Free Building Background Check

4200 Avenue K

BROOKLYN, NY 11210 BBL 3078130136 108 units · 6 floors · 1955

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 Flatlands
At or below average
avg 23.6
5
Fewer violations More violations

This building has 5 recorded HPD violations, at or below the Flatlands average of 23.6.

Rent & eviction protection

Is 4200 Avenue K 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 1955
6 or more units
108 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 4200 Avenue K'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
2th percentile

Out of 412 buildings in this neighborhood, 8 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
0.1%
No serious
violations
0.4%
Some violations
(1–9)
99.4%
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.

Emergency violations (past 7 years)

HPD violations classified as immediately dangerous — fires, raw sewage, no heat in winter.

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 4200 Avenue K report

Building characteristics
Total units108
Floors6
Year built1955
Gross area96,000 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.

4124 Avenue K, New York, NY 11210
4126 Avenue K, New York, NY 11210
4128 Avenue K, New York, NY 11210
4130 Avenue K, New York, NY 11210
4132 Avenue K, New York, NY 11210
4134 Avenue K, New York, NY 11210
4136 Avenue K, New York, NY 11210
4138 Avenue K, New York, NY 11210
4140 Avenue K, New York, NY 11210
4142 Avenue K, New York, NY 11210
4144 Avenue K, New York, NY 11210
4146 Avenue K, New York, NY 11210
4148 Avenue K, New York, NY 11210
4150 Avenue K, New York, NY 11210
4152 Avenue K, New York, NY 11210
4154 Avenue K, New York, NY 11210
4156 Avenue K, New York, NY 11210
4158 Avenue K, New York, NY 11210
4160 Avenue K, New York, NY 11210
4162 Avenue K, New York, NY 11210
4164 Avenue K, New York, NY 11210
4166 Avenue K, New York, NY 11210
4168 Avenue K, New York, NY 11210
4170 Avenue K, New York, NY 11210
4172 Avenue K, New York, NY 11210
4174 Avenue K, New York, NY 11210
4176 Avenue K, New York, NY 11210
4178 Avenue K, New York, NY 11210
4180 Avenue K, New York, NY 11210
4182 Avenue K, New York, NY 11210
4184 Avenue K, New York, NY 11210
4186 Avenue K, New York, NY 11210
4188 Avenue K, New York, NY 11210
4190 Avenue K, New York, NY 11210
4192 Avenue K, New York, NY 11210
4194 Avenue K, New York, NY 11210
4196 Avenue K, New York, NY 11210
4198 Avenue K, New York, NY 11210
Who's behind the building

4200 Avenue K'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
4200 Avenue K Equities LLC
Address
1285 52Nd St
Bklyn, NY 11219
Landlord portfolio

Other properties owned.

Portfolio data hidden

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What residents say

Reviews from 4200 Avenue K 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

4200 Avenue K event timeline

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

2026
311+HPD May 28
Heat/Hot Water
Apartment Only
311 Call & HPD Complaint May 28
Plumbing

See all 26 events

Full history back to 2020 — violations, complaints, permits, bedbug filings, and more.

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Every record we have

Full data for 4200 Avenue K apartments

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

Side by side

How 4200 Avenue K compares to the neighborhood

This building against comparable properties in Flatlands. 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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