169 recorded events, 1989–2026, from 13 city data systems. The city's paper trail here is mostly 42 ACRIS deeds & mortgages, 36 DOB permits, 19 FDNY inspections.
Full record, year by year Support this site
A meaningful record of code violations or complaints relative to its peers. More recorded distress than 90% 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 27.5. In ZIP 11222, 66% of residential buildings hold an A and 5% grade D or F. How grades work
Among 699,345 1-5-unit residential buildings citywide · left is less recorded distress, right is more
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.
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
2 service requests in the last three years. Most common: Lead (1) · Noise (1).
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.
| No | Built before 1974 (2016) |
| No | Six or more residential units (4) |
| Yes | 421-a / J-51 tax benefit on the current tax roll |
1 of 3 signals present. Buildings receiving 421-a or J-51 benefits are generally required to register their units as rent-stabilized for the duration of the benefit. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).
| Registered owner(s) | Greenpoint Mixed Use LLC |
| Head officer | JENNA GOLDMAN |
| Managing agent | TRI-HILL MANAGEMENT LLC |
| Last registered | 2025-09-10 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $1,437,000 | $646,650 |
| 2026 | $1,724,000 | $775,800 |
| 2027 | $1,986,000 | $893,700 |
The city's market estimate has risen 38% between tax years 2025 and 2027.
Tax exemptions on the roll: 421A 15 YR NO CAP
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.
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.
| Subway | Nassau Av — G · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Nassau Av / Humboldt St — B48 · 1,050 ft |
| Citi Bike | Calyer St & Jewel St · 750 ft · station location as of 2026-09-23; live availability |
| 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.
146 Diamond Street
| Heat or hot water | Heat or hot water |
| Apartment maintenance | Apartment maintenance |
| Bed bugs | Bed bugs |
| Residential pests | Residential pests |
| Rats or mice | Rats or mice |
| Anything else | Anything else |
2 311 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.
Managed by TRI-HILL MANAGEMENT LLC — 74 buildings, 2,315 units. Grades across the portfolio: A36 · B20 · C10 · D7. See the whole portfolio
showing 60 of 74 buildings
Most recent mortgage recorded against this lot: $6,862,442 on 2018-11-07 (lender: Continental General Insurance Company), covering 4 lots — the amount covers all of them. Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2025-02-07 | Deed $9,170 — from GREGORY CERCHIONE, ESQ REFEREE to GREENPOINT MIXED USE LLC | $9,170 | |
| 2025-01-16 | Sold for $9,170 | $9,170 | $2,293 |
| 2018-11-07 | AL&R $10,250,000 — from 313 ECKFORD LLC; 146 DIAMOND, LLC; 330 CALYER LLC; SIMPLE ELEGANT REALTY LLC to CONTINENTAL GENERAL INSURANCE COMPANY | $10,250,000 | |
| 2018-11-07 | Mortgage $6,862,442 — from 146 DIAMOND, LLC; 313 ECKFORD LLC; 330 CALYER LLC; SIMPLE ELEGANT REALTY LLC to CONTINENTAL GENERAL INSURANCE COMPANY | $6,862,442 | |
| 2018-11-07 | Agreement $10,250,000 — from 146 DIAMOND, LLC; 330 CALYER LLC; 313 ECKFORD LLC; SIMPLE ELEGANT REALTY LLC to CONTINENTAL GENERAL INSURANCE COMPANY | $10,250,000 | |
| 2018-10-29 | Mortgage $100,000 — from 146 DIAMOND, LLC to ROSTEK, KRZYSZTOF | $100,000 | |
| 2018-10-12 | Mortgage $300,000 — from 146 DIAMOND, LLC; 313 ECKFORD LLC to ROSTEK, KRZYSZTOF | $300,000 | |
| 2016-03-18 | Mortgage $600,000 — from SIMPLE ELEGANT REALTY LLC; 146 DIAMOND, LLC to COLUMBIA CAPITAL CO. | $600,000 | |
| 2015-01-16 | AL&R $1,375,000 — from 313 ECKFORD LLC; 146 DIMANOD, LLC to CROSS RIVER BANK | $1,375,000 | |
| 2015-01-16 | Mortgage $1,375,000 — from 313 ECKFORD LLC; 146 DIMANOD, LLC to CROSS RIVER BANK | $1,375,000 | |
| 2014-09-02 | AL&R $1,000,000 — from 146 DIAMOND, LLC to ROSTEK, KRZYSZTOF | $1,000,000 | |
| 2014-09-02 | Mortgage $1,000,000 — from 146 DIAMOND, LLC to ROSTEK, KRZYSZTOF | $1,000,000 | |
| 2010-06-29 | AL&R $350,000 — from 146 DIAMOND, LLC to GPS CAPITAL, LLC | $350,000 | |
| 2010-06-29 | Mortgage $350,000 — from 146 DIAMOND, LLC to GPS CAPITAL, LLC | $350,000 | |
| 2008-03-26 | Agreement $3,000,000 — from 146 DIAMOND, LLC to ROSENTHAL & ROSENTHAL, INC. | $3,000,000 |
| Year | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|
| 2017 | 0 | 0 | 0 | 1 | 1 |
| 2018 | 0 | 1 | 11 | 1 | 13 |
| 2019 | 0 | 2 | 2 | 0 | 4 |
| 2020 | 1 | 1 | 0 | 0 | 2 |
| 2021 | 0 | 3 | 0 | 0 | 3 |
| 2022 | 0 | 1 | 0 | 0 | 1 |
| 2023 | 5 | 2 | 0 | 0 | 7 |
| 2024 | 1 | 4 | 0 | 1 | 6 |
| 2025 | 1 | 2 | 2 | 1 | 6 |
| 2026 | 0 | 0 | 0 | 1 | 1 |
Every one of the 169 recorded events, 1989–2026, 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