2,015 recorded events, 2000–2026, from 15 city data systems. The city's paper trail here is mostly 1,675 ACRIS deeds & mortgages, 136 311 service requests, 47 DOF property sales.
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 90% 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 0.8. In ZIP 11211, 58% of residential buildings hold an A and 7% grade D or F. How grades work
Among 17,252 25-99-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.
38 service requests in the last three years. Most common: Graffiti (9) · Homeless Person Assistance (6) · Encampment (5) · Noise (5) · Blocked Driveway (4) · Illegal Parking (4).
$97,915 in permitted construction work filed since 2016 (3 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.
| No | Built before 1974 (2007) |
| Yes | Six or more residential units (37) |
| Yes | 421-a / J-51 tax benefit on the current tax roll |
2 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) | N4 CONDOMINUM ASSOCIATION INC |
| Head officer | RAVI SACHIDANADAM |
| Managing agent | QUANTUM PROPERTY MANAGEMENT |
| Last registered | 2025-09-09 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $24,575 | $11,059 |
| 2026 | $9,602 | $4,321 |
| 2027 | $253,485 | $114,068 |
The city's market estimate has risen 931% between tax years 2025 and 2027.
Tax exemptions on the roll: 421A 15 YR NO CAP
For property tax, the Department of Finance values this condo as if it were a rental building. Its 2023 estimate: gross income $1,384,820 a year ($40.73 per sq ft), operating expenses $484,840 ($14.26 per sq ft), net operating income $899,980. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Energy grade (LL33) | D — ENERGY STAR score 5/100, posted at the entrance by law (2022 disclosure cycle) |
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Hurricane evacuation zone 6 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 | Bedford Av — L · 650 ft straight-line (about a 3-minute walk) · station accessibility: full Lorimer St — G L · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: Driggs Av / N 4 St — B62 · 200 ft |
| Citi Bike | Roebling St & N 4 St · 450 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 017 Henry D. Woodworth. 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.
161 North 4 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 |
38 311 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 QUANTUM PROPERTY MANAGEMENT — 30 buildings, 682 units. Grades across the portfolio: A27 · B3. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 42-25 80 Street | QN | 147 | B |
| 80-06 47 Avenue | QN | 75 | A |
| 623 Avenue H | BK | 38 | A |
| 161 North 4 Street | BK | 37 | A |
| 318 East 112 Street | MN | 26 | A |
| 1043 Halsey Street | BK | 25 | A |
| 606 West 113 Street | MN | 24 | A |
| 728 41 Street | BK | 24 | A |
| 76-26 47 Avenue | QN | 22 | A |
| 904 Pacific Street | BK | 21 | A |
| 305 West 55 Street | MN | 20 | A |
| 91-06 Whitney Avenue | QN | 18 | A |
| 957 Pacific Street | BK | 18 | A |
| 112-31 38 Avenue | QN | 17 | A |
| 305 East 91 Street | MN | 16 | A |
| 208 Bay 22 Street | BK | 16 | A |
| 925 Pacific Street | BK | 15 | A |
| 260 Broome Street | MN | 14 | B |
| 2155 Daly Avenue | BX | 12 | A |
| 40-24 76 Street | QN | 12 | A |
| 71 West 83 Street | MN | 12 | A |
| 138 Edgecombe Avenue | MN | 10 | A |
| 85 Stanton Street | MN | 10 | A |
| 935 Pacific Street | BK | 10 | A |
| 129 West 123 Street | MN | 8 | A |
| 50 East 80 Street | MN | 8 | A |
| 258 St James Place | BK | 8 | B |
| 316 West 83 Street | MN | 8 | A |
| 306 East 82 Street | MN | 7 | A |
| 916 Pacific Street | BK | 4 | A |
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-07-20 | Deed $2,150,000 — from SACHIDANANDAM, RAVI S; BERHE, MEBRAT to DE COSTER 2001 TRUST FBO FANNY DE COSTER; SALOMON, AS TRUSTEE, ALEX | $2,150,000 | |
| 2026-07-20 | Deed $2,150,000 — from SACHIDANANDAM, RAVI S; BERHE, MEBRAT to DE COSTER 2001 TRUST FBO FANNY DE COSTER; SALOMON, AS TRUSTEE, ALEX | $2,150,000 | |
| 2026-07-20 | Deed $2,150,000 — from SACHIDANANDAM, RAVI S; BERHE, MEBRAT to DE COSTER 2001 TRUST FBO FANNY DE COSTER; SALOMON, AS TRUSTEE, ALEX | $2,150,000 | |
| 2026-07-10 | Sold for $2,150,000 | $2,150,000 | $58,108 |
| 2026-07-10 | Sold for $2,150,000 | $2,150,000 | $58,108 |
| 2026-07-10 | Sold for $2,150,000 | $2,150,000 | $58,108 |
| 2025-04-07 | Mortgage $100,000 — from GONZALEZ, RICK to NORTHFIELD BANK | $100,000 | |
| 2024-10-25 | Deed $60,000 — from ZACH, LISA GERSTEL; ZACH, SHAY to GREGORY, MICHAEL | $60,000 | |
| 2024-10-16 | Sold for $60,000 | $60,000 | $1,622 |
| 2024-02-16 | Deed $2,270,000 — from AGRAWAL, SAUMIL to HOU, MAN HEI; CHOI, MOON YOUNG | $2,270,000 | |
| 2024-02-16 | Agreement $1,120,000 — from HEI HOU, MAN; YOUNG CHOI, MOON to JPMORGAN CHASE BANK, N.A. | $1,120,000 | |
| 2024-02-16 | Agreement $1,120,000 — from HEI HOU, MAN; YOUNG CHOI, MOON to JPMORGAN CHASE BANK, N.A. | $1,120,000 | |
| 2024-02-16 | Deed $2,270,000 — from AGRAWAL, SAUMIL to HOU, MAN HEI; CHOI, MOON YOUNG | $2,270,000 | |
| 2024-02-16 | Agreement $1,120,000 — from HEI HOU, MAN; YOUNG CHOI, MOON to JPMORGAN CHASE BANK, N.A. | $1,120,000 | |
| 2024-02-16 | Deed $2,270,000 — from AGRAWAL, SAUMIL to HOU, MAN HEI; CHOI, MOON YOUNG | $2,270,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 2 | 18 | 43 | 15 | 78 |
| 2018 | 1 | 0 | 5 | 17 | 14 | 37 |
| 2019 | 0 | 2 | 5 | 22 | 6 | 35 |
| 2020 | 0 | 0 | 8 | 19 | 3 | 30 |
| 2021 | 0 | 0 | 9 | 47 | 3 | 59 |
| 2022 | 4 | 1 | 16 | 40 | 7 | 68 |
| 2023 | 2 | 1 | 26 | 52 | 4 | 85 |
| 2024 | 0 | 0 | 12 | 33 | 3 | 48 |
| 2025 | 0 | 0 | 16 | 4 | 3 | 23 |
| 2026 | 0 | 1 | 3 | 10 | 5 | 19 |
Every one of the 2,015 recorded events, 2000–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11211 · Landlord rankings · How grades work · The map · The Mice Map