520 WEST END AVENUE
BBL 1012330001 · Class C5 · Built 1892 · 4 floors · 10 units · 520 TOWNHOUSE, LLC
520 WEST END AVENUE is a property in New York City zoned R10A. The R10A classification is Residential R10A. The structure was built in 1892. It has 4 floors. The building contains 8,287 square feet. Built FAR is 3.05 of 10 maximum allowed. Assessed value is $2,030,400. Last sold for $3,500,000 in November 2025. Located in Council District 6.
You can build 27K sf as-of-right. The lot uses 31% of it today.
Governing use: residential at FAR 10.00 on a 2,717 sqft lot. As-of-right means no rezoning, no variance — figures from PLUTO; verify with a zoning attorney before you underwrite.
The envelope, itemized
Every time the city discussed this parcel
No development cases on file for this parcel
When a ULURP, BSA, or landmark application touches this lot, it appears here with its full hearing trail.
Ownership chain
5 recorded transfers| Date | Type | Price | From → To |
|---|---|---|---|
| Nov 26, 2025 | DEED | $3,500,000 | 520 TOWNHOUSE, LLC→520 WEA LLC |
| Sep 14, 2009 | DEED | — | STUX, IVAN E→520 TOWNHOUSE, LLC |
| Feb 26, 2008 | DEED | — | THE STUX 520 GROUP, LP→520 TOWNHOUSE, LLC |
| Dec 31, 1984 | DEED | — | SCHWARTZBERG, ANKA→STUX, IVAN |
| Dec 31, 1984 | DEED | — | STUX, IVAN E.→STUX, IVAN E. INDIVIDUAL |