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Building report

9 4 Place · Brooklyn · BBL 3003700052 · generated 2026-10-20 · FREE

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Where the penalty points come from

ComponentWhat it coversPoints
Housing codeHPD violations by class, complaints, emergency repairs, litigation, vacate orders, AEP22.4
Structural & safetyDOB violations, ECB/OATH violations by class0
PestsBedbug filings, failed rodent inspections, rodent 311s0
DisplacementMarshal evictions executed0
GRADE B

A modest record — below the level that usually signals systemic problems. More recorded distress than 62% 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 28. 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 violations4 total — 1 class C (immediately hazardous), 3 class B, 0 class A. Oldest open since 2020-04-30.

status snapshot refreshed weekly from HPD records

Patterns

2 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.

What 311 hears from this address

15 service requests in the last three years. Most common: DOOR/WINDOW (6) · Curb Condition (2) · Illegal Tree Damage (1) · Lead (1) · For Hire Vehicle Complaint (1) · Damaged Tree (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)GREGORY O'CONNELL; GREGORY T O'CONNELL
Managing agentO'C CONSTRUCTION GROUP INC
Last registered2025-11-05

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

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$2,748,000 $1,236,600
2026$2,590,000 $1,165,500
2027$3,108,000 $1,398,600

The city's market estimate has risen 13% 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.

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

SubwayCarroll St — F G · 0.3 mi straight-line (about an 8-minute walk) · station accessibility: none
BusNearest boarding stop: Court St / 3 Pl — B57 · 1,000 ft
Citi BikeClinton St & 4 Place · 400 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 058 The Carroll. 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

9 4 Place

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

15 311 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

Most recent mortgage recorded against this lot: $48,950 on 1991-06-20 (lender: Liao, Ming and Nedds, Ivan L). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
1991-06-20Mortgage $48,950 — from O'CONNELL, MICHAEL; O'CONNELL, GREGORY to LIAO, MING; NEDDS, IVAN L $48,950
1982-02-23Mortgage $59,000 — from MARFILLIUS, LORIS L.; NEDDS, IVAN L. to GUADALUPI, FILOMENA; ACQUILLA, AMELIA $59,000

Ten-year activity

20100
2017
2018
2019
2020
2021
2022
2023
2024
15
2025
2026
EnforcementHousing & tenantsHealth & systems
Show as table
YearEnforcementHousing & tenantsHealth & systemsTotal
20171102
20180112
2019012113
20200617
2021211013
20221416
202347213
2024110112
2025014115
20260516
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The last 12 months — 6 records

DateRecord
2026-10-02311: Air Quality — Vehicle Idling Odor
2026-04-14Boiler inspection
2026-03-23Bedbug filing: 0 infested units
2026-03-20HPD class A: §27-2104(B) HMC POST A PROPER NOTICE REGARDING RENT STABILIZATION LAW, IN A FORM APPROVED BY THE COMMISSIONER, IN A CONSPICUOUS LOCATION WIT
2026-03-17311: HEAT/HOT WATER — ENTIRE BUILDING
2026-03-17Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING

The full timeline

2026
2026-10-02311: Air Quality — Vehicle Idling Odor
2026-04-14Boiler inspection
2026-03-23Bedbug filing: 0 infested units
2026-03-20HPD class A: §27-2104(B) HMC POST A PROPER NOTICE REGARDING RENT STABILIZATION LAW, IN A FORM APPROVED BY THE COMMISSIONER, IN A CONSPICUOUS LOCATION WIT
2026-03-17311: HEAT/HOT WATER — ENTIRE BUILDING
2026-03-17Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2025
2025-07-02311: Overgrown Tree/Branches — Dead Branches in Tree
2025-06-06Bedbug filing: 0 infested units
2025-06-05HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2025-05-11HPD class B: § 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF PLEXI GLASS AT VESTIBULE DOOR
2025-04-24311: DOOR/WINDOW — DOOR FRAME
2025-04-24Tenant complaint: DOOR/WINDOW — DOOR FRAME
2025-04-18Boiler inspection
2025-04-02HPD class C: § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS
2025-04-02HPD class C: § 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS
2025-03-08311: DOOR/WINDOW — DOOR FRAME
2025-03-08311: DOOR/WINDOW — DOOR
2025-03-08Tenant complaint: DOOR/WINDOW — DOOR FRAME
2025-03-08Tenant complaint: DOOR/WINDOW — DOOR
2025-02-19311: Damaged Tree — Branch Cracked and Will Fall
2025-02-11311: For Hire Vehicle Complaint — Car Service Company Complaint
2024
2024-12-19311: Lead — Lead Kit Request (Residential) (L10)
2024-11-27311: DOOR/WINDOW — DOOR FRAME
2024-11-27Tenant complaint: DOOR/WINDOW — DOOR FRAME
2024-09-06311: Curb Condition — Broken Curb
2024-08-13311: DOOR/WINDOW — DOOR
2024-08-13311: Curb Condition — Broken Curb
2024-08-13Tenant complaint: DOOR/WINDOW — DOOR
2024-08-12311: DOOR/WINDOW — DOOR
2024-08-12Tenant complaint: DOOR/WINDOW — DOOR
2024-04-29Boiler inspection
2024-03-27FDNY inspection (RISK)
2024-03-20311: Illegal Tree Damage — Unauthorized Tree Pruning
2023
2023-12-28Bedbug filing: 0 infested units
2023-09-26311: Derelict Vehicles — Derelict Vehicles
2023-09-14311: Derelict Vehicles — Derelict Vehicles
2023-08-16311: Damaged Tree — Branch or Limb Has Fallen Down
2023-07-31HPD class B: § 27-2021 ADM CODE PROVIDE SUFFICIENT, PROPER AND SEPARATE METAL RECEPTACLES FOR THE DEPOSIT OF GARBAGE, RUBBISH AND OTHER WASTE MATERIAL AN
2023-06-30DOB violation LBLVIO: VIOLATION ISSUED-FAILURE TO FILE 2020 EXTERNAL LOW PRESSURE INSPECTION
2023-06-30DOB violation LBLVIO: VIOLATION ISSUED-FAILURE TO FILE 2021 EXTERNAL LOW PRESSURE INSPECTION
2023-06-20DOB violation LBLVIO: VIOLATION ISSUED-FAILURE TO FILE 2019 EXTERNAL LOW PRESSURE INSPECTION
2023-05-09Boiler inspection
2023-05-09Boiler inspection
2023-04-17311: UNSANITARY CONDITION — GARBAGE/RECYCLING STORAGE
2023-04-17Tenant complaint: UNSANITARY CONDITION — GARBAGE/RECYCLING STORAGE
2023-03-01FDNY inspection (RISK)
2022
2022-12-27Bedbug filing: 0 infested units
2022-06-03Boiler inspection
2022-02-28Bedbug filing: 0 infested units
2022-02-23FDNY inspection (RISK)
2022-02-18HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2022-02-06311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2021
2021-12-11311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2021-08-30311: DOOR/WINDOW — DOOR
2021-08-30Tenant complaint: DOOR/WINDOW — DOOR
2021-08-19HPD class C: § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE HEAVEY DUTY LOCK AT BUILDING ENTRANCE DOOR AT PUBLIC HALL, 1st STORY
2021-08-17311: DOOR/WINDOW — DOOR FRAME
2021-08-17311: DOOR/WINDOW — DOOR
2021-08-17Tenant complaint: DOOR/WINDOW — DOOR FRAME
2021-08-17Tenant complaint: DOOR/WINDOW — DOOR
2021-08-17ECB CLASS - 2 violation: FOUND WEIL MCLAIN MODEL # EG-55 SERIAL# CP7499920 BOILER UNREGISTERED.MISSING DISCHARGE PIPING ON HOT WATER HEATER. CORRECT ALL VI
2021-08-17DOB complaint, category ?
2021-07-12Bedbug filing: 0 infested units
2021-04-05HPD class A: (A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPD
2021-03-18HPD class B: § 27-2005 ADM CODE PROPERLY REPAIR THE BROKEN OR DEFECTIVE DOORS AT APARTMENTS 1L AND 3L MAILBOXES AT EAST WALL IN VESTIBULE AT PUBLIC HALL,
2020
2020-11-21311: DOOR/WINDOW — DOOR
2020-11-21Tenant complaint: DOOR/WINDOW — DOOR
2020-08-06311: Request Large Bulky Item Collection — Request Large Bulky Item Collection
2020-07-15Boiler inspection
2020-04-30HPD class C: § 27-2033 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO H
2020-04-23311: GENERAL — COOKING GAS
2020-04-23Tenant complaint: GENERAL — COOKING GAS
2019
2019-11-22311: Illegal Parking — Parking Permit Improper Use
2019-10-01HPD class B: § 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). ( MISSING ) IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY
2019-10-01HPD class B: § 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR ( MISSING ) IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY, 2nd APARTMENT FROM
2019-10-01HPD class A: § 27-2005 HMC: POST, IN A FORM APPROVED BY THE COMMISSIONER, AND MAINTAIN A NOTICE IN A COMMON AREA OF THE BUILDING REGARDING THE PROCEDURES
2019-10-01HPD class A: § 26-1103 ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGE
2019-10-01HPD class C: § 27-2005, 2007 HMC: REMOVE THE ILLEGAL DOUBLE CYLINDER KEY OPERATED LOCKING DEVICE AT DOOR ,,, IN THE ENTRANCE LOCATED AT APT 1R, 1st STORY
2019-10-01HPD class C: § 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 1R, 1st STORY, 2nd APARTMENT FROM WEST
2019-09-30311: HEAT/HOT WATER — ENTIRE BUILDING
2019-09-30311: HEAT/HOT WATER — ENTIRE BUILDING
2019-09-30Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2019-09-30Tenant complaint: HEAT/HOT WATER — ENTIRE BUILDING
2019-09-16Boiler inspection
2019-01-14Bedbug filing: 0 infested units
2018
2018-10-12HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2018-08-06Boiler inspection
2017
2017-11-15HPD class I: §27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE
2017-01-04FDNY inspection (RISK)
2015
2015-12-17Deed — from O'CONNELL, MICHAEL; O'CONNELL, GREGORY to 9 4TH PLACE, LLC
2015-10-06HPD class I: SECTION27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE ?27-2097 AND IS THER
2015-03-03DOB violation LBLVIO: VIOLATION ISSUED FOR FAILURE TO FILE ANNUAL BOILER 2013 INSPECTION REPORT
2015-02-05HPD class I: SECTION27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE ?27-2097 AND IS THER
2014
2014-03-29311: New Tree Request — For One Address
2013
2013-12-23311: New Tree Request — For One Address
2013-04-13311: New Tree Request — For One Address
2012
2012-09-10311: Water Quality — No Sampling Required, Requested Information (QG2)
2012-07-12311: PAINT - PLASTER — CEILING
2012-07-12311: PAINT - PLASTER — WALLS
2012-07-12311: GENERAL CONSTRUCTION — FLOOR
2012-07-12311: NONCONST — RUBBISH
2012-07-12Tenant complaint: NONCONST — RUBBISH
2012-07-12Tenant complaint: PAINT/PLASTER — WALL
2012-07-12Tenant complaint: PAINT/PLASTER — CEILING
2012-07-12Tenant complaint: GENERAL — FLOOR
2012-02-23311: GENERAL CONSTRUCTION — DOORS
2012-02-23Tenant complaint: GENERAL — DOORS
2012-01-01311: New Tree Request — For One Address
2011
2011-08-28311: Damaged Tree — Branch or Limb Has Fallen Down
2010
2010-10-31311: Taxi Complaint — Driver Complaint
2010-09-30311: Damaged Tree — Branch or Limb Has Fallen Down
2010-09-16311: Damaged Tree — Branch or Limb Has Fallen Down
1991
1991-06-20Mortgage $48,950 — from O'CONNELL, MICHAEL; O'CONNELL, GREGORY to LIAO, MING; NEDDS, IVAN L$48,950
1991-06-20Deed — from MARFILIUS, LORIS L; LIAO, MING; NEDDS, IVAN L to O'CONNELL, MICHAEL; O'CONNELL, GREGORY
1982
1982-02-23Deed — from BASILE, EMILIA AKA; ACQUILLA, AMELIA; AQUILA, AMELIA AKA to NEDDS, IVAN L.; MARFILLIUS, LORIS L.
1982-02-23Mortgage $59,000 — from MARFILLIUS, LORIS L.; NEDDS, IVAN L. to GUADALUPI, FILOMENA; ACQUILLA, AMELIA$59,000

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