00:00:00.000

Description: § 27-2070 ADM CODE DISCONTINUE UNLAWFUL COOKING SPACE OR FILE PLANS AND APPLICATION WITH THIS DEPARTMENT TO LEGALIZE SAME, IF LAWFULLY FEASIBLE, GAS RANGE AT ILLEGAL APARTMENT CREATED AT CELLAR WEST 1

Class B § 27-2081 ADM CODE DISCONTINUE USE OF ROOMS FOR LIVING PURPOSES BATHTUB,WASH BASIN,WATER CLOSET AND KITCHEN SINK AT ILLEGAL APARTMENT CREATED AT CELLAR WEST 1
2024-10-31 ▼

Violation ID: #17399262

Current Status: Open

Date Issued: 2024-10-31T00:00:00.000

Description: § 27-2081 ADM CODE DISCONTINUE USE OF ROOMS FOR LIVING PURPOSES BATHTUB,WASH BASIN,WATER CLOSET AND KITCHEN SINK AT ILLEGAL APARTMENT CREATED AT CELLAR WEST 1

Class B § 300, 301, 302, M/D LAW FILE PLANS AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE FOLLOWING ALTERATION OR RESTORE PREMISES TO PRIOR LEGAL CONDITION COMMERCIAL SPACE CONVERTED INTO CLASS '' A'' APARTMENT AT WEST 1 CONTRARY TO C.O. # 66681 AT CELLAR
2024-10-31 ▼

Violation ID: #17399264

Current Status: Open

Date Issued: 2024-10-31T00:00:00.000

Description: § 300, 301, 302, M/D LAW FILE PLANS AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE FOLLOWING ALTERATION OR RESTORE PREMISES TO PRIOR LEGAL CONDITION COMMERCIAL SPACE CONVERTED INTO CLASS '' A'' APARTMENT AT WEST 1 CONTRARY TO C.O. # 66681 AT CELLAR

⚠️ 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 B (hazardous) violations currently open. Prospective renters should review the full violation list, request HPD inspection history before signing, and document all existing conditions in writing at move-in.

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

⚠️ Notable Issues Found

This building has 0 complaints and active hazardous violations. We recommend reviewing the full history before making a decision.

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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.