308 Prospect Avenue
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
Things to Know
Real considerations before you sign
- Open critical violations11 Class C (immediately hazardous)
- Top complaint type at this building11 noise complaints in past year
- Higher noise than typical for the neighborhood11 noise complaints in past year (vs 1 median)
About this building
A 4-story building located in Windsor Terrace-South Slope, containing 8 residential units. Built in 1931.
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 (41 vs 1 average per building).
Top issues
- Lead Paint14
- Structural11
- Safety8
Severity Key
- Class C: Immediately Hazardous (Major)
- Class B: Hazardous (Moderate)
- Class A: Non-Hazardous (Minor)
- Lead Paint
CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) 1st WINDOW FRAME FROM SOUTH AT WEST WALL IN THE KITCHEN LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH
Apr 27, 2012Class C - Lead Paint
CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) BASEBOARD AT NORTH WALL, BASEBOARD AT SOUTH WALL, BASEBOARD AT EAST WALL, CEILING, 1st CLOSET FROM SOUTH AT WEST WALL DOOR FRAME, NORTH WALL, SOUTH WALL, EAST WALL, WEST WALL IN THE 3rd ROOM FROM EAST LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH
Apr 27, 2012Class C - Lead Paint
CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) 1st WINDOW FRAME FROM NORTH AT EAST WALL, 2nd WINDOW FRAME FROM NORTH AT EAST WALL IN THE 1st ROOM FROM EAST LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH
Apr 26, 2012Class C - Lead Paint
CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) 1st CLOSET FROM SOUTH AT WEST WALL DOOR IN THE 2nd ROOM FROM EAST LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH
Apr 26, 2012Class C - Lead Paint
CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) CEILING, 1st DOOR FRAME FROM WEST AT NORTH WALL IN THE PRIVATE HALLWAY LOCATED AT APT 2L, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH
Apr 26, 2012Class 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
ADDA REALTY 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 41 open HPD violations on record, including 11 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 11 noise complaints with 311 in the past year, above the neighborhood median of 1 among buildings with any noise complaints.
- How responsive is management to problems?
- Resolved violations at this building closed in about 191 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.