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3723 18 Avenue

2,173Records
17City systems
28Open violations
23.3Penalty rate

2,173 recorded events, 1900–2026, from 17 city data systems. The city's paper trail here is mostly 978 HPD complaints, 775 311 service requests, 280 HPD housing violations.

BoroughBrooklyn 11218
Built1930
Floors4
Res. units46
ClassC1
Owner (PLUTO)3723 18TH AV APTS LLC
BBL3054180018
BIN3127750

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. More recorded distress than 50% 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 23.3. In ZIP 11218, 71% of residential buildings hold an A and 6% 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 violations28 total — 9 class C (immediately hazardous), 16 class B, 3 class A. Oldest open since 2005-01-25.

status snapshot refreshed weekly from HPD records

Patterns

26 heat or hot-water complaints in the last three years (winter 2024–25: 2 · winter 2025–26: 24). Repeated winter clusters suggest a chronic heating problem.

2
’24–25
24
’25–26

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

What 311 hears from this address

62 service requests in the last three years. Most common: Noise (15) · HEAT/HOT WATER (13) · UNSANITARY CONDITION (8) · Rodent (5) · PLUMBING (4) · SAFETY (4).

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 (1930)
YesSix or more residential units (46)
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)3723 18TH AVE APTS LLC
Head officerNICHOLAS G MALAFIS
Managing agentGNM MANAGEMENT LLC
Last registered2025-08-07

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

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$2,491,000 $1,120,950
2026$2,778,000 $1,250,100
2027$2,806,000 $1,262,700

The city's market estimate has risen 13% between tax years 2025 and 2027.

Building systems

Energy grade (LL33)D — ENERGY STAR score 51/100, posted at the entrance by law (2022 disclosure cycle)
Heating fuelNO2FUEL

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.

1 street-flooding or sewer-backup complaints at this address since 2012 (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

SubwayNewkirk Plaza — B Q · 0.3 mi straight-line (about an 8-minute walk) · station accessibility: none
BusNearest boarding stop: 18 Av / Coney Island Av — B8 · 200 ft
Citi BikeCortelyou Rd & E 8 St · 0.3 mi · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 217 Colonel David Marcus School
Middle: J.H.S. 062 Ditmas. 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

3723 18 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

62 311 service requests from this address in the last three years — 13 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 GNM MANAGEMENT LLC — 11 buildings, 231 units. Grades across the portfolio: A10 · B1. See the whole portfolio

BuildingBoroughUnitsGrade
3723 18 Avenue BK46 A
325 1 Street BK32 A
433 3 Avenue BK26 A
64 Church Avenue BK20 A
58 Church Avenue BK20 B
233 18th Street BK20 A
624 11 Street BK17 A
549 6 Avenue BK16 A
911 8 Avenue BK16 A
683 4 Avenue BK16 A
337 11 Street BK2 A

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $358,644 on 2022-11-21 (lender: Dime Community Bank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2022-11-21AL&R $5,700,000 — from 3723 18TH AV APTS LLC to DIME COMMUNITY BANK $5,700,000
2022-11-21Agreement $5,700,000 — from 3723 18TH AV APTS LLC to DIME COMMUNITY BANK $5,700,000
2022-11-21Mortgage $358,645 — from 3723 18TH AV APTS LLC to DIME COMMUNITY BANK $358,645
2017-12-18AL&R $6,000,000 — from 3723 18TH AV APTS LLC to HANOVER COMMUNITY BANK $6,000,000
2017-12-18M&CON $6,000,000 — from 3723 18TH AV APTS LLC to HANOVER COMMUNITY BANK $6,000,000
2013-11-04AL&R $4,275,000 — from 3723 18TH AVE APTS LLC to THE DIME SAVINGS BANK OF WILLIAMSBURGH $4,275,000
2013-11-04Agreement $4,275,000 — from 3723 18TH AVE APTS LLC to THE DIME SAVINGS BANK OF WILLIAMSBURGH $4,275,000
2013-11-04Mortgage $1,538,312 — from 3723 18TH AVE APTS LLC to THE DIME SAVINGS BANK OF WILLIAMSBURGH $1,538,312
2009-10-07Mortgage $697,729 — from 3723 18TH AV APTS LLC to MARATHON NATIONAL BANK OF NEW YORK $697,729
2009-10-06AL&R $2,900,000 — from 3723 18TH AVE APTS LLC to MARATHON NATIONAL BANK OF NEW YORK $2,900,000
2009-10-06Agreement $2,900,000 — from 3723 18TH AV APTS LLC to MARATHON NATIONAL BANK OF NEW YORK $2,900,000
2006-05-18AL&R $2,300,000 — from MARATHON NATIONAL BANK OF NEW YORK to 3723 18TH AV APTS LLC $2,300,000
2006-05-18Agreement $2,300,000 — from 3723 18TH AV APTS LLC to MARATHON NATIONAL BANK OF NEW YORK $2,300,000
2006-05-18Mortgage $416,989 — from 3723 18TH AV APTS LLC to MARATHON NATIONAL BANK OF NEW YORK $416,989
2006-03-21AL&R $1,900,000 — from MARATHON NATIONAL BANK OF NEW YORK to 3723 18TH AV APTS LLC $1,900,000

Ten-year activity

1,0005000
2017
2018
2019
2020
517
2021
2022
2023
2024
2025
2026
EnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearEnforcementHousing & tenantsOwnership & moneyHealth & systemsTotal
20170524056
20182390142
2019110703111
20201730175
2021251302517
2022014953157
20231540459
20241350642
20251260330
20260570360
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The full timeline

Construction 7Enforcement 26Housing & tenants 2,055Ownership & money 57Health & systems 28

Every one of the 2,173 recorded events, 1900–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 11218 · Landlord rankings · How grades work · The map · The Mice Map