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Free Building Background Check

171 West 73 Street

MANHATTAN, NY 10023 BBL 1011450105 10 units · 5 floors · 1882

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HPD violations vs. neighborhood
Class B/C violations on record vs. a typical building in Upper West Side
? vs. avg
Fewer violations More violations

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Rent & eviction protection

Is 171 West 73 Street 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 1882
6 or more units
10 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

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How we score buildings

How 171 West 73 Street'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
20th percentile

Out of 3016 buildings in this neighborhood, 603 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
11.2%
No serious
violations
32.9%
Some violations
(1–9)
55.8%
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.

Serious violations last 1–2 years

HPD found serious or dangerous conditions at this address recently — the strongest signal of problems ahead.

Building assessed value

The city's assessed value reflects building size and neighborhood — the model uses it as an additional size and location signal.

Property manager's portfolio size

Number of buildings this property manager is registered on — larger portfolios have distinct risk patterns.

Building characteristics
Total units10
Floors5
Year built1882
Gross area5,525 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

171 West 73 Street'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
Brownstone Housing Corp
Address
271 Madison Avenue 1200
New York, NY 10016
Landlord portfolio

Other properties owned.

Portfolio data hidden

We found 1 other property owned by this landlord. Unlock the report to see their addresses and risk grades.

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What residents say

Reviews from 171 West 73 Street tenants

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

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On the map

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