4,043 recorded events, 1967–2026, from 17 city data systems. The city's paper trail here is mostly 1,766 DOB permits, 1,427 DOB job filings, 240 311 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.
54 service requests in the last three years. Most common: Vendor Enforcement (20) · Illegal Parking (10) · Lost Property (4) · For Hire Vehicle Complaint (3) · Noise (2) · Hazardous Materials (2).
$232,989,859 in permitted construction work filed since 2016 (508 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 | $635,761,000 | $286,092,450 |
| 2026 | $641,170,000 | $288,526,500 |
| 2027 | $647,788,000 | $291,504,600 |
The city's market estimate has risen 2% between tax years 2025 and 2027.
| Energy grade (LL33) | A — ENERGY STAR score 88/100 (2022 disclosure cycle) |
| Heating fuel | NO2FUEL |
| Facade (Local Law 11) | SAFE (cycle 9) |
| Restaurant | Cuisine | Grade | Notes |
|---|---|---|---|
| Jef's Express | American | A | — |
| Jefferies Cafe (5th Floor) | American | A | — |
| San Pietro | Italian | A | Mice evidence |
| Santi | Italian | A | — |
Report to 311: Food poisoning · Food safety complaint
4 restaurants · 1 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.
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 | 5 Av/53 St — E F · 250 ft straight-line (about a 1-minute walk) · station accessibility: none 51 St — 6 E F · 0.2 mi straight-line (about a 6-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: 5 Av / W 53 St — M1 M2 M3 · 450 ft |
| Citi Bike | E 53 St & Madison Ave · 250 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 059 Beekman Hill International 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.
512 Madison Avenue
| Rats or mice | Rats or mice |
| Food poisoning | Food poisoning |
| Food safety complaint | Food safety complaint |
| Anything else | Anything else |
54 311 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: $200,000,000 on 2014-07-23 (lender: Bank Of America, N.A. and German American Capital Corporation), covering 2 lots — the amount covers all of them. Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2018-01-02 | RPTT $28,050,000 — from LEVEL 3 COMMUNICATIONS LLC to CENTURY LINK INC. | $28,050,000 | |
| 2014-07-23 | Mortgage $200,000,000 — from 520 MADISON OWNERS, L.L.C. to BANK OF AMERICA, N.A.; GERMAN AMERICAN CAPITAL CORPORATION | $200,000,000 | |
| 2014-07-23 | AL&R $675,000,000 — from 520 MADISON OWNERS, L.L.C. to GERMAN AMERICAN CAPITAL CORPORATION; BANK OF AMERICA, N.A. | $675,000,000 | |
| 2014-07-23 | Agreement $675,000,000 — from 520 MADISON OWNERS, L.L.C. to BANK OF AMERICA, N.A.; GERMAN AMERICAN CAPITAL CORPORATION | $675,000,000 | |
| 2007-01-17 | RPTT $15,792,259 — from MCI, INC, ON BEHALF OF ITS FORMER SHAREH; SHAREHOLDERS OF MCI INC.; MCI, INC., ON BEHALF O to ELI ACQUISITION LLC; ELI ACQUISITION LLC | $15,792,259 | |
| 2007-01-17 | RPTT $15,792,259 — from MCI, INC, ON BEHALF OF ITS FORMER SHAREH; SHAREHOLDERS OF MCI INC.; MCI, INC., ON BEHALF O to ELI ACQUISITION LLC; ELI ACQUISITION LLC | $15,792,259 | |
| 2006-11-02 | M&CON $475,000,000 — from 520 MADISON OWNERS, L.L.C. to LEHMAN BROTHERS BANK, FSB | $475,000,000 | |
| 2006-11-02 | AL&R $475,000,000 — from LEHMAN BROTHERS BANK, FSB to 520 MADISON OWNERS, L.L.C. | $475,000,000 | |
| 2006-10-25 | AL&R $425,000,000 — from LEHMAN BROTHERS BANK, FSB to 520 MADISON OWNERS, L.L.C. | $425,000,000 | |
| 2006-10-25 | M&CON $425,000,000 — from 520 MADISON OWNERS, L.L.C. to LEHMAN BROTHERS BANK, FSB | $425,000,000 | |
| 2003-02-12 | Mortgage $80,000,000 — from 520 MADISON OWNERS, L.L.C. to ARCHON FINANCIAL, L.P. | $80,000,000 | |
| 2001-09-26 | Mortgage $60,000,000 — from 520 MADISON VENTURE; TISHMAN SPEYER 520 VENTURE to MBO NORTH AMERICA FINANCE B.V. | $60,000,000 | |
| 1999-12-08 | Mortgage $13,604,624 — from TISHMAN SPEYER; 520 MADISON VENTURE; FIFTH MADISON VENTURE to WESTDEUTSCHE IMMOBILIENBANK | $13,604,624 | |
| 1982-10-04 | Mortgage $70,000,000 — from TISHMAN SPEYER 520 VENTU to TEACHERS INS&ANNUITYETC | $70,000,000 | |
| 1982-10-04 | Mortgage $52,000,000 — from TISHMAN SPEYER 520 ETC. to NATIONALE-NEDERLANDETC. | $52,000,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 102 | 10 | 10 | 1 | 7 | 130 |
| 2018 | 162 | 7 | 10 | 1 | 12 | 192 |
| 2019 | 156 | 14 | 17 | 0 | 24 | 211 |
| 2020 | 97 | 2 | 15 | 0 | 5 | 119 |
| 2021 | 69 | 5 | 18 | 0 | 2 | 94 |
| 2022 | 35 | 5 | 14 | 1 | 4 | 59 |
| 2023 | 22 | 0 | 12 | 0 | 8 | 42 |
| 2024 | 89 | 0 | 13 | 2 | 6 | 110 |
| 2025 | 99 | 2 | 25 | 0 | 4 | 130 |
| 2026 | 87 | 4 | 14 | 0 | 7 | 112 |
Every one of the 4,043 recorded events, 1967–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10022 · Landlord rankings · How grades work · The map · The Mice Map