149 recorded events, 1975–2026, from 14 city data systems. The city's paper trail here is mostly 36 ACRIS deeds & mortgages, 24 rodent inspections, 23 HPD complaints.
Full record, year by year Support this site
The city's published records show little recorded distress here in the last three years. Less recorded distress than 75% 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 4.6. In ZIP 11221, 43% of residential buildings hold an A and 17% grade D or F. How grades work
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 1 total — 0 class C (immediately hazardous), 1 class B, 0 class A. Oldest open since 2021-07-23. |
status snapshot refreshed weekly from HPD records
4 heat or hot-water complaints in the last three years (winter 2024–25: 2 · winter 2025–26: 2). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
4 service requests in the last three years. Most common: HEAT/HOT WATER (2) · UNSANITARY CONDITION (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.
| Yes | Built before 1974 (1931) |
| Yes | Six or more residential units (16) |
| No | 421-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 owner(s) | NU WORLD BUILDERS LLC |
| Head officer | DAVID YOUNG |
| Managing agent | NASHER REALTY ASSOCIATE, INC |
| Last registered | 2025-08-24 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $652,000 | $293,400 |
| 2026 | $698,000 | $314,100 |
| 2027 | $684,000 | $307,800 |
The city's market estimate has risen 5% between tax years 2025 and 2027.
| Heating fuel | NO2FUEL |
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.
| Subway | Kosciuszko St — J · 600 ft straight-line (about a 3-minute walk) · station accessibility: none Myrtle Av — J M Z · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Malcolm X Blvd / De Kalb Av — B46 · 250 ft |
| Citi Bike | Malcolm X Blvd & DeKalb Ave · 300 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 026 Jesse Owens. 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.
601 Kosciuszko 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 |
4 311 service requests from this address in the last three years — 2 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.
Managed by NASHER REALTY ASSOCIATES, INC. — 35 buildings, 285 units. Grades across the portfolio: A4 · B7 · C10 · D10 · F4. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 31 Van Buren Street | BK | 42 | B |
| 109-29 Sutphin Boulevard | QN | 34 | C |
| 62 Stuyvesant Avenue | BK | 21 | C |
| 601 Kosciuszko Street | BK | 16 | A |
| 559 Kosciuszko Street | BK | 16 | B |
| 556 Kosciuszko Street | BK | 16 | A |
| 518 Kosciuszko Street | BK | 8 | B |
| 357 Greene Avenue | BK | 8 | C |
| 722 Bergen Street | BK | 8 | D |
| 801 Prospect Place | BK | 8 | B |
| 446 St Marks Avenue | BK | 8 | C |
| 2567 Bedford Avenue | BK | 8 | B |
| 465 Prospect Place | BK | 8 | B |
| 1353 Sterling Place | BK | 7 | D |
| 5601 5 Avenue | BK | 7 | C |
| 205 Buffalo Avenue | BK | 6 | A |
| 1914 Pacific Street | BK | 6 | C |
| 201 Buffalo Avenue | BK | 6 | B |
| 189 Dumont Avenue | BK | 6 | F |
| 1222 St Marks Avenue | BK | 6 | D |
| 733 Dean Street | BK | 4 | C |
| 580 Vanderbilt Avenue | BK | 4 | D |
| 520 Kosciuszko Street | BK | 3 | D |
| 1080 DeKalb Avenue | BK | 3 | F |
| 911 DeKalb Avenue | BK | 3 | F |
| 474 Ralph Avenue | BK | 3 | D |
| 533 Kosciuszko Street | BK | 3 | D |
| 1098 DeKalb Avenue | BK | 3 | D |
| 522 Kosciuszko Street | BK | 3 | F |
| 812 Lafayette Avenue | BK | 2 | A |
| 192-19 Linden Boulevard | QN | 2 | D |
| 195-11 Linden Boulevard | QN | 2 | C |
| 594 Vanderbilt Avenue | BK | 2 | D |
| 295 Kosciuszko Street | BK | 2 | C |
| 1134 Broadway | BK | 1 | C |
Most recent mortgage recorded against this lot: $4,425,000 on 2022-01-13 (lender: Connectone Bank), covering 8 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 |
|---|---|---|---|
| 2022-01-13 | Mortgage $4,425,000 — from NU WORLD BUILDERS LLC to CONNECTONE BANK | $4,425,000 | |
| 2022-01-13 | AL&R $4,425,000 — from NU WORLD BUILDERS LLC to CONNECTONE BANK | $4,425,000 | |
| 2022-01-07 | RPTT&RET $8,205,851 — from NEW YORK EQUITY FUND 2000 SERIES II LIMI to NU WORLD BUILDERS LLC | $8,205,851 | |
| 2001-12-13 | Mortgage $3,584,256 — from FATSVILLE & COMPANYLP to NYC HPD | $3,584,256 | |
| 1998-09-02 | Mortgage $9,311,211 — from NEIGHBORHOOD PARTNERSHIP HOUSING DEVELOP to EAB COMMUNITY DEVELOPMENT CORP.; ROSIE REALTY SERVICES, LLC | $9,311,211 | |
| 1998-09-02 | Mortgage $10,395,046 — from NEIGHBORHOOD PARTNERSHIP HOUSING DEVELOP; ROSIE REALTY SERVICES L L C to EAB COMMUNITY DEVELOPMENT CORP | $10,395,046 | |
| 1998-09-02 | Mortgage $1,083,835 — from NEIGHBORHOOD PARTNERSHIP HOUSING DEVELOP to ROSIE REALTY SERVICES,LLC | $1,083,835 |
| Year | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|
| 2017 | 0 | 20 | 0 | 3 | 23 |
| 2018 | 1 | 2 | 0 | 3 | 6 |
| 2019 | 0 | 2 | 0 | 3 | 5 |
| 2020 | 0 | 3 | 1 | 3 | 7 |
| 2021 | 0 | 3 | 1 | 2 | 6 |
| 2022 | 0 | 4 | 4 | 3 | 11 |
| 2023 | 1 | 2 | 0 | 3 | 6 |
| 2024 | 0 | 5 | 1 | 2 | 8 |
| 2025 | 1 | 4 | 0 | 3 | 8 |
| 2026 | 0 | 4 | 0 | 2 | 6 |
Every one of the 149 recorded events, 1975–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11221 · Landlord rankings · How grades work · The map · The Mice Map