How well maintained is this building?

There are 48 open HPD violations on record, including 12 Class C (the city's most serious category).

Is this building rent-stabilized?

Yes — this building appears on the DHCR rent-stabilized building list. Ask the landlord to confirm whether a specific apartment is stabilized.

How noisy is this building?

Neighbors filed 0 noise complaints with 311 in the past year — none on record for this building.

How responsive is management to problems?

Resolved violations at this building closed in about 646 days on average (NYC average is roughly 45 days). Open items are listed in the Safety & Violations section above.

What does it cost to live here?

We don't have current listings for this building. Typical asking rent in Flatlands is about $2,668/month for a one-bedroom.

5409th Avenue O

Flatlands·Brooklyn

🔴12 Pest Alerts

⚪Pre-War

Scroll for details

Violation & building data

Violation data updated Jul 1

Sources: NYC Department of Buildings, NYC Housing Preservation & Development +1 more

Building overview

Area Avg$2,6681-bed neighbourhood

Value—needs listing data

Violations12 critical

BuildingWalk-up

Data as of Jul 1, 2026

Building Quality

How is this calculated?

0.0/ 10Significant Issues

Based on open violations, 311 complaint patterns, and amenities.

Unit Value

How is this calculated?

Limited data — verify with a tour.

Compared to typical rent for this neighborhood and bedroom count.

Highlights

What's great about this place

Pre-war character
Built in 1920
Quieter than average for the neighborhood
0 noise complaints in past year (vs 1 median)

Things to Know

Real considerations before you sign

Open critical violations
12 Class C (immediately hazardous)
Top complaint type at this building
7 heat complaints in past year
Significant issues across building data
See violation history below for details

How we pick these

Neighbourhood mapOpen in Google Maps

About this building

A 3-story building located in Flatlands, containing 12 residential units. Built in 1920.

The Building DNA

Building Services

Elevator

Doorman

Laundry in building

Gym

Parking

Pet-friendly

Unit Perks

In-unit laundry

Dishwasher

High-speed internet

Central A/C

Neighborhood

Flatlands →

The neighborhood: Flatlands

Brooklyn · 15,382 buildings tracked

Median asking rent: $2,668 1BR · $3,187 2BR

5 parks · 1.6 acres · incl. Fraser Square

Full Flatlands guide

Available Units

0 active

No past listings.

Past and off-market units will appear here when data is available.

Safety & Violations

Safety Record

Active Violations

Open HPD violations on record for this building.

Top issues

Pests12
Lead Paint9
Water/Plumbing9

Severity Key

Class C: Immediately Hazardous (Major)
Class B: Hazardous (Moderate)
Class A: Non-Hazardous (Minor)

Show Critical Only (Class C)

Pests
ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH
May 11, 2026Class C
Pests
ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 12, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH
Apr 2, 2026Class C
Pests
ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 10, 3rd STORY, 2nd APARTMENT FROM WEST AT NORTH
Apr 1, 2026Class C
Pests
ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 10, 3rd STORY, 2nd APARTMENT FROM WEST AT NORTH
Apr 1, 2026Class C
Lead Paint
CERTIFY COMPLIANCE WITH LEAD-BASED PAINT HAZARD CONTROL REQUIREMENTS DURING PERIOD OF UNIT VACANCY BY PERFORMING ACTIVITIES NECESSARY TO ABATE TESTED LEAD-BASED PAINT FROM REQUIRED WINDOW AND/OR DOOR FRICTION SURFACES FOR APARTMENT AND MAKE FLOORS SMOOTH AND CLEANABLE, POSITIVE LEAD-BASED PAINT IN AN APARTMENT WITH A CHILD UNDER SIX LOCATED AT APT 3, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH
Dec 11, 2025Class C

Market Value Estimate

Statistical estimate based on publicly available listing data. Not an appraisal. See disclaimer.Market data as of Jul 1, 2026.

Comp Matrix

Unit Type	This Bldg	Area Avg	Diff.
Studio	—	$2,414	—
1 Bed	—	$2,668	—
2 Bed	—	$3,187	—
3+ Bed	—	$3,200	—

Value Verdict

Insufficient listing or market data to compute a verdict for this building.

Rent vs. Buy Analysis

No listing data available to estimate rent vs. buy.

Management & Operations

Management & Performance

Owner/Operator

5409 HOLDINGS LLC

Responsiveness Score

646days

Average time to resolve violations

Slower than NYC average (45 days)

We haven't verified this building's policies yet. Pet, utility, and leasing details appear here once we've reviewed the management company's official site — we only show policies we can source, never assumptions.

Living here — quick answers

Every answer comes from public records for this specific building — we skip questions we can't answer with data.

How well maintained is this building?: There are 48 open HPD violations on record, including 12 Class C (the city's most serious category).
Is this building rent-stabilized?: Yes — this building appears on the DHCR rent-stabilized building list. Ask the landlord to confirm whether a specific apartment is stabilized.
How noisy is this building?: Neighbors filed 0 noise complaints with 311 in the past year — none on record for this building.
How responsive is management to problems?: Resolved violations at this building closed in about 646 days on average (NYC average is roughly 45 days). Open items are listed in the Safety & Violations section above.
What does it cost to live here?: We don't have current listings for this building. Typical asking rent in Flatlands is about $2,668/month for a one-bedroom.

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