Free Building Background Check

143 St Nicholas Avenue

BROOKLYN, NY 11237 BBL 3032610009 5 units · 3 floors · 1931

Despite past complaints, recent landlord activity indicates a low probability of future maintenance failures.

HPD violations vs. neighborhood
Class B/C violations on record vs. a typical building in Bushwick
Above average
avg 11.9
74
Fewer violations More violations

This building has 74 recorded HPD violations, above the Bushwick average of 11.9.

Rent & eviction protection

Is 143 St Nicholas Avenue 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
5 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

AI insights require an account

Sign in or create a free account to read the AI-generated summary for this building.

How we score buildings

How 143 St Nicholas Avenue'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
71th percentile

Out of 5008 buildings in this neighborhood, 3556 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
77.6%
No serious
violations
12.7%
Some violations
(1–9)
9.6%
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.

Bedbug infestations (past 7 years)

Units with documented bedbug infestations reported at this address over 7 years.

Building assessed value

The city's assessed value reflects building size and neighborhood — the model uses it as an additional size and location signal.

Neighborhood location

The model uses precise location as a proxy for neighborhood-level risk patterns — some blocks have systematically higher violation rates.

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 143 St Nicholas Avenue report

Building characteristics
Total units5
Floors3
Year built1931
Gross area3,080 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.

143 St Nicholas Ave, New York, NY 11237
386 Stockholm St, New York, NY 11237
Who's behind the building

143 St Nicholas Avenue'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
Mugen Group LLC
Address
418 Broadway ste N
Brooklyn, NY 11207
Landlord portfolio

Other properties owned.

Portfolio data hidden

Sign up to see all properties owned by this landlord, with risk grades for each.

Create free account
What residents say

Reviews from 143 St Nicholas Avenue tenants

Real experiences from people who have lived here. Share your honest feedback to help others make informed decisions.

Share your experience — Help other renters by leaving an honest review

Loading reviews…

On the map

Compare nearby alternatives

This building and nearby alternatives, color-coded by risk level. Click any marker to explore.

Buildings nearby
Loading…
The story over time

143 St Nicholas Avenue event timeline

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

2026
HPD Violation Jun 02
Class A violation
§ 27-2005 Hmc: Properly Repair Or Replace The Broken Or Defective Gasket At Refrigerator Door In The Kitchen Located At Apt 3L, 3Rd Story,…
HPD Violation Jun 02
Class C violation

See all 27 events

Full history back to 2014 — violations, complaints, permits, bedbug filings, and more.

Unlock full timeline
Every record we have

Full data for 143 St Nicholas Avenue apartments

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

Side by side

How 143 St Nicholas Avenue compares to the neighborhood

This building against comparable properties in Bushwick. Toggle filters to narrow the peer group.

Loading comparables…
Checking out an apartment?

Look up the next building before you sign

Most renters check three or four buildings. Search any NYC address free — no account needed to see the rating.

Simple pricing

Get the full picture

Every plan unlocks the complete report: all 30+ record sets, full history, landlord portfolio and court record, plus PDF & Excel exports.

Report Bundle

For the buildings you're deciding on right now

$10 one-time

~$3.33 per building. No subscription ever. Each credit unlocks one building's premium report for 30 days.

  • 3 full AI-powered reports
  • Download PDF reports
  • Advanced safety analysis
  • Compare multiple buildings
  • Credits never expire until you use them
  • Full public records (200 rows per dataset)
Buy 3 Reports — $10

Apartment Hunter

For a wide search across many buildings

$39 one-time

30 reports — ~$1.30 each. No subscription ever.

  • 30 full AI-powered reports
  • Download PDF reports
  • Advanced safety analysis
  • Compare multiple buildings
  • Credits never expire until you use them
  • Full public records (200 rows per dataset)
Buy 30 Reports — $39

Cancel anytime · Data sourced from NYC Open Data, HPD, DOB, DOF & the courts

Watch 143 St Nicholas Avenue
Get an email the moment a new violation or complaint is filed.