Free Building Background Check

399 1 Avenue

MANHATTAN, NY 10075 BBL 1014737503 36 units · 7 floors · 1910

This building has a severe track record, and our model predicts major ongoing maintenance failures.

HPD violations vs. neighborhood
Class B/C violations on record vs. a typical building in Upper East Side
Above average
avg 7.7
18
Fewer violations More violations

This building has 18 recorded HPD violations, above the Upper East Side average of 7.7.

Rent & eviction protection

Is 399 1 Avenue rent-stabilized?

Rent stabilization caps how much your rent can rise and protects your right to renew. Here's how this building scores on the four signals that usually point to it.

Built before 1974
Built 1910
6 or more units
36 units
Registered with RGB
Not found
421-A / J-51 abatement
None found
Potential rent stabilization. Building age and size suggest eligibility — confirm with the DHCR (Division of Housing and Community Renewal) or request a rent history.

Based on public NYC records. Not legal advice — verify with the DHCR (Division of Housing and Community Renewal) at apps.hcr.ny.gov.

Augrented Insights
AI summary · updated June 2026

AI insights require an account

Sign in or create a free account to read the AI-generated summary for this building.

How we score buildings

How 399 1 Avenue's risk score is calculated

We trained a model on 7 years of city inspection data — HPD violation filings, tenant complaints, and owner track records across their entire portfolio. It estimates the probability that HPD inspectors will find serious or dangerous violations at this address in the next 12 months. Lower % = safer.

What the score means for you

Neighborhood percentile
7th percentile

Out of 3066 buildings in this neighborhood, 215 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
8.0%
No serious
violations
70.1%
Some violations
(1–9)
21.8%
Many violations
(10+)
Risk factors

What's driving this score

These are the three data points that most influenced this building's score — ranked by how much weight the model placed on each one.

Tenant HPD complaints (past 7 years)

Formal complaints tenants filed with HPD about this address over the last 7 years.

Emergency violations (past 7 years)

HPD violations classified as immediately dangerous — fires, raw sewage, no heat in winter.

311 housing calls (past 7 years)

311 calls from or about this address logged as housing-related over 7 years.

Don't stop here — this is just the surface.

The full report adds 30+ data sets, complete violation history, landlord portfolio and court record. Or keep reading free:

What's in the 399 1 Avenue report

Building characteristics
Total units36
Floors7
Year built1910
Gross area21,145 sq ft
Building class
Tax abatementNone
Issue trend & model projection

Violations & complaints per year — solid line is historical record, dashed line is AI projection.

Who's behind the building

399 1 Avenue's landlord & ownership

The people and companies registered to this building, the other properties they run, and their court record. A landlord's wider portfolio is often the best predictor of how your building will be treated.

Corporate Owner

Registered contact for this building.

Name
399 E 78Th St Owners Corp
Address
136 East 57Th Street 14th F
New York, NY 10022
Landlord portfolio

Other properties owned.

Portfolio data hidden

Sign up to see all properties owned by this landlord, with risk grades for each.

Create free account
What residents say

Reviews from 399 1 Avenue tenants

Real experiences from people who have lived here. Share your honest feedback to help others make informed decisions.

Share your experience — Help other renters by leaving an honest review

Loading reviews…

On the map

Compare nearby alternatives

This building and nearby alternatives, color-coded by risk level. Click any marker to explore.

Buildings nearby
Loading…
The story over time

399 1 Avenue event timeline

Violations, complaints, fines, and permits — the most recent records on file, in order.

2026
311+HPD Apr 24
Unsanitary Condition
Pests
Permit Apr 21
Renewal Permit Without Changes · Sidewalk Shed

See all 30 events

Full history back to 2021 — violations, complaints, permits, bedbug filings, and more.

Unlock full timeline
Every record we have

Full data for 399 1 Avenue apartments

30+ public city datasets for this address — searchable and sortable.

Side by side

How 399 1 Avenue compares to the neighborhood

This building against comparable properties in Upper East Side. Toggle filters to narrow the peer group.

Loading comparables…
Checking out an apartment?

Look up the next building before you sign

Most renters check three or four buildings. Search any NYC address free — no account needed to see the rating.

Simple pricing

Get the full picture

Every plan unlocks the complete report: all 30+ record sets, full history, landlord portfolio and court record, plus PDF & Excel exports.

Report Bundle

For the buildings you're deciding on right now

$10 one-time

~$3.33 per building. No subscription ever. Each credit unlocks one building's premium report for 30 days.

  • 3 full AI-powered reports
  • Download PDF reports
  • Advanced safety analysis
  • Compare multiple buildings
  • Credits never expire until you use them
  • Full public records (200 rows per dataset)
Buy 3 Reports — $10

Apartment Hunter

For a wide search across many buildings

$39 one-time

30 reports — ~$1.30 each. No subscription ever.

  • 30 full AI-powered reports
  • Download PDF reports
  • Advanced safety analysis
  • Compare multiple buildings
  • Credits never expire until you use them
  • Full public records (200 rows per dataset)
Buy 30 Reports — $39

Cancel anytime · Data sourced from NYC Open Data, HPD, DOB, DOF & the courts

Watch 399 1 Avenue
Get an email the moment a new violation or complaint is filed.