403 recorded events, 1976–2026, from 11 city data systems. The city's paper trail here is mostly 175 311 service requests, 74 DOB permits, 49 DOB job filings.
Full record, year by year Support this site
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
47 service requests in the last three years. Most common: Sidewalk Condition (15) · Street Sign (5) · Blocked Driveway (5) · Noise (4) · Consumer Complaint (2) · Graffiti (2).
$1,386,279 in permitted construction work filed since 2016 (20 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 | $5,440,000 | $2,448,000 |
| 2026 | $4,896,000 | $2,203,200 |
| 2027 | $5,216,000 | $2,347,200 |
The city's market estimate has fallen 4% between tax years 2025 and 2027.
| Restaurant | Cuisine | Grade | Notes |
|---|---|---|---|
| 19 Empire Restaurant | Chinese | A | — |
Report to 311: Food poisoning · Food safety complaint
1 restaurant · 0 with mice evidence · See them on the Mice Map
1 Food Establishment complaint to 311 at this address in the last three years (most often: Rodents/Insects/Garbage) · 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 2010 (0 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 | Marble Hill-225 St — 1 · 0.5 mi straight-line (about a 12-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Kappock St / Knolls Cres — Bx10 Bx20 BxM1 BxM2 +1 more · 250 ft |
| Citi Bike | Knolls Crescent & Kappock St · 100 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 024 Spuyten Duyvil 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.
11 Knolls Crescent
| Rats or mice | Rats or mice |
| Food poisoning | Food poisoning |
| Food safety complaint | Food safety complaint |
| Anything else | Anything else |
47 311 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: $4,500,000 on 2018-06-01 (lender: American Memorial Life Insurance Company). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2018-06-01 | Mortgage $400,216 — from 11 KNOLLS CRESCENT LLC to AMERICAN MEMORIAL LIFE INSURANCE COMPANY | $400,216 | |
| 2018-06-01 | Mortgage $4,500,000 — from 11 KNOLLS CRESCENT LLC to AMERICAN MEMORIAL LIFE INSURANCE COMPANY | $4,500,000 | |
| 2018-06-01 | AL&R $4,500,000 — from 11 KNOLLS CRESCENT LLC to AMERICAN MEMORIAL LIFE INSURANCE COMPANY | $4,500,000 | |
| 2008-02-07 | Mortgage $5,000,000 — from 11 KNOLLS CRESCENT LLC to MANUFACTURERS AND TRADERS TRUST COMPANY | $5,000,000 | |
| 2008-02-07 | AL&R $5,000,000 — from 11 KNOLLS CRESCENT LLC to MANUFACTURERS AND TRADERS TRUST COMPANY | $5,000,000 | |
| 2007-11-29 | Deed $10,300,000 — from CHASI REALTY LLC to 11 KNOLLS CRESCENT LLC | $10,300,000 | |
| 1987-12-21 | Mortgage $1,000,000 — from ZWERDLING, CHARLES to DIME SAVINGS BANK/NYFSB | $1,000,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 5 | 13 | 0 | 12 | 30 |
| 2018 | 6 | 1 | 11 | 5 | 0 | 23 |
| 2019 | 10 | 1 | 4 | 0 | 3 | 18 |
| 2020 | 10 | 0 | 15 | 0 | 2 | 27 |
| 2021 | 2 | 0 | 10 | 0 | 0 | 12 |
| 2022 | 1 | 3 | 9 | 0 | 0 | 13 |
| 2023 | 0 | 4 | 8 | 0 | 0 | 12 |
| 2024 | 0 | 6 | 9 | 0 | 1 | 16 |
| 2025 | 0 | 9 | 11 | 0 | 1 | 21 |
| 2026 | 9 | 0 | 28 | 0 | 2 | 39 |
Every one of the 403 recorded events, 1976–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10463 · Landlord rankings · How grades work · The map · The Mice Map