5409th Avenue O
Building overview
Data as of Oct 1, 2026
Based on open violations, 311 complaint patterns, and amenities.
Compared to typical rent for this neighborhood and bedroom count.
Highlights
What's great about this place
- Pre-war characterBuilt in 1920
- Quieter than average for the neighborhood0 noise complaints in past year (vs 1 median)
Things to Know
Real considerations before you sign
- Open critical violations14 Class C (immediately hazardous)
- Top complaint type at this building7 heat complaints in past year
- Significant issues across building dataSee violation history below for details
About this building
A 3-story building located in Flatlands, containing 12 residential units. Built in 1920.
The Building DNA
Building Services
Unit Perks
The neighborhood: Flatlands
Brooklyn · 15,382 buildings tracked
Median asking rent: $2,711 1BR · $3,254 2BR
5 parks · 1.6 acres · incl. Fraser Square
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
- Water/Plumbing20
- Lead Paint18
- Safety12
Severity Key
- Class C: Immediately Hazardous (Major)
- Class B: Hazardous (Moderate)
- Class A: Non-Hazardous (Minor)
- Safety
C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE DOOR AND FRAME IN THE ENTRANCE LOCATED AT APT 11, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH
Date UnknownClass C - Structural
MAKE SAFE BY PROPERLY REPAIRING THE STRUCTURAL DEFECT SUBFLOOR IN THE KITCHEN LOCATED AT APT 10, 3rd STORY, 2nd APARTMENT FROM WEST AT NORTH
Date UnknownClass C - Safety
WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE MASONRY AT EGRESS STAIRS FROM 1ST STORY PUBLIC HALL TO WEST YARD
Sep 29, 2026Class C - Safety
FIRE ESCAPE DEFECTIVE. ADJUST THE DROPLADDER SO THAT IT WILL SLIDE EASILY IN THE GUIDE RODS DROP LADDER AT DOWN POSITION AT STACK AT NORTH YARD AT FIRE ESCAPE
Sep 29, 2026Class C - Electrical
OR REPLACE THE BROKEN OR DEFECTIVE WIRED GLASS PANES AT SKYLIGHT AT BULKHEAD AT PUBLIC HALL, 3rd STORY
Sep 29, 2026Class C
Market Value Estimate
Statistical estimate based on publicly available listing data. Not an appraisal. See disclaimer.Market data as of Oct 1, 2026.
Comp Matrix
| Unit Type | This Bldg | Area Avg | Diff. |
|---|---|---|---|
| Studio | — | $2,414 | — |
| 1 Bed | — | $2,711 | — |
| 2 Bed | — | $3,254 | — |
| 3+ Bed | — | $3,450 | — |
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
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 90 open HPD violations on record, including 14 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 616 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 $2,711/month for a one-bedroom.