Free Building Background Check

666 6 Avenue

Brooklyn, NY 11215 BBL 3008850046 8 units · 4 floors · 1931

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 Sunset Park
Above average
avg 11.4
13
Fewer violations More violations

This building has 13 recorded HPD violations, above the Sunset Park average of 11.4.

Rent & eviction protection

Is 666 6 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
8 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.

Good Cause Eviction

Is 666 6 Avenue covered by Good Cause Eviction?

New York's Good Cause Eviction law (effective April 20, 2024) gives many market-rate tenants the right to renew their lease and challenge rent hikes above the annual local rent standard. It doesn't apply to every building.

Likely covered. Based on public records, market-rate units here appear to fall under Good Cause Eviction protections — tenants may have the right to a lease renewal and to challenge rent increases above the local rent standard (inflation + 5%, capped at 10%).
Built before 2009
Yes
Landlord owns 11+ units
111 units across 12 bldgs
Not owner-occupied
No owner-occupancy

Good Cause also excludes condos & co-ops, subsidized/regulated housing, and units renting above 245% of Fair Market Rent — signals we can't always confirm from public data. Not legal advice. Learn more at nyc.gov or call 311 for the Tenant Helpline.

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How we score buildings

How 666 6 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
9th percentile

Out of 2851 buildings in this neighborhood, 257 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
9.5%
No serious
violations
65.2%
Some violations
(1–9)
25.4%
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.

Serious violations last 1–2 years

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

Tenant HPD complaints (past 7 years)

Formal complaints tenants filed with HPD about this address over the last 7 years.

Number of apartments

The number of residential units affects how the model interprets complaint and violation totals — more units means more potential sources.

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:

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What's in the 666 6 Avenue report

Building characteristics
Total units8
Floors4
Year built1931
Gross area4,988 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

666 6 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.

Address
621 Degraw St #
Brooklyn, NY 11217
Landlord portfolio

Other properties owned.

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What residents say

Reviews from 666 6 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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Buildings nearby
8 found
The story over time

666 6 Avenue event timeline

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

2026
Permit Jul 23
Renewal Permit Without Changes · Sidewalk Shed
Permit Issued
Bedbug Filing May 11
Bedbug report filed

See all 30 events

Full history back to 2003 — violations, complaints, permits, bedbug filings, and more.

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Every record we have

Full data for 666 6 Avenue apartments

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

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How 666 6 Avenue compares to the neighborhood

This building against comparable properties in Sunset 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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