3420th Avenue H
Building overview
Data as of Jul 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
- Quieter than average for the neighborhood0 noise complaints in past year (vs 1 median)
Things to Know
Real considerations before you sign
- Open critical violations7 Class C (immediately hazardous)
- Significant issues across building dataSee violation history below for details
About this building
A 6-story building located in Flatlands, containing 360 residential units. Built in 1950.
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
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
- Mold11
- Pests8
- Safety1
Severity Key
- Class C: Immediately Hazardous (Major)
- Class B: Hazardous (Moderate)
- Class A: Non-Hazardous (Minor)
- Safety
THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 3; WG TO REPLACE = 0; WG TO REPAIR = 0; LOCATED AT APT 5B, 5th STORY, 3rd APARTMENT FROM WEST AT NORTH
Jul 17, 2024Class C - Pests
ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1P, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH
Jan 11, 2022Class C - Pests
ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 6D, 6th STORY, 1st APARTMENT FROM SOUTH AT WEST
Oct 27, 2021Class C - Mold
THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... THE CEILING AND EAST WALL IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 2M, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST ORIGINAL VIOLATION 14355074 ISSUED 22-MAY-21 HAS BEEN UPGRADED TO CLASS C PER ADMINISTRATIVE CODE §27-2017.3a(5)(a) or (b).
Aug 3, 2021Class C - Pests
ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 2M, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST
May 28, 2021Class 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
MANSFIELD OWNERS INC MEDALLION REALESTAT E
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 20 open HPD violations on record, including 7 Class C (the city's most serious category).
- 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 1067 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.