120 recorded events, 2020–2026, from 8 city data systems. The city's paper trail here is mostly 41 ACRIS deeds & mortgages, 34 DOB permits, 26 DOB job filings.
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 63% of 100+-unit residential buildings citywide. The citywide median for 100+-unit residential buildings is 3.7 penalty points per 10 units; this building carries 1.8. In ZIP 10473, 82% of residential buildings hold an A and 6% grade D or F. How grades work
Among 4,677 100+-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.
$3,500 in enforcement penalties imposed (ECB/OATH) in the last three years.
1 service requests in the last three years. Most common: Blocked Driveway (1).
$377,032 in permitted construction work filed since 2016 (22 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 (2024) |
| Yes | Six or more residential units (117) |
| No | 421-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 owner(s) | Stevenson B4 LLC |
| Head officer | Rick Gropper |
| Managing agent | Dolphin Property Services, LLC |
| Last registered | 2026-06-04 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $299,000 | $134,550 |
| 2026 | $389,000 | $175,050 |
| 2027 | $11,661,000 | $5,247,450 |
The city's market estimate has risen 3800% between tax years 2025 and 2027.
Tax exemptions on the roll: MITCHELL-LAMA
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Hurricane evacuation zone 4 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 | St Lawrence Av — 6 · 0.9 mi straight-line (about a 23-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: White Plains Rd / Seward Av — Bx39 · 900 ft |
| School zones (2024–25 map) | Elementary: P.S. 100 Isaac Clason Middle: 375, 448. 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.
1841 Seward Avenue
| 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 |
1 311 service request 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 DOLPHIN PROPERTY SERVICES LLC — 79 buildings, 4,889 units. Grades across the portfolio: A5 · B32 · C22 · D16 · F2. See the whole portfolio
showing 60 of 79 buildings
Most recent mortgage recorded against this lot: $1,373,820 on 2024-01-05 (lender: M&t Realty Capital Corporation). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2024-01-05 | Mortgage $1,373,820 — from STEVENSON B4 LLC; STEVENSON B4 HOUSING DEVELOPMENT FUND CO to M&T REALTY CAPITAL CORPORATION | $1,373,820 | |
| 2024-01-05 | AL&R $18,571,451 — from STEVENSON B4 HOUSING DEVELOPMENT FUND CO; STEVENSON B4 LLC to THE BANK OF NEW YORK MELLON | $18,571,451 | |
| 2024-01-05 | Mortgage $18,571,451 — from STEVENSON B4 HOUSING DEVELOPMENT FUND CO; STEVENSON B4 LLC to THE BANK OF NEW YORK MELLON | $18,571,451 | |
| 2024-01-05 | Mortgage $11,722,632 — from STEVENSON B4 HOUSING DEVELOPMENT FUND CO; STEVENSON B4 LLC to THE BANK OF NEW YORK MELLON | $11,722,632 | |
| 2024-01-05 | AL&R $28,127,101 — from STEVENSON B4 LLC; STEVENSON B4 HOUSING DEVELOPMENT FUND CO to THE BANK OF NEW YORK MELLON | $28,127,101 | |
| 2024-01-05 | Mortgage $28,127,101 — from STEVENSON B4 LLC; STEVENSON B4 HOUSING DEVELOPMENT FUND CO to THE BANK OF NEW YORK MELLON | $28,127,101 | |
| 2021-07-20 | Mortgage $48,000,000 — from STEVENSON COMMONS HOUSING COMPANY, INC.; STEVENSON COMMONS AFFORDABLE LLC to NEW YORK CITY HOUSING DEVELOPMENT CORPOR | $48,000,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2018 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2019 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2020 | 7 | 0 | 0 | 0 | 0 | 7 |
| 2021 | 1 | 0 | 0 | 3 | 0 | 4 |
| 2022 | 0 | 0 | 0 | 4 | 0 | 4 |
| 2023 | 7 | 0 | 0 | 10 | 0 | 17 |
| 2024 | 27 | 6 | 0 | 24 | 3 | 60 |
| 2025 | 16 | 5 | 0 | 0 | 1 | 22 |
| 2026 | 5 | 0 | 1 | 0 | 0 | 6 |
Every one of the 120 recorded events, 2020–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10473 · Landlord rankings · How grades work · The map · The Mice Map