141 Union 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 1931
- Quieter than average for the neighborhood0 noise complaints in past year (vs 1 median)
Things to Know
Real considerations before you sign
- Significant issues across building dataSee violation history below for details
About this building
A 4-story building located in Carroll Gardens-Cobble Hill-Gowanus-Red Hook, containing 3 residential units. Built in 1931.
The neighborhood: Columbia St
Brooklyn · 564 buildings tracked
Median asking rent: $3,500 1BR · $4,498 2BR
8 parks · 6.8 acres · incl. Van Voorhees Playground
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
- Electrical4
- Safety2
Severity Key
- Class C: Immediately Hazardous (Major)
- Class B: Hazardous (Moderate)
- Class A: Non-Hazardous (Minor)
- Safety
ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS ENTRANCE STREET TO BLDG AT VESTIBULE TO 1 STY PUBLIC HALL
Oct 1, 2009Class B - Safety
ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS UPPER AND LOWER TO CELLAR STAIR ENCLOSURE
Oct 1, 2009Class B - Electrical
ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE CELLAR THRU OUT
Oct 1, 2009Class B - Electrical
M/D LAW ABATE THE NUISANCE CONSISTING OF EXPOSED ELECTRICAL WIRES AT CEILING OF FRONT WEST CELLAR
Oct 1, 2009Class B - Electrical
M/D LAW ABATE THE NUISANCE CONSISTING OF EXPOSED ELECTRICAL WIRES AT ELECTRIC METER PANEL WALL FRONT CELLAR
Oct 1, 2009Class B
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 | — | $3,500 | — |
| 2 Bed | — | $4,497.5 | — |
| 3+ Bed | — | $5,000 | — |
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
HAFFTKA, MICHAEL
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 6 open HPD violations on record, none in the city's most serious category (Class C).
- 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 278 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 Columbia St is about $3,500/month for a one-bedroom.