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171 Court Street

310Records
14City systems
26Open violations
325.5Penalty rate

310 recorded events, 1975–2026, from 14 city data systems. The city's paper trail here is mostly 161 311 service requests, 52 HPD complaints, 37 HPD housing violations.

BoroughBrooklyn 11201
Built1900
Floors4
Res. units4
ClassS4
Owner (PLUTO)NU-COBBLE HILL HLDING CP
BBL3002800022
BIN3002852

Full record, year by year   Support this site

GRADE F

A sustained record of distress well beyond its peers. More recorded distress than 99% of 1-5-unit residential buildings citywide. The citywide median for 1-5-unit residential buildings is 0 penalty points per 10 units; this building carries 325.5. In ZIP 11201, 70% of residential buildings hold an A and 5% grade D or F. How grades work

this building
A
C

Among 699,345 1-5-unit residential buildings citywide · left is less recorded distress, right is more

Open with the city right now

Open HPD violations26 total — 5 class C (immediately hazardous), 7 class B, 14 class A. Oldest open since 2025-03-30.

status snapshot refreshed weekly from HPD records

Patterns

78 heat or hot-water complaints in the last three years (winter 2024–25: 5 · winter 2025–26: 32 · winter 2026–27: 9). Repeated winter clusters suggest a chronic heating problem.

5
’24–25
32
’25–26
9
’26–27

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

What 311 hears from this address

121 service requests in the last three years. Most common: HEAT/HOT WATER (38) · Noise (29) · Illegal Parking (10) · FLOORING/STAIRS (7) · General Construction/Plumbing (6) · Snow or Ice (3).

Filed construction activity

$94,000 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.

Rent-stabilization signals

YesBuilt before 1974 (1900)
NoSix or more residential units (4)
No421-a / J-51 tax benefit on the current tax roll

1 of 3 signals present. Only a partial profile — stabilization is possible but less likely. 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)NU Cobble Hill Holding Corporation
Head officerPaula DeJohn
Managing agentPaula DeJohn
Last registered2026-03-05

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

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$2,402,400 $1,081,080
2026$2,883,000 $1,297,350
2027$3,460,000 $1,557,000

The city's market estimate has risen 44% 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

SubwayBergen St — F G · 800 ft straight-line (about a 4-minute walk) · station accessibility: none
Borough Hall — 2 3 4 5 R · 0.3 mi straight-line (about an 8-minute walk) · station accessibility: partial
BusNearest boarding stop: Court St / Amity St — B57 · 150 ft
Citi BikeAmity St & Court St · 150 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 261 Zipporiah Mills. 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

171 Court 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

121 311 service requests from this address in the last three years — 38 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.

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $275,000 on 1983-04-29 (lender: Cobble Hill Holdingcorp), 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
1983-04-29Mortgage $275,000 — from NU-COBBLE HILL HLDGCORP to COBBLE HILL HOLDINGCORP $275,000

Ten-year activity

2001000
2017
2018
2019
2020
2021
2022
2023
2024
2025
163
2026
ConstructionEnforcementHousing & tenantsHealth & systems
Show as table
YearConstructionEnforcementHousing & tenantsHealth & systemsTotal
201720002
201820114
201910528
202000112
20210014115
20220015116
202300213
202400314
20250250153
20260111511163
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The full timeline

Construction 11Enforcement 29Housing & tenants 252Ownership & money 8Health & systems 10

Every one of the 310 recorded events, 1975–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 11201 · Landlord rankings · How grades work · The map · The Mice Map