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Free Building Background Check

831 9 Avenue

MANHATTAN, NY 10019 BBL 1010640036 149 units · 18 floors · 2004

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HPD violations vs. neighborhood
Class B/C violations on record vs. a typical building in Hell's Kitchen
? vs. avg
Fewer violations More violations

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Rent & eviction protection

Is 831 9 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 2004
6 or more units
149 units
Registered with RGB
Not found
421-A / J-51 abatement
None found
Likely not rent stabilized. This building doesn't show the typical signals — but confirm with the DHCR (Division of Housing and Community Renewal) if you suspect otherwise.

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

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How we score buildings

How 831 9 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
57th percentile

Out of 1009 buildings in this neighborhood, 575 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
50.7%
No serious
violations
42.9%
Some violations
(1–9)
6.3%
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.

Number of apartments

The number of residential units affects how the model interprets complaint and violation totals — more units means more potential sources.

Tenant HPD complaints (past 7 years)

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

Building size

Total residential square footage — a proxy for building scale and the number of systems (plumbing, HVAC, etc.) that can fail.

Building characteristics
Total units149
Floors18
Year built2004
Gross area150,440 sq ft
Building class
Tax abatementNone
Issue trend & model projection

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

Multiple entrances & addresses

Included addresses

All street addresses that share this building's BBL and are covered by this report.

831 9th Ave, New York, NY 10019
833 9th Ave, New York, NY 10019
835 9th Ave, New York, NY 10019
837 9th Ave, New York, NY 10019
400 West 55th St, New York, NY 10019
402 West 55th St, New York, NY 10019
404 West 55th St, New York, NY 10019
406 West 55th St, New York, NY 10019
408 West 55th St, New York, NY 10019
410 West 55th St, New York, NY 10019
412 West 55th St, New York, NY 10019
414 West 55th St, New York, NY 10019
416 West 55th St, New York, NY 10019
418 West 55th St, New York, NY 10019
Who's behind the building

831 9 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
55Th & 9Th LLC
Address
111 Fifth Avenue 9th Fl
New York, NY 10003
Landlord portfolio

Other properties owned.

Portfolio data hidden

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What residents say

Reviews from 831 9 Avenue tenants

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On the map

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