349 12th Street
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
- Pre-war characterBuilt in 1910
- Quieter than average for the neighborhood0 noise complaints in past year (vs 1 median)
Things to Know
Real considerations before you sign
- Open critical violations23 Class C (immediately hazardous)
- Significant issues across building dataSee violation history below for details
About this building
A 4-story building located in Park Slope, containing 10 residential units. Built in 1910.
The neighborhood: South Slope
Brooklyn · 2,818 buildings tracked
Median asking rent: $3,688 1BR · $5,000 2BR
2 subway stations nearby
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
Higher than typical for this neighborhood (87 vs 1 average per building).
Top issues
- Safety22
- Pests13
- Structural12
Severity Key
- Class C: Immediately Hazardous (Major)
- Class B: Hazardous (Moderate)
- Class A: Non-Hazardous (Minor)
- General
AN ADEQUATE SUPPLY OF GAS TO THE FIXTURES AT RANGE IN THE KITCHEN LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM NORTH AT EAST
Date UnknownClass C - Window/Door
OR REPLACE THE BROKEN OR DEFECTIVE GLASS AT LOWER WINDOW SASH IN THE 4th ROOM FROM NORTH LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM NORTH AT EAST
Jun 16, 2026Class C - Pests
ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM NORTH AT EAST
May 4, 2026Class C - Safety
C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE LATCH SET IN THE ENTRANCE LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM NORTH AT EAST
Apr 28, 2026Class C - Window/Door
OR REPLACE THE BROKEN OR DEFECTIVE GLASS PANEL AT LOWER WINDOW AT SOUTH IN THE 3rd ROOM FROM NORTH LOCATED AT APT 1R, 1st STORY, 1st APARTMENT FROM NORTH AT EAST
Apr 28, 2026Class 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. |
|---|---|---|---|
| 1 Bed | — | $3,687.5 | — |
| 2 Bed | — | $5,000 | — |
| 3+ Bed | — | $6,400 | — |
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
BALZANO FLORA
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 87 open HPD violations on record, including 23 Class C (the city's most serious category). That's higher than typical for the neighborhood (1 average per building).
- 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 536 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 South Slope is about $3,688/month for a one-bedroom.