144 recorded events, 1988–2026, from 12 city data systems. The city's paper trail here is mostly 43 311 service requests, 16 DOB permits, 16 rodent inspections.
Full record, year by year Support this site
The city's published records show little recorded distress here in the last three years. Less recorded distress than 70% 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 6.3. In ZIP 11215, 70% of residential buildings hold an A and 4% 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 | 1 total — 0 class C (immediately hazardous), 0 class B, 1 class A. Oldest open since 1988-04-06. |
status snapshot refreshed weekly from HPD records
4 heat or hot-water complaints in the last three years (winter 2025–26: 2).
No bedbug-infested units reported in the last three years of filings.
7 service requests in the last three years. Most common: Noise (2) · HEAT/HOT WATER (2) · Sidewalk Condition (2) · Illegal Parking (1).
$129,000 in permitted construction work filed since 2016 (3 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 (8) |
| 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) | 693 UNION STREET LLC |
| Head officer | NICHOLAS G KOTSONIS |
| Managing agent | KOTSONIS ORGANIZATION LLC. |
| Last registered | 2025-10-11 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $2,503,200 | $1,126,440 |
| 2026 | $3,004,000 | $1,351,800 |
| 2027 | $2,832,000 | $1,274,400 |
The city's market estimate has risen 13% between tax years 2025 and 2027.
| Heating fuel | NO2FUEL |
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 · 350 ft straight-line (about a 2-minute walk) · station accessibility: none Bergen St — 2 3 · 0.4 mi straight-line (about an 11-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: 5 Av / Union St — B63 · 450 ft |
| Citi Bike | Union St & 4 Ave · 300 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.
693 Union 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 |
7 311 service requests from this address in the last three years — 2 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.
Managed by KOTSONIS ORGANIZATION LLC. — 27 buildings, 239 units. Grades across the portfolio: A20 · B6 · C1. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 94 Prospect Park West | BK | 30 | A |
| 594 6 Street | BK | 16 | B |
| 101 Prospect Park West | BK | 10 | A |
| 767 Union Street | BK | 10 | A |
| 549 Bergen Street | BK | 10 | B |
| 770 Union Street | BK | 9 | B |
| 886 Union Street | BK | 9 | B |
| 392 Prospect Avenue | BK | 8 | A |
| 693 Union Street | BK | 8 | A |
| 873 Union Street | BK | 8 | A |
| 845 President Street | BK | 8 | A |
| 195 5 Avenue | BK | 8 | A |
| 896 Union Street | BK | 8 | B |
| 768 Union Street | BK | 8 | A |
| 298 1 Street | BK | 8 | A |
| 898 Union Street | BK | 8 | B |
| 664 6 Avenue | BK | 8 | A |
| 695 Union Street | BK | 8 | A |
| 800 President Street | BK | 8 | A |
| 134 29 Street | BK | 8 | A |
| 832 Union Street | BK | 7 | A |
| 74 Douglass Street | BK | 7 | A |
| 248 5 Avenue | BK | 7 | A |
| 21 Sterling Place | BK | 6 | A |
| 633 10 Street | BK | 6 | A |
| 287 19 Street | BK | 5 | A |
| 287 6 Avenue | BK | 3 | C |
Most recent mortgage recorded against this lot: $341,308 on 2022-11-15 (lender: Alma Bank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2022-11-15 | Agreement $2,425,000 — from 693 UNION STREET LLC to ALMA BANK | $2,425,000 | |
| 2022-11-15 | Mortgage $341,309 — from 693 UNION STREET LLC to ALMA BANK | $341,309 | |
| 2017-08-23 | Mortgage $1,097,711 — from 693 UNION STREET LLC to DIME COMMUNITY BANK | $1,097,711 | |
| 2017-08-23 | AL&R $2,325,000 — from 693 UNION STREET LLC to DIME COMMUNITY BANK | $2,325,000 | |
| 2017-08-23 | Agreement $2,325,000 — from 693 UNION STREET LLC to DIME COMMUNITY BANK | $2,325,000 | |
| 2013-02-26 | Deed $2,000,000 — from GIGLIELLO, JAMES to 693 UNION STREET LLC | $2,000,000 | |
| 2013-02-26 | Mortgage $1,350,000 — from 693 UNION STREET LLC to INVESTORS BANK | $1,350,000 | |
| 2013-02-26 | AL&R $1,350,000 — from 693 UNION STREET LLC to INVESTORS BANK | $1,350,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 1 | 1 | 1 | 5 | 0 | 8 |
| 2018 | 8 | 0 | 13 | 0 | 3 | 24 |
| 2019 | 0 | 0 | 21 | 0 | 1 | 22 |
| 2020 | 0 | 0 | 2 | 0 | 1 | 3 |
| 2021 | 0 | 0 | 8 | 0 | 1 | 9 |
| 2022 | 0 | 0 | 8 | 4 | 1 | 13 |
| 2023 | 0 | 0 | 2 | 0 | 2 | 4 |
| 2024 | 0 | 0 | 3 | 0 | 1 | 4 |
| 2025 | 0 | 0 | 2 | 0 | 1 | 3 |
| 2026 | 0 | 0 | 10 | 0 | 2 | 12 |
Every one of the 144 recorded events, 1988–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11215 · Landlord rankings · How grades work · The map · The Mice Map