Free Building Background Check

4114 9 Avenue

BROOKLYN, NY 11232 BBL 3009230037 63 units · 6 floors · 1959

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 Borough Park
Above average
avg 10.2
187
Fewer violations More violations

This building has 187 recorded HPD violations, above the Borough Park average of 10.2.

Rent & eviction protection

Is 4114 9 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 1959
6 or more units
63 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
Initial analysis

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How we score buildings

How 4114 9 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
0th percentile

Out of 3285 buildings in this neighborhood, 0 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
0.3%
No serious
violations
8.9%
Some violations
(1–9)
90.8%
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.

Emergency violations (past 7 years)

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

Hazardous violations (past 7 years)

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

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 4114 9 Avenue report

Building characteristics
Total units63
Floors6
Year built1959
Gross area71,288 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.

4102 9th Ave, New York, NY 11232
4104 9th Ave, New York, NY 11232
4106 9th Ave, New York, NY 11232
4108 9th Ave, New York, NY 11232
4110 9th Ave, New York, NY 11232
4112 9th Ave, New York, NY 11232
874 41st St, New York, NY 11232
876 41st St, New York, NY 11232
878 41st St, New York, NY 11232
880 41st St, New York, NY 11232
882 41st St, New York, NY 11232
Who's behind the building

4114 9 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
Dartmouth Realty LP
Address
59-17 Junction Blvd baseme
Elmhurst, NY 11373
Landlord portfolio

Other properties owned.

Portfolio data hidden

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What residents say

Reviews from 4114 9 Avenue 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

4114 9 Avenue event timeline

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

2026
311 Call May 21
Indoor Air Quality
Chemical Vapors/Gases/Odors
311 Call Feb 10
Paint/Plaster

See all 31 events

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

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Every record we have

Full data for 4114 9 Avenue apartments

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

Side by side

How 4114 9 Avenue compares to the neighborhood

This building against comparable properties in Borough Park. 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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