2,081 recorded events, 1977–2026, from 17 city data systems. The city's paper trail here is mostly 730 DOB permits, 621 DOB job filings, 249 311 service requests.
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.
81 service requests in the last three years. Most common: Encampment (22) · Vendor Enforcement (21) · Homeless Person Assistance (19) · Panhandling (6) · Illegal Parking (3) · For Hire Vehicle Complaint (2).
$44,439,100 in permitted construction work filed since 2016 (224 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 | $171,851,000 | $77,332,950 |
| 2026 | $179,267,000 | $80,670,150 |
| 2027 | $162,222,200 | $73,000,000 |
The city's market estimate has fallen 6% between tax years 2025 and 2027.
| Facade (Local Law 11) | SWARMP — "Safe With A Repair and Maintenance Program": known facade conditions that must be repaired (cycle 9) |
| Restaurant | Cuisine | Grade | Notes |
|---|---|---|---|
| Coffee At | Coffee/Tea | A | — |
Report to 311: Food poisoning · Food safety complaint
1 restaurant · 0 with mice evidence · See them on the Mice Map
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.
| Subway | Grand Central-42 St — 4 5 6 7 S · 400 ft straight-line (about a 2-minute walk) · station accessibility: full 42 St-Bryant Pk — 7 B D F M · 500 ft straight-line (about a 3-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: 5 Av / W 44 St — M4 M5 · 250 ft |
| Citi Bike | W 44 St & 5 Ave · 300 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 116 Mary Lindley Murray Middle: J.H.S. 104 Simon Baruch. 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.
521 5 Avenue
| Rats or mice | Rats or mice |
| Food poisoning | Food poisoning |
| Food safety complaint | Food safety complaint |
| Anything else | Anything else |
81 311 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: $72,000,000 on 2019-06-14 (lender: Deutsche Bank Ag, New York Branch). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2019-06-14 | AL&R $242,000,000 — from 521 FIFTH AVENUE PROPERTY INVESTORS IV, to DEUTSCHE BANK AG, NEW YORK BRANCH | $242,000,000 | |
| 2019-06-14 | Agreement $242,000,000 — from 521 FIFTH AVENUE PROPERTY INVESTORS IV, to DEUTSCHE BANK AG, NEW YORK BRANCH | $242,000,000 | |
| 2019-06-14 | Mortgage $72,000,000 — from 521 FIFTH AVENUE PROPERTY INVESTORS IV, to DEUTSCHE BANK AG, NEW YORK BRANCH | $72,000,000 | |
| 2019-05-23 | Deed $379,283,537 — from 521 FIFTH FEE OWNER LLC to 521 FIFTH AVENUE PROPERTY INVESTORS IV, | $379,283,537 | |
| 2019-05-22 | Sold for $379,283,537 | $379,283,537 | $6,217,763 |
| 2018-01-02 | RPTT $28,050,000 — from LEVEL 3 COMMUNICATIONS LLC to CENTURY LINK INC. | $28,050,000 | |
| 2015-01-07 | RPTT $3,535,942 — from TW TELECOM, INC.; TW TELECOM, INC. to LEVEL 3 COMMUNICATIONS, LLC; LEVEL 3 COMMUNICATIONS, LLC | $3,535,942 | |
| 2015-01-07 | RPTT $3,535,942 — from TW TELECOM, INC.; TW TELECOM, INC. to LEVEL 3 COMMUNICATIONS, LLC; LEVEL 3 COMMUNICATIONS, LLC | $3,535,942 | |
| 2012-12-13 | Agreement $170,000,000 — from GREEN 521 FIFTH AVENUE LLC to NEW YORK COMMERCIAL BANK | $170,000,000 | |
| 2012-12-13 | Deed $170,000,000 — from GREEN 521 FIFTH AVENUE LLC to 521 FIFTH FEE OWNER LLC | $170,000,000 | |
| 2012-12-13 | Agreement $170,000,000 — from 521 FIFTH FEE OWNER LLC; GREEN 521 FIFTH AVENUE LLC to NEW YORK COMMERCIAL BANK | $170,000,000 | |
| 2012-12-13 | Mortgage $20,000,000 — from GREEN 521 FIFTH AVENUE LLC to NEW YORK COMMERCIAL BANK | $20,000,000 | |
| 2011-05-02 | AL&R $150,000,000 — from GREEN 521 FIFTH AVENUE LLC to UNITED OVERSEAS BANK LIMITED, NEW YORK A | $150,000,000 | |
| 2011-05-02 | M&CON $150,000,000 — from GREEN 521 FIFTH AVENUE LLC to UNITED OVERSEAS BANK LIMITED, NEW YORK A | $150,000,000 | |
| 2011-05-02 | Deed $225,000,000 — from 300-521 FEE LLC; 104-521 FEE LLC to GREEN 521 FIFTH AVENUE LLC | $225,000,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 37 | 10 | 54 | 0 | 5 | 106 |
| 2018 | 83 | 14 | 11 | 1 | 3 | 112 |
| 2019 | 35 | 12 | 12 | 11 | 11 | 81 |
| 2020 | 104 | 7 | 2 | 0 | 11 | 124 |
| 2021 | 50 | 5 | 6 | 0 | 7 | 68 |
| 2022 | 73 | 7 | 3 | 0 | 19 | 102 |
| 2023 | 10 | 10 | 4 | 1 | 8 | 33 |
| 2024 | 13 | 6 | 11 | 1 | 3 | 34 |
| 2025 | 5 | 8 | 57 | 0 | 1 | 71 |
| 2026 | 7 | 0 | 13 | 0 | 0 | 20 |
Every one of the 2,081 recorded events, 1977–2026, is laid out year by year in the full report (print-ready).
Explore: Landlord rankings · How grades work · The map · The Mice Map