548 recorded events, 1966–2026, from 15 city data systems. The city's paper trail here is mostly 191 HPD housing violations, 141 311 service requests, 123 HPD complaints.
Full record, year by year Support this site
A sustained record of distress well beyond its peers. More recorded distress than 99% of 6-24-unit residential buildings citywide. The citywide median for 6-24-unit residential buildings is 16.3 penalty points per 10 units; this building carries 1013.7. In ZIP 11217, 60% of residential buildings hold an A and 6% grade D or F. How grades work
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 162 total — 38 class C (immediately hazardous), 93 class B, 31 class A. Oldest open since 2021-10-20. |
status snapshot refreshed weekly from HPD records
113 heat or hot-water complaints in the last three years (winter 2023–24: 10 · winter 2024–25: 22 · winter 2025–26: 81). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
84 service requests in the last three years. Most common: HEAT/HOT WATER (46) · WATER LEAK (10) · UNSANITARY CONDITION (10) · PAINT/PLASTER (6) · PLUMBING (4) · DOOR/WINDOW (2).
$981,498 in permitted construction work filed since 2016 (10 filings with a declared cost) — a rough measure of how actively the owner maintains the building. Permit costs cover filed construction work only — they do not capture routine maintenance or repairs done without a permit.
| Yes | Built before 1974 (1920) |
| Yes | Six or more residential units (7) |
| No | 421-a / J-51 tax benefit on the current tax roll |
2 of 3 signals present. This is the classic profile of a rent-stabilized building (pre-1974, 6+ units) — many units in such buildings remain stabilized. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).
| Registered owner(s) | SACKETT SLOPE 713 LLC |
| Head officer | MICHAEL GATZONIS |
| Managing agent | EVI GATZONIS |
| Last registered | 2022-09-17 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $2,766,000 | $1,244,700 |
| 2026 | $2,345,000 | $1,055,250 |
| 2027 | $2,718,000 | $1,223,100 |
The city's market estimate has fallen 2% between tax years 2025 and 2027.
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Hurricane evacuation zone 5 of 6 — zone 1 evacuates first.
Not in the city's stormwater (cloudburst) flood maps under any modeled scenario.
No street-flooding or sewer-backup complaints on record at this address.
Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.
| Subway | Union St — R · 750 ft straight-line (about a 4-minute walk) · station accessibility: none Bergen St — 2 3 · 0.3 mi straight-line (about a 9-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: 5 Av / Union St — B63 · 250 ft |
| Citi Bike | Berkeley Pl & 6 Ave · 600 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 282 Park Slope. Confirm with the DOE's school search. |
Distances are straight-line, not walking routes. Transit locations from the MTA and Citi Bike, bike facilities from NYC DOT, school zones from the DOE's 2024–25 maps.
713 Sackett Street
| Heat or hot water | Heat or hot water |
| Apartment maintenance | Apartment maintenance |
| Bed bugs | Bed bugs |
| Residential pests | Residential pests |
| Rats or mice | Rats or mice |
| Anything else | Anything else |
84 311 service requests from this address in the last three years — 46 of them about heat or hot water.
311 will ask for the address, the apartment if the problem is inside, and what's wrong. Contact details are optional for most complaints; food-poisoning reports can be anonymous. Complaints appear in the city's public 311 data, usually within a day or two, and then in the Live from 311 box on this page.
Most recent mortgage recorded against this lot: $533,400 on 2026-06-24 (lender: Accolend LLC). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-06-24 | Mortgage $533,400 — from 713 SACKETT CONDOS DEVELOPMENT LLC to ACCOLEND LLC | $533,400 | |
| 2026-06-24 | AL&R $533,400 — from 713 SACKETT CONDOS DEVELOPMENT LLC to ACCOLEND LLC | $533,400 | |
| 2026-06-01 | Agreement $1,400,000 — from 713 SACKETT CONDOS DEVELOPMENT LLC to ACCOLEND LLC | $1,400,000 | |
| 2026-06-01 | AL&R $1,400,000 — from 713 SACKETT CONDOS DEVELOPMENT LLC to ACCOLEND LLC | $1,400,000 | |
| 2026-06-01 | Mortgage $350,000 — from 713 SACKETT CONDOS DEVELOPMENT LLC to BENZION FRANKEL P.C., AS NOMINEE | $350,000 | |
| 2026-06-01 | Mortgage $1,050,000 — from 713 SACKETT CONDOS DEVELOPMENT LLC to BENZION FRANKEL P.C., AS NOMINEE | $1,050,000 | |
| 2025-08-15 | AL&R $1,050,000 — from 713 SACKETT CONDOS DEVELOPMENT LLC to BENZION FRANKEL P.C., AS NOMINEE | $1,050,000 | |
| 2025-08-15 | Agreement $1,400,000 — from 713 SACKETT CONDOS DEVELOPMENT LLC to BENZION FRANKEL P.C., AS NOMINEE | $1,400,000 | |
| 2025-08-15 | Deed $1,667,000 — from SACKETT SLOPE 713, LLC to 713 SACKETT CONDOS DEVELOPMENT LLC | $1,667,000 | |
| 2025-08-05 | Sold for $1,667,000 | $1,667,000 | $238,143 |
| 2021-04-26 | Deed $1,339,325 — from CASTELLANO, LUCIA MARIA to SACKETT SLOPE 713 LLC | $1,339,325 | |
| 2021-04-26 | Mortgage $1,400,000 — from SACKETT SLOPE 713 LLC to RE PROS LLC | $1,400,000 | |
| 2021-04-13 | Sold for $1,339,325 | $1,339,325 | $191,332 |
| 2007-11-05 | Deed $1,050,000 — from MERLINO, ANTOINETTE; VIOLA, VIRGINIA to CASTELLANO, LUCIA MARIA | $1,050,000 | |
| 2007-11-05 | Mortgage $630,000 — from CASTELLANO, LUCIA M to FLUSHING SAVINGS BANK, FSB | $630,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 2 | 20 | 0 | 0 | 22 |
| 2018 | 0 | 1 | 1 | 0 | 5 | 7 |
| 2019 | 0 | 0 | 9 | 0 | 3 | 12 |
| 2020 | 0 | 0 | 2 | 0 | 1 | 3 |
| 2021 | 0 | 0 | 30 | 5 | 2 | 37 |
| 2022 | 0 | 0 | 24 | 0 | 1 | 25 |
| 2023 | 0 | 0 | 42 | 0 | 0 | 42 |
| 2024 | 0 | 1 | 88 | 1 | 2 | 92 |
| 2025 | 3 | 1 | 192 | 8 | 0 | 204 |
| 2026 | 20 | 2 | 49 | 9 | 2 | 82 |
Every one of the 548 recorded events, 1966–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11217 · Landlord rankings · How grades work · The map · The Mice Map