Free Building Background Check

151 East 31 Street

MANHATTAN, NY 10016 BBL 1008870030 709 units · 29 floors · 1988

While historically clean, our model detects a rising risk of severe maintenance issues in the next 12 months.

HPD violations vs. neighborhood
Class B/C violations on record vs. a typical building in Kips Bay
At or below average
avg 10.7
0
Fewer violations More violations

This building has 0 recorded HPD violations, at or below the Kips Bay average of 10.7.

Rent & eviction protection

Is 151 East 31 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 1988
6 or more units
709 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.

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How we score buildings

How 151 East 31 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
61th percentile

Out of 374 buildings in this neighborhood, 228 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
59.1%
No serious
violations
36.7%
Some violations
(1–9)
4.2%
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.

Building size

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

Emergency violations, property manager's portfolio

Emergency violations across buildings under this property manager.

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 151 East 31 Street report

Building characteristics
Total units709
Floors29
Year built1988
Gross area644,393 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.

450 3rd Ave, New York, NY 10016
452 3rd Ave, New York, NY 10016
454 3rd Ave, New York, NY 10016
456 3rd Ave, New York, NY 10016
458 3rd Ave, New York, NY 10016
460 3rd Ave, New York, NY 10016
462 3rd Ave, New York, NY 10016
464 3rd Ave, New York, NY 10016
466 3rd Ave, New York, NY 10016
135 East 31st St, New York, NY 10016
137 East 31st St, New York, NY 10016
139 East 31st St, New York, NY 10016
141 East 31st St, New York, NY 10016
143 East 31st St, New York, NY 10016
145 East 31st St, New York, NY 10016
147 East 31st St, New York, NY 10016
149 East 31st St, New York, NY 10016
151 East 31st St, New York, NY 10016
153 East 31st St, New York, NY 10016
134 East 32nd St, New York, NY 10016
136 East 32nd St, New York, NY 10016
138 East 32nd St, New York, NY 10016
140 East 32nd St, New York, NY 10016
142 East 32nd St, New York, NY 10016
144 East 32nd St, New York, NY 10016
146 East 32nd St, New York, NY 10016
148 East 32nd St, New York, NY 10016
150 East 32nd St, New York, NY 10016
152 East 32nd St, New York, NY 10016
154 East 32nd St, New York, NY 10016
156 East 32nd St, New York, NY 10016
158 East 32nd St, New York, NY 10016
160 East 32nd St, New York, NY 10016
162 East 32nd St, New York, NY 10016
164 East 32nd St, New York, NY 10016
166 East 32nd St, New York, NY 10016
168 East 32nd St, New York, NY 10016
170 East 32nd St, New York, NY 10016
179 Lexington Ave, New York, NY 10016
181 Lexington Ave, New York, NY 10016
183 Lexington Ave, New York, NY 10016
185 Lexington Ave, New York, NY 10016
187 Lexington Ave, New York, NY 10016
189 Lexington Ave, New York, NY 10016
191 Lexington Ave, New York, NY 10016
193 Lexington Ave, New York, NY 10016
Who's behind the building

151 East 31 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
Mastic Associates Of New York LLC
Address
545 Madison Ave 5 Fl
NY, NY 10022
Landlord portfolio

Other properties owned.

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What residents say

Reviews from 151 East 31 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

Compare nearby alternatives

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

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The story over time

151 East 31 Street event timeline

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

2026
311 Call Jan 27
Non-Residential Heat
Inadequate Or No Heat
311 Call Jan 25
Non-Residential Heat

See all 23 events

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

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Every record we have

Full data for 151 East 31 Street apartments

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

Side by side

How 151 East 31 Street compares to the neighborhood

This building against comparable properties in Kips Bay. Toggle filters to narrow the peer group.

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

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