312 recorded events, 1969–2026, from 17 city data systems. The city's paper trail here is mostly 81 HPD housing violations, 81 311 service requests, 74 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 73% 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 5.2. In ZIP 10459, 52% of residential buildings hold an A and 16% grade D or F. How grades work
Among 17,252 25-99-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 32 total — 3 class C (immediately hazardous), 21 class B, 8 class A. Oldest open since 1975-10-10. |
status snapshot refreshed weekly from HPD records
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
15 service requests in the last three years. Most common: Missed Collection (6) · PLUMBING (3) · FLOORING/STAIRS (2) · Illegal Parking (2) · Noise (1) · Abandoned Vehicle (1).
$147,000 in permitted construction work filed since 2016 (5 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.
| Yes | Built before 1974 (1923) |
| Yes | Six or more residential units (58) |
| 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) | 850 SOUTHERN BLVD HFDC |
| Head officer | CESAR CABRERA |
| Managing agent | CONCORD MANAGEMENT OF NY 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 | $1,910,000 | $859,500 |
| 2026 | $1,924,000 | $865,800 |
| 2027 | $2,219,000 | $998,550 |
The city's market estimate has risen 16% between tax years 2025 and 2027.
Tax exemptions on the roll: COLD WAR VETERAN - DISABILITY · SENIOR CITIZEN HOMEOWNER
For property tax, the Department of Finance values this co-op as if it were a rental building. Its 2022 estimate: gross income $729,864 a year ($17.43 per sq ft), operating expenses $438,002 ($10.46 per sq ft), net operating income $291,862. 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 50/100, posted at the entrance by law (2022 disclosure cycle) |
| Heating fuel | NATURALGAS |
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 | Longwood Av — 6 · 500 ft straight-line (about a 3-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Southern Blvd / Tiffany St — Bx19 · 400 ft |
| Citi Bike | Southern Blvd & Tiffany St · 300 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: The Longwood Academy of Discovery Middle: M.S. 302 Luisa Dessus Cruz. 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.
850 Southern Boulevard
| 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 |
15 311 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 CONCORD MANAGEMENT OF NY LLC — 301 buildings, 7,382 units. Grades across the portfolio: A20 · B63 · C84 · D80 · F52. See the whole portfolio
showing 60 of 301 buildings
Most recent mortgage recorded against this lot: $1 on 1995-03-31 (lender: NYC Hpd). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2019-08-23 | RPTT&RET $25,000 — from ESTATE OF INOSENCIO HERNANDEZ, JULIA HER; HERNANDEZ, JULIA to CABRERA, KIMBERLY | $25,000 | |
| 2019-08-15 | Sold for $25,000 | $25,000 | $431 |
| 2013-08-05 | RPTT&RET $20,000 — from 850 SOUTHERN BOULEVARD HOUSING DEVELOPME to SORIANO, VIRGINIA | $20,000 | |
| 2013-04-29 | RPTT&RET $33,000 — from 850 SOUTHERN BOULEVARD HOUSING DEVELOPME to ROSARIO SORIANO, FLOR J | $33,000 | |
| 2012-05-29 | RPTT&RET $10,000 — from 850 SOUTHERN BOULEVARD HOUSING DEVELOPME to QUINTELA , TANYA | $10,000 | |
| 2010-01-20 | RPTT&RET $10,000 — from 850 SOUTHERN BOULEVARD HOUSING DEVELOPME to ABAD, JAHAIRA; ABAD , CHRISTIAN | $10,000 | |
| 2007-11-26 | RPTT&RET $15,000 — from 850 SOUTHERN BLVD HDFC to CARRANZA, MARILIN | $15,000 | |
| 2007-08-23 | RPTT&RET $15,000 — from 850 SOUTHERN BOULEVARD HDFC to CABRERA, MELBA | $15,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 3 | 0 | 30 | 0 | 2 | 35 |
| 2018 | 0 | 0 | 5 | 0 | 0 | 5 |
| 2019 | 7 | 0 | 42 | 2 | 1 | 52 |
| 2020 | 0 | 0 | 6 | 0 | 1 | 7 |
| 2021 | 0 | 2 | 5 | 0 | 1 | 8 |
| 2022 | 0 | 0 | 4 | 1 | 1 | 6 |
| 2023 | 0 | 0 | 17 | 0 | 2 | 19 |
| 2024 | 0 | 1 | 3 | 0 | 2 | 6 |
| 2025 | 0 | 0 | 15 | 0 | 2 | 17 |
| 2026 | 0 | 0 | 2 | 0 | 1 | 3 |
Every one of the 312 recorded events, 1969–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10459 · Landlord rankings · How grades work · The map · The Mice Map