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Free Building Background Check

2209 Knapp Street

BROOKLYN, NY 11229 BBL 3088210001 48 units · 6 floors · 1951

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

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Rent & eviction protection

Is 2209 Knapp 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 1951
6 or more units
48 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
AI summary · updated June 2026

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How we score buildings

How 2209 Knapp 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
10th percentile

Out of 20 buildings in this neighborhood, 2 have a higher predicted risk.

RiskiestSafest
Predicted violation outcome
9.6%
No serious
violations
62.3%
Some violations
(1–9)
28.1%
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.

311 housing calls (past 7 years)

311 calls from or about this address logged as housing-related over 7 years.

Tenant HPD complaints (past 7 years)

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

Building size

Total residential square footage — a proxy for building scale and the number of systems (plumbing, HVAC, etc.) that can fail.

Building characteristics
Total units48
Floors6
Year built1951
Gross area174,580 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.

2229 Knapp St, New York, NY 11229
2230 Plumb 1st St, New York, NY 11229
3142 Avenue V, New York, NY 11229
2302 Gerritsen Ave, New York, NY 11229
2212 Plumb 1st St, New York, NY 11229
3122 Avenue V, New York, NY 11229
2209 Knapp St, New York, NY 11229
Who's behind the building

2209 Knapp 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
Brigham Park Sec 1
Address
50 West 17Th Street
New York, NY 10011
Landlord portfolio

Other properties owned.

Portfolio data hidden

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What residents say

Reviews from 2209 Knapp Street 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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