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Free Building Background Check

549 Leonard Street

BROOKLYN, NY 11222 BBL 3026800009 3 units · 3 floors · 1910

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

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Rent & eviction protection

Is 549 Leonard 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 1910
6 or more units
3 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 549 Leonard 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
76th percentile

Out of 2348 buildings in this neighborhood, 1784 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
90.7%
No serious
violations
7.0%
Some violations
(1–9)
2.3%
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.

Corporate ownership

Whether this building is registered to a corporate entity rather than an individual. Corporate owners tend to have distinct portfolio patterns.

Building age

Older buildings tend to have more maintenance challenges, particularly pre-war construction without modern infrastructure.

Minor violation rate, landlord's portfolio

Per-building rate of minor violations across the landlord's portfolio.

Building characteristics
Total units3
Floors3
Year built1910
Gross area2,166 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

549 Leonard 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
The Florence Ziemianski Trust
Address
549 Leonard St
Brooklyn, NY 11222
Landlord portfolio

Other properties owned.

Portfolio data hidden

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What residents say

Reviews from 549 Leonard Street tenants

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On the map

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