You've used all your free reports this month. Create a free account to keep checking buildings.
Create free account Log in
Free Building Background Check

3518 Flatlands Avenue

BROOKLYN, NY 11234 BBL 3076970046 2 units · 2 floors · 1934

Create a free account to view the full analysis for this building and 76 others nearby.

HPD violations vs. neighborhood
Class B/C violations on record vs. a typical building in Marine Park
? vs. avg
Fewer violations More violations

Sign in to see how this building compares to others in Marine Park.

Rent & eviction protection

Is 3518 Flatlands 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 1934
6 or more units
2 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 3518 Flatlands 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
70th percentile

Out of 76 buildings in this neighborhood, 53 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
82.6%
No serious
violations
12.5%
Some violations
(1–9)
4.9%
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.

Neighborhood location

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

Building assessed value

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

Individual ownership

Whether this building is registered to an individual owner rather than a corporate entity.

Building characteristics
Total units2
Floors2
Year built1934
Gross area1,300 sq ft
Building class
Tax abatementNone
Issue trend & model projection

Violations & complaints per year — solid line is historical record, dashed line is AI projection.

Who's behind the building

3518 Flatlands 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.

Joint Owner

Registered contact for this building.

Name
Donald Johnson
Address
630 E. 81St St
Brooklyn, NY 11236
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 3518 Flatlands 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…

You've reached your free report limit

Create a free account to view 5 buildings a month — no credit card needed.

Create free account Log in

Or see paid plans for unlimited access

Watch 3518 Flatlands Avenue
Get an email the moment a new violation or complaint is filed.