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340 St Marks Avenue

408Records
13City systems
184Open violations
456.7Penalty rate
Brooklyn · ZIP 11238 · Neighborhood: Prospect Heights
Open in the map

408 recorded events, 1900–2026, from 13 city data systems. The city's paper trail here is mostly 224 HPD housing violations, 72 311 service requests, 52 HPD complaints.

BoroughBrooklyn 11238
Built1931
Floors4
Res. units6
ClassC6
Owner (PLUTO)340 ST. MARKS AVENUE HOUSING DEVELOPMENT FUND CORP
BBL3011530025
BIN3028555

Full record, year by year   Support this site

GRADE D

A sustained record of distress well beyond its peers. More recorded distress than 97% 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 456.7. In ZIP 11238, 51% of residential buildings hold an A and 10% 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 violations184 total — 36 class C (immediately hazardous), 113 class B, 35 class A. Oldest open since 1982-12-06.
Alternative Enforcementcurrently in HPD's worst-buildings program

status snapshot refreshed weekly from HPD records

Patterns

No heat or hot-water complaints in the last three years.

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

What 311 hears from this address

26 service requests in the last three years. Most common: DOOR/WINDOW (5) · Residential Disposal Complaint (3) · PAINT/PLASTER (3) · Illegal Parking (2) · WATER LEAK (2) · ELECTRIC (2).

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 (1931)
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)340 ST MARKS'S AVE HDFC
Head officerBETTYE J LATHAM
Managing agent340 ST MARKS AVE HDFC
Last registered2020-02-24

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

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$1,742,000 $783,900
2026$1,394,000 $627,300
2027$1,673,000 $752,850

The city's market estimate has fallen 4% 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

SubwayGrand Army Plaza — 2 3 · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: none
BusNearest boarding stop: Washington Av / Bergen St — B45 · 300 ft
Citi BikeProspect Pl & Underhill Ave · 400 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: Public School 9 The Sarah Smith Garnet School. 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

340 St Marks 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

26 311 service requests from this address in the last three years.

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

DateRecordAmountPer res. unit
2008-01-11Deed $40,000 — from 340 ST. MARKS AVENUE HOUSING DEVELOPMENT to 336 OCEAN EMPIRE, LLC $40,000
2008-01-11DEVR $40,000 — from 340 ST. MARKS AVENUE HOUSING DEVELOPMENT to 336 OCEAN EMPIRE, LLC $40,000

Ten-year activity

100500
2017
2018
2019
2020
2021
2022
2023
2024
97
2025
2026
EnforcementHousing & tenantsHealth & systems
Show as table
YearEnforcementHousing & tenantsHealth & systemsTotal
20170202
20180303
2019063063
2020096096
2021021021
2022150051
20235319
20241629
2025194297
20260314
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The full timeline

Construction 6Enforcement 15Housing & tenants 369Ownership & money 11Health & systems 7

Every one of the 408 recorded events, 1900–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 11238 · Landlord rankings · How grades work · The map · The Mice Map