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378 Sackett Street

108Records
11City systems
10Open violations
10.1Penalty rate

108 recorded events, 1966–2026, from 11 city data systems. The city's paper trail here is mostly 35 311 service requests, 32 HPD complaints, 14 HPD housing violations.

BoroughBrooklyn 11231
Built1920
Floors4
Res. units8
ClassC1
Owner (PLUTO)2023 O'CONNELL QSS TRUST
BBL3004290013
BIN3007062

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 60% 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 10.1. In ZIP 11231, 56% of residential buildings hold an A and 6% 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 violations10 total — 3 class C (immediately hazardous), 1 class B, 6 class A. Oldest open since 2019-11-17.

status snapshot refreshed weekly from HPD records

Patterns

2 heat or hot-water complaints in the last three years (winter 2025–26: 2).

1 bedbug-infested unit(s) reported in filings over the last three years.

What 311 hears from this address

10 service requests in the last three years. Most common: Curb Condition (2) · PLUMBING (2) · UNSANITARY CONDITION (2) · Noise (1) · Emergency Response Team (ERT) (1) · HEAT/HOT WATER (1).

Filed construction activity

No permitted work with a declared cost filed in the last decade. 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 (8)
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)MAURN SERVICE CORP.
Head officerGREG t O'CONNELL
Managing agentOC CONSTRUCTION GROUP, INC
Last registered2024-08-02

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

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$4,550,400 $2,047,680
2026$4,951,000 $2,227,950
2027$4,598,000 $2,069,100

The city's market estimate has risen 1% between tax years 2025 and 2027.

Flood exposure

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

Hurricane evacuation zone 6 of 6 — zone 1 evacuates first.

Not in the city's stormwater (cloudburst) flood maps under any modeled scenario.

1 street-flooding or sewer-backup complaints at this address since 2020 (0 in the last three years).

Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.

Getting around

SubwayCarroll St — F G · 450 ft straight-line (about a 2-minute walk) · station accessibility: none
BusNearest boarding stop: Smith St / Union St — B57 · 200 ft
Citi BikeDegraw St & Smith St · 350 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 032 Samuel Mills Sprole. 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

378 Sackett 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

10 311 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 O'C CONSTRUCTION GROUP INC — 26 buildings, 166 units. Grades across the portfolio: A12 · B8 · C4 · D1. See the whole portfolio

BuildingBoroughUnitsGrade
480 Van Brunt Street BK22 A
131 Columbia Street BK16 A
368 Van Brunt Street BK8 B
9 4 Place BK8 B
144 Conover Street BK8 B
134 Dikeman Street BK8 A
16 Tiffany Place BK8 A
81 4 Place BK8 B
471 Hicks Street BK8 A
378 Sackett Street BK8 A
376 Sackett Street BK8 A
45 Cheever Place BK8 B
151 5 Avenue BK6 B
183 Van Dyke Street BK5 A
168 Beard Street BK4 C
129 Columbia Street BK4 C
487 Hicks Street BK4 C
87 Summit Street BK4 C
485 Hicks Street BK4 A
138 Degraw Street BK4 D
432 Henry Street BK4 A
159A Columbia Street BK3 B
155 Sullivan Street BK2 A
167 Columbia Street BK2 B
153 Sullivan Street BK2 A
177 Dwight Street BK0 —

Sales, deeds & mortgages

DateRecordAmountPer res. unit
2025-03-03RPTT&RET $4,165,250 — from O'CONNELL, GREGORY to 2023 O'CONNELL QSS TRUST $4,165,250
2025-02-28Sold for $4,165,250 $4,165,250 $520,656

Ten-year activity

20100
2017
2018
16
2019
2020
2021
2022
2023
2024
2025
2026
EnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearEnforcementHousing & tenantsOwnership & moneyHealth & systemsTotal
201701001
201801001
20190150116
202014005
20210100010
202205005
202301001
202413004
202514207
20260120012
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The full timeline

Enforcement 9Housing & tenants 88Ownership & money 10Health & systems 1

Every one of the 108 recorded events, 1966–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 11231 · Landlord rankings · How grades work · The map · The Mice Map