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94 Prospect Park West

1,024Records
14City systems
59Open violations
7.5Penalty rate
Brooklyn · ZIP 11215 · Neighborhood: Park Slope
Open in the map

1,024 recorded events, 1973–2026, from 14 city data systems. The city's paper trail here is mostly 486 311 service requests, 164 HPD complaints, 132 HPD housing violations.

BoroughBrooklyn 11215
Built1899
Floors4
Res. units30
ClassC1
Owner (PLUTO)100 PROSPECT PARK WEST REALTY CORP
BBL3010850037
BIN3025643, 3341918, 3341919

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 69% of 25-99-unit residential buildings citywide. The citywide median for 25-99-unit residential buildings is 23.6 penalty points per 10 units; this building carries 7.5. 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 17,252 25-99-unit residential buildings citywide · left is less recorded distress, right is more

Open with the city right now

Open HPD violations59 total — 9 class C (immediately hazardous), 50 class B, 0 class A. Oldest open since 1985-04-03.

status snapshot refreshed weekly from HPD records

Patterns

8 heat or hot-water complaints in the last three years (winter 2024–25: 8).

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

What 311 hears from this address

218 service requests in the last three years. Most common: Illegal Parking (195) · HEAT/HOT WATER (4) · Noise (2) · Lead (2) · Blocked Driveway (2) · Street Light Condition (1).

Filed construction activity

$38,000 in permitted construction work filed since 2016 (1 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 (1899)
YesSix or more residential units (30)
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)NIKKO MANAGEMENT ASSOC INC
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$4,022,000 $1,809,900
2026$4,244,000 $1,909,800
2027$4,058,000 $1,826,100

The city's market estimate has risen 1% 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

Subway7 Av — F G · 0.2 mi straight-line (about a 6-minute walk) · station accessibility: full
BusNearest boarding stop: Prospect Park West / 9 St — B61 · 0.2 mi
Citi Bike3 St & Prospect Park West · 600 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 039 Henry Bristow. 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

94 Prospect Park West

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

218 311 service requests from this address in the last three years — 4 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: $2,152,935 on 2018-08-29 (lender: Gold Coast Bank), covering 2 lots — the amount covers all of them. Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2018-08-29AL&R $8,885,000 — from NIKKO MANAGEMENT ASSOCIATES INC.; 100 PROSPECT PARK WEST REALTY CORP. to GOLD COAST BANK $8,885,000
2018-08-29AL&R $8,885,000 — from NIKKO MANAGEMENT ASSOCIATES INC.; 100 PROSPECT PARK WEST REALTY CORP. to GOLD COAST BANK $8,885,000
2018-08-29Mortgage $2,152,936 — from NIKKO MANAGEMENT ASSOCIATES INC.; 100 PROSPECT PARK WEST REALTY CORP. to GOLD COAST BANK $2,152,936
2018-08-29Mortgage $2,152,936 — from NIKKO MANAGEMENT ASSOCIATES INC.; 100 PROSPECT PARK WEST REALTY CORP. to GOLD COAST BANK $2,152,936
2018-08-29Mortgage $2,152,936 — from NIKKO MANAGEMENT ASSOCIATES INC.; 100 PROSPECT PARK WEST REALTY CORP. to GOLD COAST BANK $2,152,936
2018-08-29AL&R $8,885,000 — from NIKKO MANAGEMENT ASSOCIATES INC.; 100 PROSPECT PARK WEST REALTY CORP. to GOLD COAST BANK $8,885,000
2018-08-29Agreement $8,885,000 — from NIKKO MANAGEMENT ASSOCIATES INC.; 100 PROSPECT PARK WEST REALTY CORP. to GOLD COAST BANK $8,885,000
2018-08-29Agreement $8,885,000 — from NIKKO MANAGEMENT ASSOCIATES INC.; 100 PROSPECT PARK WEST REALTY CORP. to GOLD COAST BANK $8,885,000
2018-08-29Agreement $8,885,000 — from NIKKO MANAGEMENT ASSOCIATES INC.; 100 PROSPECT PARK WEST REALTY CORP. to GOLD COAST BANK $8,885,000
2015-01-09AL&R $7,300,000 — from 100 PROSPECT PARK WEST REALTY CORP.; NIKKO MANAGEMENT ASSOCIATES INC. to CAPITAL ONE, NATIONAL ASSOCIATION $7,300,000
2015-01-09Agreement $7,300,000 — from NIKKO MANAGEMENT ASSOCIATES INC.; 100 PROSPECT PARK WEST REALTY CORP. to CAPITAL ONE, NATIONAL ASSOCIATION $7,300,000
2015-01-09Mortgage $2,571,081 — from NIKKO MANAGEMENT ASSOCIATES INC.; 100 PROSPECT PARK WEST REALTY CORP. to CAPITAL ONE, NATIONAL ASSOCIATION $2,571,081
2012-01-06AL&R $5,000,000 — from NIKKO MANAGEMENT ASSOCIATES INC.; 100 PROSPECT PARK WEST REALTY CORP. to CAPITAL ONE, NATIONAL ASSOCIATION $5,000,000
2012-01-06Mortgage $1,815,456 — from 100 PROSPECT PARK WEST REALTY CORP.; NIKKO MANAGEMENT ASSOCIATES INC. to CAPITAL ONE, NATIONAL ASSOCIATION $1,815,456
2012-01-06Agreement $5,000,000 — from NIKKO MANAGEMENT ASSOCIATES INC.; 100 PROSPECT PARK WEST REALTY CORP. to CAPITAL ONE, NATIONAL ASSOCIATION $5,000,000

Ten-year activity

100500
2017
2018
2019
2020
2021
90
2022
2023
2024
2025
2026
EnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearEnforcementHousing & tenantsOwnership & moneyHealth & systemsTotal
201701301023
2018135152677
201903001040
2020080412
20210620365
20220832590
20230380341
20240780381
20250770380
20260780684
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The full timeline

Construction 39Enforcement 33Housing & tenants 800Ownership & money 79Health & systems 73

Every one of the 1,024 recorded events, 1973–2026, 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