Free Building Background Check

401 Chester Street

BROOKLYN, NY 11212 BBL 3035890021 157 units · 8 floors · 2021

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 Brownsville
At or below average
avg 28.6
19
Fewer violations More violations

This building has 19 recorded HPD violations, at or below the Brownsville average of 28.6.

Rent & eviction protection

Is 401 Chester 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 2021
6 or more units
157 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

401 Chester Street is an 8-story, 157-unit residential building located in Brownsville, completed in 2021 and owned by Martin Dunn. The building's maintenance history shows several significant events over the past two years, with the most recent issues occurring in May 2025, when two emergency door-related complaints were filed with HPD. These incidents resulted in violations being issued. Earlier in 2025, there was also a complaint regarding indoor air quality related to chemical vapors, which was addressed through an advisory to the property owner. The building has undergone four inspections by the Department of Buildings (DOB) in 2021, covering various categories including compliance tracking, sustainability enforcement, and maintenance issues, with all inspections concluding with no violations being warranted. A benchmarking violation was recorded in May 2023 regarding the failure to file an energy use report, though this was later dismissed following an approved challenge. Notably, the building has maintained a clean record regarding bedbug infestations, with no reported cases in the last two annual reporting periods (2023-24 and 2022-23), showing zero units affected, eradicated, or re-infested between November 2022 and October 2024.

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How we score buildings

How 401 Chester 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
11th percentile

Out of 1329 buildings in this neighborhood, 146 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
4.7%
No serious
violations
63.9%
Some violations
(1–9)
31.3%
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.

Serious violations last 1–2 years

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

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.

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 401 Chester Street report

Building characteristics
Total units157
Floors8
Year built2021
Gross area112,132 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.

381 Chester St, New York, NY 11212
383 Chester St, New York, NY 11212
385 Chester St, New York, NY 11212
387 Chester St, New York, NY 11212
389 Chester St, New York, NY 11212
391 Chester St, New York, NY 11212
393 Chester St, New York, NY 11212
395 Chester St, New York, NY 11212
397 Chester St, New York, NY 11212
399 Chester St, New York, NY 11212
220 Livonia Ave, New York, NY 11212
Who's behind the building

401 Chester 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
Simba Simbi LLC
Address
589 Sackett Street
Brooklyn, NY 11217
Landlord portfolio

Other properties owned.

Portfolio data hidden

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What residents say

Reviews from 401 Chester Street tenants

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On the map

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The story over time

401 Chester Street event timeline

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

2026
311+HPD May 14
General
Mailbox
HPD Violation May 11
Class A violation

See all 24 events

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

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Every record we have

Full data for 401 Chester Street apartments

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

Side by side

How 401 Chester Street compares to the neighborhood

This building against comparable properties in Brownsville. 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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