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Free Building Background Check

336 East 31 Street

BROOKLYN, NY 11226 BBL 3049470021 31 units · 4 floors · 1931

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

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Rent & eviction protection

Is 336 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 1931
6 or more units
31 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 336 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
12th percentile

Out of 3414 buildings in this neighborhood, 410 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
6.3%
No serious
violations
57.4%
Some violations
(1–9)
36.3%
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.

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.

Serious violations last 1–2 years

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

Building characteristics
Total units31
Floors4
Year built1931
Gross area27,756 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.

336 East 31st St, New York, NY 11226
338 East 31st St, New York, NY 11226
Who's behind the building

336 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
340 East 31St Street Realty Corp
Address
665 East 23Rd Street
Brooklyn, NY 11210
Landlord portfolio

Other properties owned.

Portfolio data hidden

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What residents say

Reviews from 336 East 31 Street tenants

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On the map

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