355 recorded events, 1900–2026, from 14 city data systems. The city's paper trail here is mostly 148 311 service requests, 109 HPD complaints, 36 HPD housing violations.
Full record, year by year Support this site
The city's published records show little recorded distress here in the last three years. More recorded distress than 60% 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 40.7. In ZIP 10471, 90% of residential buildings hold an A and 2% 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 | 17 total — 8 class C (immediately hazardous), 2 class B, 7 class A. Oldest open since 1994-08-08. |
status snapshot refreshed weekly from HPD records
10 heat or hot-water complaints in the last three years (winter 2023–24: 4).
No bedbug-infested units reported in the last three years of filings.
$4,800 in enforcement penalties imposed (ECB/OATH) in the last three years.
55 service requests in the last three years. Most common: Rodent (17) · UNSANITARY CONDITION (6) · HEAT/HOT WATER (5) · Illegal Parking (5) · FLOORING/STAIRS (5) · PAINT/PLASTER (4).
$9,000 in permitted construction work filed since 2016 (1 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 (1928) |
| Yes | Six or more residential units (29) |
| 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) | 5804 TYNDALL AVENUE REALTY LLC |
| Head officer | ANTHONY GUIDA |
| Managing agent | HSC MANAGEMENT CORP. |
| Last registered | 2024-10-08 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $1,525,000 | $686,250 |
| 2026 | $1,269,000 | $571,050 |
| 2027 | $1,297,000 | $583,650 |
The city's market estimate has fallen 15% between tax years 2025 and 2027.
| Energy grade (LL33) | D — ENERGY STAR score 39/100, posted at the entrance by law (2022 disclosure cycle) |
| 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.
| Bus | Nearest boarding stop: Riverdale Av / W 259 St — Bx7 Bx10 · 900 ft |
| Citi Bike | Fieldston Rd & Mosholu Ave · 250 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 081 Robert J. Christen Middle: Riverdale / Kingsbridge Academy (Middle School / High School 141). 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.
5804 Tyndall 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 |
55 311 service requests from this address in the last three years — 5 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 HSC MANAGEMENT CORP. — 117 buildings, 2,929 units. Grades across the portfolio: A72 · B24 · C18 · D2. See the whole portfolio
showing 60 of 117 buildings
| Year | Construction | Enforcement | Housing & tenants | Health & systems | Total |
|---|---|---|---|---|---|
| 2017 | 0 | 0 | 7 | 1 | 8 |
| 2018 | 0 | 1 | 6 | 1 | 8 |
| 2019 | 0 | 0 | 19 | 1 | 20 |
| 2020 | 0 | 0 | 15 | 1 | 16 |
| 2021 | 0 | 1 | 26 | 1 | 28 |
| 2022 | 0 | 1 | 33 | 1 | 35 |
| 2023 | 0 | 6 | 40 | 1 | 47 |
| 2024 | 2 | 1 | 25 | 2 | 30 |
| 2025 | 3 | 4 | 41 | 1 | 49 |
| 2026 | 0 | 0 | 30 | 13 | 43 |
Every one of the 355 recorded events, 1900–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10471 · Landlord rankings · How grades work · The map · The Mice Map