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Free Building Background Check

109 East 42 Street

MANHATTAN, NY 10017 BBL 1012800030 1410 units · 34 floors · 1919

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

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Rent & eviction protection

Is 109 East 42 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 1919
6 or more units
1410 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 109 East 42 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
71th percentile

Out of 905 buildings in this neighborhood, 643 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
77.4%
No serious
violations
19.6%
Some violations
(1–9)
3.0%
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.

311 call rate, landlord's portfolio

Average 311 housing complaints per building across everything this landlord owns.

Building code violations (past 7 years)

Building code violations issued by the Dept. of Buildings (separate from HPD housing violations).

Building characteristics
Total units1410
Floors34
Year built1919
Gross area
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.

175 Park Ave, New York, NY 10017
107 East 42nd St, New York, NY 10017
109 East 42nd St, New York, NY 10017
111 East 42nd St, New York, NY 10017
113 East 42nd St, New York, NY 10017
115 East 42nd St, New York, NY 10017
117 East 42nd St, New York, NY 10017
119 East 42nd St, New York, NY 10017
121 East 42nd St, New York, NY 10017
123 East 42nd St, New York, NY 10017
125 East 42nd St, New York, NY 10017
127 East 42nd St, New York, NY 10017
406 Lexington Ave, New York, NY 10017
408 Lexington Ave, New York, NY 10017
410 Lexington Ave, New York, NY 10017
Who's behind the building

109 East 42 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.

Agent

Registered contact for this building.

Name
Arielle Frost
Address
430 Park Avenue 8th Fl
New York, NY 10022
Landlord portfolio

Other properties owned.

Portfolio data hidden

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What residents say

Reviews from 109 East 42 Street tenants

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On the map

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