Free Building Background Check

585 East 21 Street

BROOKLYN, NY 11226 BBL 3052070001 65 units · 6 floors · 1931

This building has a severe track record, and our model predicts major ongoing maintenance failures.

HPD violations vs. neighborhood
Class B/C violations on record vs. a typical building in Flatbush
At or below average
avg 87.3
46
Fewer violations More violations

This building has 46 recorded HPD violations, at or below the Flatbush average of 87.3.

Rent & eviction protection

Is 585 East 21 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
65 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 585 East 21 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
26th percentile

Out of 1399 buildings in this neighborhood, 364 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
2.1%
No serious
violations
45.3%
Some violations
(1–9)
52.5%
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.

Hazardous violations (past 7 years)

HPD violations classified as hazardous — things like mold, peeling lead paint, or broken heat.

Serious violations last 1–2 years

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

Building size

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

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 585 East 21 Street report

Building characteristics
Total units65
Floors6
Year built1931
Gross area55,350 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.

2102 Ditmas Ave, New York, NY 11226
2104 Ditmas Ave, New York, NY 11226
585 East 21st St, New York, NY 11226
587 East 21st St, New York, NY 11226
589 East 21st St, New York, NY 11226
591 East 21st St, New York, NY 11226
593 East 21st St, New York, NY 11226
595 East 21st St, New York, NY 11226
597 East 21st St, New York, NY 11226
Who's behind the building

585 East 21 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
Ditmas Park LLC
Address
185 Marcy Ave 102
Brooklyn, NY 11211
Landlord portfolio

Other properties owned.

Portfolio data hidden

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What residents say

Reviews from 585 East 21 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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The story over time

585 East 21 Street event timeline

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

2026
Bedbug Filing May 07
Bedbug report filed
0 infested · 0 eradicated
HPD Violation May 04
Class A violation

See all 24 events

Full history back to 2006 — violations, complaints, permits, bedbug filings, and more.

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Every record we have

Full data for 585 East 21 Street apartments

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

Side by side

How 585 East 21 Street compares to the neighborhood

This building against comparable properties in Flatbush. 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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