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70 Diamond Street

281Records
17City systems
14Open violations
57.5Penalty rate
Brooklyn · ZIP 11222 · Neighborhood: Greenpoint
Open in the map

281 recorded events, 1993–2026, from 17 city data systems. The city's paper trail here is mostly 93 311 service requests, 91 HPD complaints, 22 HPD housing violations.

BoroughBrooklyn 11222
Built1928
Floors4
Res. units4
ClassS9
Owner (PLUTO)70 DIAMOND STREET LLC
BBL3026850072
BIN3067037

Full record, year by year   Support this site

GRADE D

A sustained record of distress well beyond its peers. More recorded distress than 96% of 1-5-unit residential buildings citywide. The citywide median for 1-5-unit residential buildings is 0 penalty points per 10 units; this building carries 57.5. In ZIP 11222, 66% of residential buildings hold an A and 5% grade D or F. How grades work

this building
A
C

Among 699,345 1-5-unit residential buildings citywide · left is less recorded distress, right is more

Open with the city right now

Open HPD violations14 total — 3 class C (immediately hazardous), 9 class B, 2 class A. Oldest open since 2006-12-20.

status snapshot refreshed weekly from HPD records

Patterns

8 heat or hot-water complaints in the last three years (winter 2025–26: 8).

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

$2,500 in enforcement penalties imposed (ECB/OATH) in the last three years.

What 311 hears from this address

22 service requests in the last three years. Most common: Residential Disposal Complaint (5) · Food Establishment (4) · HEAT/HOT WATER (4) · Litter Basket Request (2) · Graffiti (1) · Urinating in Public (1).

Filed construction activity

$47,000 in permitted construction work filed since 2016 (4 filings with a declared cost) — a rough measure of how actively the owner maintains the building. 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 (1928)
NoSix or more residential units (4)
No421-a / J-51 tax benefit on the current tax roll

1 of 3 signals present. Only a partial profile — stabilization is possible but less likely. 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)70 DIAMOND STREET LLC.
Head officerAHMED DOUMAH
Managing agent70 DIAMOND STREET LLC
Last registered2023-07-18

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

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$1,924,000 $865,800
2026$2,309,000 $1,039,050
2027$2,007,000 $903,150

The city's market estimate has risen 4% between tax years 2025 and 2027.

Building systems

Heating fuelNATURALGAS

Restaurants in this building

RestaurantCuisineGradeNotes
Diamond SlicePizzaNot yet graded—

Report to 311: Food poisoning · Food safety complaint

1 restaurant · 0 with mice evidence · See them on the Mice Map

4 Food Establishment complaints to 311 at this address in the last three years (most often: Letter Grading, Pet/Animal) · complaints filed by the public; DOHMH investigates, outcomes aren't published.

Flood exposure

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

Hurricane evacuation zone 2 of 6 — zone 1 evacuates first.

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

4 street-flooding or sewer-backup complaints at this address since 2011 (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

SubwayNassau Av — G · 0.2 mi straight-line (about a 6-minute walk) · station accessibility: none
BusNearest boarding stop: Nassau Av / Humboldt St — B48 · 200 ft
Citi BikeNassau Ave & Newell St · 350 ft · station location as of 2026-09-23; live availability
Bike facilityShared bike route mapped within 75 ft
School zones (2024–25 map)Elementary: P.S. 110 The Monitor. 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

70 Diamond Street

Heat or hot waterHeat or hot water
Apartment maintenanceApartment maintenance
Bed bugsBed bugs
Residential pestsResidential pests
Rats or miceRats or mice
Food poisoningFood poisoning
Food safety complaintFood safety complaint
Anything elseAnything else

22 311 service requests from this address in the last three years — 4 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.

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $163,704 on 2018-08-20 (lender: Greystone Servicing Corporation,inc). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2018-08-20Agreement $1,500,000 — from 70 DIAMOND STREET LLC to GREYSTONE SERVICING CORPORATION,INC $1,500,000
2018-08-20Mortgage $163,705 — from 70 DIAMOND STREET LLC to GREYSTONE SERVICING CORPORATION,INC $163,705
2006-11-08Mortgage $1,650,000 — from 70 DIAMOND STREET, LLC to WASHINGTON MUTUAL BANK $1,650,000
2006-11-08Deed $2,200,000 — from ASTRAB, JOHN JR.; ASTRAB, HELEN to 70 DIAMOND STREET, LLC $2,200,000

Ten-year activity

50250
2017
23
2018
2019
2020
2021
2022
2023
2024
2025
2026
ConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systemsTotal
2017003003
201802164123
20190191112
2020004026
202100180119
20222590117
20230370111
20244360114
20251170110
202603190123
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The full timeline

Construction 20Enforcement 32Housing & tenants 210Ownership & money 8Health & systems 11

Every one of the 281 recorded events, 1993–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 11222 · Landlord rankings · How grades work · The map · The Mice Map