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421 East 80 Street, Manhattan is a residential building in Upper East Side, Manhattan, New York City. As of June 8, 2026, this building has 0 open HPD violations: 0 Class A, 0 Class B, and 0 Class C (immediately hazardous). In the last 12 months, 1 complaint has been filed against this building via NYC 311. The most common complaint type is HEAT/HOT WATER. The building's overall risk rating is LOW RISK. Data source: NYC Open Data, updated daily. Last verified: June 8, 2026.

421 East 80 Street, Manhattan

📍 Upper East Side, Manhattan 🔨 Built 1925 🏢 20 units 🏷️ Class C1
Residential
LOW RISK

Safety Rating: Safe record — No open violations and minimal complaint activity.

311 Complaint Summary

0
Last 30 Days
0
Last 90 Days
1
Last 365 Days
⚠️ Complaints are up 100% compared to the previous 6 months.
Complaint Types (Last 12 Months)
HEAT/HOT WATER
1(100%)
📅 Monthly Activity Heatmap (Last 12 Months)
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HPD Housing Violations

0 Class A
0 Class B
0 Class C

No open violations on file for this building.

⚠️ 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

Insufficient violation history to score this building.

Neighborhood Comparison

How 421 East 80 Street, Manhattan compares to other tracked buildings in Upper East Side in the last 12 months.

2
Average building in Upper East Side
1
This building
1
NYC Average
📊 That's 0.5× the Upper East Side average · top 24% most-complained in neighborhood

Nearby Buildings

Top complained-about buildings in the same neighborhood (Upper East Side) in the last 12 months.

Address Complaints Violations Risk Score Actions
510 MAIN STREET, MANHATTAN 378 38 CRITICAL View →
1261 2 AVENUE, MANHATTAN 270 16 CRITICAL View →
325 EAST 92 STREET, MANHATTAN 148 16 CRITICAL View →
507 EAST 81 STREET, MANHATTAN 133 6 CRITICAL View →
425 EAST 80 STREET, MANHATTAN 133 0 MEDIUM View →

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: June 8, 2026 · Source: NYC Open Data

✅ Clean Record

This building has minimal complaint activity and no serious violations on record.

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📊 NYC Building Insights

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

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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: June 8, 2026.