340 East 18th Street, Manhattan is a residential building in Turtle Bay, Manhattan, New York City. Based on NYC Open Data, this building has received 44 complaints in the last 12 months and currently has 3 open HPD violations, earning a Violation Severity Grade of A. This places it among the best maintained buildings in Manhattan. Complaint volume has increased compared to the prior year.

Data last synced: June 15, 2026 โ€” updated daily from NYC Open Data

Is 340 East 18th Street, Manhattan Safe to Rent?

๐Ÿ“ Turtle Bay, Manhattan ๐Ÿ”จ Built 1910 ๐Ÿข 24 units ๐Ÿท๏ธ Class C1
Residential
CRITICAL RISK

Safety Rating: Immediately hazardous โ€” Immediately hazardous violations โ€” serious concerns.

311 Complaint Summary

2
Last 30 Days
13
Last 90 Days
44
Last 365 Days
โš ๏ธ Complaints are up 114% compared to the previous 6 months.
Complaint Types (Last 12 Months)
HEAT/HOT WATER
42(95%)
WATER LEAK
1(2%)
PLUMBING
1(2%)
๐Ÿ“… Monthly Activity Heatmap (Last 12 Months)
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun

HPD Housing Violations

0 Class A
1 Class B
2 Class C
Class B HMC ADM CODE: ยง 27-2017.4 ABATE THE INFESTATION CONSISTING OF BEDBUGS IN THE ENTIRE APARTMENT LOCATED AT APT 3C, 4th STORY, 1st APARTMENT FROM EAST AT SOUTH
2024-05-08 โ–ผ

Violation ID: #16968215

Current Status: Open

Date Issued: 2024-05-08T00:00:00.000

Description: HMC ADM CODE: ยง 27-2017.4 ABATE THE INFESTATION CONSISTING OF BEDBUGS IN THE ENTIRE APARTMENT LOCATED AT APT 3C, 4th STORY, 1st APARTMENT FROM EAST AT SOUTH

Class C ยง 27-2005 ADM CODE FIRE ESCAPE DEFECTIVE. REPLACE WITH NEW THE BROKEN, DEFECTIVE AND/OR MISSING 2ND METAL TREAD FROM BOTTOM AT 2ND STORY ,BUILDING FRONT AT FIRE ESCAPE
2026-06-10 โ–ผ

Violation ID: #18993598

Current Status: Open

Date Issued: 2026-06-10T00:00:00.000

Description: ยง 27-2005 ADM CODE FIRE ESCAPE DEFECTIVE. REPLACE WITH NEW THE BROKEN, DEFECTIVE AND/OR MISSING 2ND METAL TREAD FROM BOTTOM AT 2ND STORY ,BUILDING FRONT AT FIRE ESCAPE

Class C ยง 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE MORTISE LOCK, AND LATCH SET AT THE VESTIBULE DOOR AT PUBLIC HALL, 1st STORY
2025-10-21 โ–ผ

Violation ID: #18313898

Current Status: Open

Date Issued: 2025-10-21T00:00:00.000

Description: ยง 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE MORTISE LOCK, AND LATCH SET AT THE VESTIBULE DOOR AT PUBLIC HALL, 1st STORY

โš ๏ธ 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.

Violation History & Landlord Accountability

A Violation Severity
2 Open Violations
0 Class A
1 Class B
1 Class C

Few or no Class C violations on record.

Score: 96.5/100 ยท Based on current open violations. Higher Class C violations = lower score.

First violation on record: 2024-05-08 ยท Most recent: 2025-10-21

A Few/no Class C  ยท  B Limited Class C  ยท  C Multiple Class C  ยท  D Significant  ยท  F High hazard load

Neighborhood Comparison

How 340 East 18th Street, Manhattan compares to other tracked buildings in Turtle Bay in the last 12 months.

2
Average building in Turtle Bay
44
This building
1
NYC Average
๐Ÿ“Š That's 22.0ร— the Turtle Bay average ยท top 26% most-complained in neighborhood

Nearby Buildings

Top complained-about buildings in the same neighborhood (Turtle Bay) in the last 12 months.

Address Complaints Violations Risk Score Actions
305 EAST 45 STREET, MANHATTAN 547 3 CRITICAL View โ†’
240 1 AVENUE, MANHATTAN 379 12 CRITICAL View โ†’
342 1 AVENUE, MANHATTAN 171 9 CRITICAL View โ†’
25-00 FDR DRIVE, MANHATTAN 112 39 CRITICAL View โ†’
143 EAST 23 STREET, MANHATTAN 110 16 CRITICAL View โ†’

What This Means If You're Considering Renting Here

Based on available data, 340 East 18th Street, Manhattan shows relatively few unresolved issues compared to other Turtle Bay buildings. The violation record is limited and complaint activity is moderate relative to the neighborhood average. However, always verify directly with HPD and request a full lease review before signing.

Data current as of June 15, 2026. Always verify independently with HPD before signing a lease.

Data last updated: June 15, 2026 ยท Source: NYC Open Data

โš ๏ธ Serious Concerns Found

This building has 44 complaints and 2 Class C (immediately hazardous) violations on record in the last 12 months. Review the full violation list carefully before signing any lease.

Get notified of any new activity โ†’
Free forever. Cancel anytime.

๐Ÿ“Š NYC Building Insights

Read our data analysis of NYC's worst landlords, most complained buildings, and Grade A properties.

Read the blog โ†’
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: June 15, 2026.