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767 Union Street

206Records
12City systems
20Open violations
2Penalty rate
Brooklyn · ZIP 11215 · Neighborhood: Park Slope
Open in the map

206 recorded events, 1981–2026, from 12 city data systems. The city's paper trail here is mostly 45 311 service requests, 38 ACRIS deeds & mortgages, 35 HPD complaints.

BoroughBrooklyn 11215
Built1920
Floors4
Res. units10
ClassC1
Owner (PLUTO)767 UNION ST LLC
BBL3009530064
BIN3019819

Full record, year by year   Support this site

GRADE A

The city's published records show little recorded distress here in the last three years. Less recorded distress than 83% 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 2. In ZIP 11215, 70% of residential buildings hold an A and 4% grade D or F. How grades work

this building
A
B
C

Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more

Open with the city right now

Open HPD violations20 total — 3 class C (immediately hazardous), 15 class B, 2 class A. Oldest open since 2006-06-09.

status snapshot refreshed weekly from HPD records

Patterns

2 heat or hot-water complaints in the last three years (winter 2023–24: 2).

No bedbug-infested units reported in the last three years of filings.

What 311 hears from this address

9 service requests in the last three years. Most common: Lead (4) · Overgrown Tree/Branches (3) · HEAT/HOT WATER (1) · Abandoned Vehicle (1).

Filed construction activity

$220,600 in permitted construction work filed since 2016 (6 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.

Rent-stabilization signals

YesBuilt before 1974 (1920)
YesSix or more residential units (10)
No421-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 with HPD — the names behind the building

Registered owner(s)767 UNION STREET LLC
Head officerNICHOLAS G KOTSONIS
Managing agentKOTSONIS ORGANIZATION LLC
Last registered2025-10-11

as filed by the owner in the building's HPD registration

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$3,468,000 $1,560,600
2026$4,162,000 $1,872,900
2027$3,330,000 $1,498,500

The city's market estimate has fallen 4% between tax years 2025 and 2027.

Building systems

Heating fuelNATURALGAS

Flood exposure

Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).

Not in a hurricane evacuation zone.

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.

Getting around

SubwayUnion St — R · 0.2 mi straight-line (about a 6-minute walk) · station accessibility: none
7 Av — B Q · 0.3 mi straight-line (about a 9-minute walk) · station accessibility: none
BusNearest boarding stop: 5 Av / Union St — B63 · 400 ft
Citi BikeBerkeley Pl & 6 Ave · 200 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.

Report a problem to 311

767 Union Street

Heat or hot waterHeat or hot water
Apartment maintenanceApartment maintenance
Bed bugsBed bugs
Residential pestsResidential pests
Rats or miceRats or mice
Anything elseAnything else

9 311 service requests from this address in the last three years — 1 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.

The landlord's report card

Managed by KOTSONIS ORGANIZATION LLC. — 27 buildings, 239 units. Grades across the portfolio: A20 · B6 · C1. See the whole portfolio

BuildingBoroughUnitsGrade
94 Prospect Park West BK30 A
594 6 Street BK16 B
101 Prospect Park West BK10 A
767 Union Street BK10 A
549 Bergen Street BK10 B
770 Union Street BK9 B
886 Union Street BK9 B
392 Prospect Avenue BK8 A
693 Union Street BK8 A
873 Union Street BK8 A
845 President Street BK8 A
195 5 Avenue BK8 A
896 Union Street BK8 B
768 Union Street BK8 A
298 1 Street BK8 A
898 Union Street BK8 B
664 6 Avenue BK8 A
695 Union Street BK8 A
800 President Street BK8 A
134 29 Street BK8 A
832 Union Street BK7 A
74 Douglass Street BK7 A
248 5 Avenue BK7 A
21 Sterling Place BK6 A
633 10 Street BK6 A
287 19 Street BK5 A
287 6 Avenue BK3 C

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $814,891 on 2018-06-06 (lender: JPMorgan Chase Bank, N.A.). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2018-06-06Agreement $2,475,000 — from 767 UNION STREET, LLC to JPMORGAN CHASE BANK, N.A. $2,475,000
2018-06-06Mortgage $814,892 — from 767 UNION STREET, LLC to JPMORGAN CHASE BANK, N.A. $814,892
2014-05-07Mortgage $626,914 — from 767 UNION STREET LLC; 767 UNION STREET, LLC to CARVER FEDERAL SAVINGS BANK $626,914
2014-05-07Agreement $1,800,000 — from 767 UNION STREET, LLC; 767 UNION STREET LLC to CARVER FEDERAL SAVINGS BANK $1,800,000
2014-05-07AL&R $1,800,000 — from 767 UNION STREET LLC; 767 UNION STREET, LLC to CARVER FEDERAL SAVINGS BANK $1,800,000
2009-08-07Mortgage $322,299 — from 767 UNION STREET, LLC to CAPITAL ONE, N.A. $322,299
2009-08-07Agreement $1,250,000 — from 767 UNION STREET, LLC to CAPITAL ONE, N.A. $1,250,000
2009-08-07AL&R $1,250,000 — from 767 UNION STREET, LLC to CAPITAL ONE, N.A. $1,250,000
2004-09-23Mortgage $757,990 — from 767 UNION STREET, LLC to WASHINGTON MUTUAL BANK, FA $757,990
2004-09-23Agreement $1,000,000 — from 767 UNION STREET, LLC to WASHINGTON MUTUAL BANK, FA $1,000,000
2004-09-23Agreement $1,000,000 — from 767 UNION STREET, LLC to WASHINGTON MUTUAL BANK, FA $1,000,000
1999-10-19Mortgage $262,500 — from 767 UNION STREET LLC to ASTORIA FEDERAL SAVINGS AND LOAN ASSOCIA $262,500
1990-10-10Mortgage $48,000 — from 767 UNION ST ASSOCIATES to INDEPENDENCE SAVS BANK $48,000
1988-04-15Mortgage $45,000 — from 767 UNION ST ASSOC to GARDENIA REALTY ASSOC $45,000
1988-04-15Mortgage $160,000 — from 767 UNION ST ASSOCIATES to INDEPENDENCE SAVS BANK $160,000

Ten-year activity

50250
2017
2018
2019
2020
35
2021
2022
2023
2024
2025
2026
ConstructionHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearConstructionHousing & tenantsOwnership & moneyHealth & systemsTotal
201704004
2018034310
201930014
202062019
202111701735
202203036
20230150116
202404026
202505016
202605016
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The full timeline

Construction 20Enforcement 1Housing & tenants 115Ownership & money 38Health & systems 32

Every one of the 206 recorded events, 1981–2026, 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