247 recorded events, 1968–2026, from 12 city data systems. The city's paper trail here is mostly 93 311 service requests, 61 ACRIS deeds & mortgages, 27 DOB permits.
Full record, year by year Support this site
2 heat or hot-water complaints in the last three years (winter 2025–26: 2).
No bedbug-infested units reported in the last three years of filings.
26 service requests in the last three years. Most common: Dirty Condition (5) · Food Establishment (4) · Consumer Complaint (4) · Food Poisoning (2) · Sewer (2) · Graffiti (1).
$248,879 in permitted construction work filed since 2016 (6 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.
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $1,810,000 | $814,500 |
| 2026 | $1,823,000 | $820,350 |
| 2027 | $1,834,000 | $825,300 |
The city's market estimate has risen 1% between tax years 2025 and 2027.
| Restaurant | Cuisine | Grade | Notes |
|---|---|---|---|
| Dunkin | Donuts | A | — |
| GIOVANI’S Big Pizza | Pizza | A | — |
| No. 1 Kitchen | Chinese | A | Mice evidence |
| Subway | Sandwiches | A | Mice evidence |
Report to 311: Food poisoning · Food safety complaint
4 restaurants · 2 with mice evidence · See them on the Mice Map
2 food-poisoning reports to 311 at this address in the last three years (0 with three or more people sick), shared by 4 restaurants
4 Food Establishment complaints to 311 at this address in the last three years (most often: Food Spoiled, Food Contaminated, Kitchen/Food Prep Area), shared by 4 restaurants · complaints filed by the public; DOHMH investigates, outcomes aren't published.
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.
1 street-flooding or sewer-backup complaints at this address since 2025 (1 in the last three years).
Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.
| Subway | Prospect Av — 2 5 · 50 ft straight-line (under a minute) · station accessibility: none |
| Bus | Nearest boarding stop: Prospect Av / Westchester Av — Bx17 · 100 ft |
| Citi Bike | Westchester Ave & Longwood Ave · 200 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: Elementary schools in this district are not zoned. 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.
839 Prospect Avenue
| Rats or mice | Rats or mice |
| Food poisoning | Food poisoning |
| Food safety complaint | Food safety complaint |
| Anything else | Anything else |
26 311 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.
Most recent mortgage recorded against this lot: $33,838 on 2021-02-16 (lender: Savoy Bank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2021-12-23 | CMTG $500,000 — from 839 PROSPECT LLC to HANOVER COMMUNITY BANK | $500,000 | |
| 2021-02-16 | AL&R $2,625,000 — from 839 PROSPECT LLC to SAVOY BANK | $2,625,000 | |
| 2021-02-16 | Deed $4,000,000 — from FRANCIACORTA PROPERTIES, LLC to 839 PROSPECT LLC | $4,000,000 | |
| 2021-02-16 | Mortgage $33,838 — from 839 PROSPECT LLC to SAVOY BANK | $33,838 | |
| 2021-02-16 | Agreement $2,625,000 — from 839 PROSPECT LLC to SAVOY BANK | $2,625,000 | |
| 2021-02-04 | Sold for $4,000,000 | $4,000,000 | $666,667 |
| 2017-11-16 | AL&R $350,000 to SIGNATURE BANK | $350,000 | |
| 2017-11-16 | Mortgage $350,000 — from FRANCIACORT PROPERTIES LLC to SIGNATURE BANK | $350,000 | |
| 2015-09-30 | AL&R $2,500,000 — from FRANCIACORTA PROPERTIES LLC to SIGNATURE BANK | $2,500,000 | |
| 2015-09-30 | Agreement $2,500,000 — from FRANCIACORTA PROPERTIES LLC to SIGNATURE BANK | $2,500,000 | |
| 2015-09-30 | Mortgage $801,903 — from FRANCIACORTA PROPERTIES LLC to SIGNATURE BANK | $801,903 | |
| 2013-03-20 | Mortgage $584,050 — from FRANCIACORTA PROPERTIES LLC to SIGNATURE BANK | $584,050 | |
| 2013-03-20 | AL&R $1,800,000 — from FRANCIACORTA PROPERTIES LLC to SIGNATURE BANK | $1,800,000 | |
| 2013-03-20 | Agreement $1,800,000 — from FRANCIACORTA PROPERTIES LLC to SIGNATURE BANK | $1,800,000 | |
| 2008-04-07 | Mortgage $376,441 — from FRANCIACORTA PROPERTIES, LLC to FIRST CENTRAL SAVINGS BANK | $376,441 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 2 | 3 | 2 | 0 | 7 |
| 2018 | 0 | 0 | 5 | 0 | 0 | 5 |
| 2019 | 0 | 0 | 3 | 0 | 0 | 3 |
| 2020 | 0 | 1 | 6 | 0 | 0 | 7 |
| 2021 | 0 | 0 | 5 | 10 | 0 | 15 |
| 2022 | 0 | 0 | 18 | 0 | 0 | 18 |
| 2023 | 9 | 0 | 1 | 0 | 10 | 20 |
| 2024 | 0 | 0 | 7 | 0 | 9 | 16 |
| 2025 | 2 | 0 | 8 | 0 | 5 | 15 |
| 2026 | 0 | 0 | 12 | 0 | 4 | 16 |
Every one of the 247 recorded events, 1968–2026, 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