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151 5 Avenue

115Records
12City systems
0Open violations
28.3Penalty rate
Brooklyn · ZIP 11217 · Neighborhood: Park Slope
Open in the map

115 recorded events, 1966–2026, from 12 city data systems. The city's paper trail here is mostly 32 311 service requests, 24 boiler inspections, 20 DOB violations.

BoroughBrooklyn 11217
Built1920
Floors4
Res. units6
ClassS9
Owner (PLUTO)NAGREG RLTY CORP
BBL3009470006
BIN3019398

Full record, year by year   Support this site

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 28.3. In ZIP 11217, 60% 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

No current HPD flags in the latest weekly snapshot: no open violations, no pending litigation, no active vacate orders, and not in the Alternative Enforcement Program.

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: Illegal Parking (2) · Snow or Ice (2) · Street Condition (2) · HEAT/HOT WATER (1) · New Tree Request (1) · Noise (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 (6)
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)NAGREG REALTY CORP
Head officerGREGORY 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$4,839,600 $2,177,820
2026$3,872,000 $1,742,400
2027$4,015,000 $1,806,750

The city's market estimate has fallen 17% between tax years 2025 and 2027.

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
Bergen St — 2 3 · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: none
BusNearest boarding stop: 5 Av / Douglass St — B63 · 100 ft
Citi BikeSterling Pl & 5 Ave · 400 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

151 5 Avenue

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 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 —

Ten-year activity

50250
2017
2018
2019
2020
2021
2022
27
2023
2024
2025
2026
EnforcementHousing & tenantsHealth & systems
Show as table
YearEnforcementHousing & tenantsHealth & systemsTotal
20171405
20180044
20193115
20200112
20211517
20220347
20231211427
20241045
202506410
20260448
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The full timeline

Construction 9Enforcement 25Housing & tenants 50Ownership & money 4Health & systems 27

Every one of the 115 recorded events, 1966–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 11217 · Landlord rankings · How grades work · The map · The Mice Map