Park Slope
Family-friendly brownstone neighborhood with excellent Prospect Park access.
Park Slope Building Violation Profile
Measured from HPD violations and 311 complaints filed in the 12 months to September 2026, matched to this area's buildings. Use it to set expectations before you sign or hire.
Rodent complaints ran 8.6 per 1,000 apartments, close to the citywide 8.8.
Heat and hot water complaints in Park Slope ran 66.8 per 1,000 apartments over that year, below the citywide 125.7.
The median Park Slope apartment building went up in 1905, 77.8% of apartments sit in buildings from before 1940 (citywide 45.8%), and 71.5% are in buildings of five floors or fewer (citywide 37.1%).
Most common HPD issues in Park Slope
HPD issued 22 violations per 100 apartments in Park Slope over the 12 months to September 2026, below the citywide 30.1. Immediately hazardous Class C conditions ran 4.2 per 100 apartments against 9.2 citywide, and 47.4% of buildings recorded none.
Area figures describe 3,299 buildings holding 24,575 apartments, so check the specific address before you sign: one building's record can sit far from its neighborhood's average.
What the Records Show in Park Slope
Buildings in Park Slope averaged 22 HPD violations per 100 apartments over the 12 months to September 2026, below the citywide 30.1. Immediately hazardous Class C conditions ran 4.2 per 100 apartments against 9.2 citywide, and 47.4% of buildings recorded none at all.
| Measure | Park Slope | Citywide |
|---|---|---|
| Apartment buildings | 3,299 | 172,071 |
| Apartments | 24,575 | 2,846,490 |
| HPD violations per 100 apartments | 22 | 30.1 |
| Class C (immediately hazardous) per 100 | 4.2 | 9.2 |
| Buildings with no violations | 47.4% | 45.3% |
| Apartments in pre-1940 buildings | 77.8% | 45.8% |
| Apartments in buildings of 5 floors or fewer | 71.5% | 37.1% |
| Median year built | 1905 | n/a |
Figures cover buildings with three or more apartments in Park Slope, using HPD violations inspected in the 12 months to September 2026 and city lot records. Citywide figures use the same method. Search a specific address for that building’s own record.
Building Grades in Park Slope
3,311 apartment buildings in Park Slope were scored on October 8, 2026. 7.2% graded D or F, below the citywide 19.8%, and 81.9% graded A against 65.8% citywide. The average score was 91.8 out of 100.
Lowest-Scoring Buildings in Park Slope
| # | Building | Grade | Score | Open Class C | Open Class B | Open HPD cases | Flags |
|---|---|---|---|---|---|---|---|
| 1 | 713 Sackett Street11217 · 7 apartments · built 1920 | F | 0 | 35 | 93 | 0 | 30 heat complaints |
| 2 | 74 5 Avenue11217 · 6 apartments · built 1920 | F | 0 | 23 | 76 | 0 | none |
| 3 | 226 7 Avenue11215 · 6 apartments · built 1920 | F | 0 | 20 | 74 | 1 | 5 heat complaints |
| 4 | 105 4 Avenue11217 · 8 apartments · built 1931 | F | 0 | 17 | 103 | 0 | none |
| 5 | 294 5 Avenue11215 · 7 apartments · built 1920 | F | 0 | 24 | 23 | 2 | none |
| 6 | 154 7 Avenue11215 · 6 apartments · built 1921 | F | 0 | 13 | 28 | 0 | 10 heat complaints |
| 7 | 349 12 Street11215 · 10 apartments · built 1910 | F | 0 | 23 | 42 | 0 | none |
| 8 | 315 4 Avenue11215 · 6 apartments · built 1920 | F | 0 | 16 | 15 | 0 | AEP |
| 9 | 263 14 Street11215 · 20 apartments · built 1923 | F | 0 | 48 | 62 | 0 | 14 heat complaints |
| 10 | 230 St Johns Place11217 · 8 apartments · built 1884 | F | 0 | 20 | 18 | 0 | 129 heat complaints |
Rent-Stabilized Apartments in Park Slope
580 buildings here were billed the rent-stabilization fee for 4,285 apartments on the 2024 property tax bill. Among buildings billed in both years, the count fell 11.4% from 2018 to 2024. Check whether a specific building is on the list with the rent-stabilization checker.
| Building | Stabilized units 2018 | Stabilized units 2024 | Change |
|---|---|---|---|
| 461 Dean Street11217 | 363 | 183 | -180 |
| 304 10 Street11215 | 40 | 15 | -25 |
| 227 13 Street11215 | 26 | 5 | -21 |
| 78 Prospect Park West11215 | 33 | 15 | -18 |
| 483 4 Avenue11215 | 12 | 4 | -8 |
Scores use the formula on the methodology page, applied to every lot with three or more apartments; the table ranks buildings with six or more. Stabilized unit counts are building totals from the DOF tax bill, compiled by nycdb, and say nothing about any individual apartment. See the most distressed buildings in the borough.
Services in Park Slope
Each service page is tailored to Park Slope’s building stock and common violation patterns.
Violation-Linked Repairs
For when Park Slope buildings already have open violations
Pre-Lease & Investigation
Audit a Park Slope building before you commit
Move-In Essentials
For after you’ve checked the building
Building Stock & Character
Brownstones, limestone row houses, some apartment buildings
Family-oriented, stroller capital, great restaurants, progressive
F/G (7th Ave), R (4th Ave), 2/3 (Grand Army Plaza)
Expensive, competitive for families, parking difficult