Stiffness where it preserves the views
WSP describes two main shear walls on the east and west, leaving the north and south elevations open to views. The reported 24:1 slenderness makes lateral serviceability especially important.
WORLD RANK 28 [1]
111 West 57th Street
New York City · United States · Completed 2021
435.3 metres tall, 111 West 57th Street is a residential skyscraper in New York City, United States. It ranks number 28 among the world's tallest completed buildings by architectural height. [2]
435.31,428 m ft
ARCHITECTURAL HEIGHT / 1,428 FEET [2]
THE BUILDING, IN NUMBERS
Key facts
| Architectural height | 435.3 m1,428 ft |
| Height to tip | Not confirmed |
| Highest occupied floor | Not confirmed |
| Observation deck | Not confirmed |
| Floors above ground | 84 |
| Floors below ground | Not confirmed |
| Completed | 2021 |
A note on these measurements
Directory record added 9 September 2026. The original top-ten engineering dossiers have a deeper independent review; this record does not claim that same verification level. See source ↗
ENGINEERING DOSSIER
How 111 West 57th Street works
Project evidence, construction records and the limits of what is documented. A named consultant’s role is kept separate from the architect, contractor and local engineer of record.
Movement, crown and finishes
A tuned mass damper controls motion near the top, while lightweight steel forms the crown. WSP also identifies coordination of movement with facade and interior finishes. Comfortable accelerations and tolerable differential movement are distinct from ultimate structural strength.
Technical source checked : WSP: 111 West 57th Street ↗. This check covers the notes above, not every measurement in the directory.
| Topic | Recorded information | How to interpret it |
|---|---|---|
| Structural system | Concrete shear walls; lightweight steel crown [source] | The frame description needs to distinguish gravity support from wind and earthquake resistance. Read the engineering guide ↗ |
| Main structural material | concrete steel [source] | A material label does not establish steel grade, concrete strength, fire protection or connection details. Read the engineering guide ↗ |
| Basement levels | Not confirmed | Basement count does not establish pile depth, founding stratum, bearing pressure or the excavation sequence. Read the engineering guide ↗ |
| Elevator count | Not confirmed | Car count does not establish passenger capacity, speed, zoning, redundancy or peak traffic performance. Read the engineering guide ↗ |
| Construction start | Not confirmed | A start year can refer to enabling works, foundations or the main construction contract. Read the engineering guide ↗ |
| Structural topping out | Not confirmed | Topping out marks a structural milestone; facade work, commissioning and occupancy can follow later. Read the engineering guide ↗ |
Reading the vertical dimensions
The directory records 435.3 metres of architectural height and 84 above-ground floors. The highest occupied level has not been confirmed here. Measurement source ↗
Dividing architectural height by floor count would include the crown and any unequal floor heights. It cannot be used as a typical floor-to-floor dimension, a measure of slenderness or a structural design input.
Questions for a deeper technical review
Foundation tests, core and column sizes, construction-stage stability, creep and shortening allowances, wind-tunnel results and facade movement tolerances need project-specific evidence. Their absence here does not imply that the project lacked those studies.
SIDE BY SIDE
A sense of scale.
Height bars use the same scale. They do not represent building shape. Measurement source ↗
CHECK THE DETAILS
Sources & references
Wikidata open-data record ↗www.wikidata.orgWikipedia: building and project facts ↗en.wikipedia.orgWikipedia: architectural-height list, reviewed September 2026 ↗en.wikipedia.org
Record updated 2026-09-16. Sources can differ on height categories, floor counts and completion milestones. Read our methodology.
Explore this building
EVIDENCE & CHANGES
Verification history
Directory record updated . No dated field checks have been recorded. Updating the page does not re-verify every fact.
View 0 recorded field checks
| Checked | Field | Evidence and decision |
|---|
Correction and publication log
- : added a visible evidence register and change history. The initial evidence-register release preserved the existing measurements; subsequent corrections appear above.
- : added project-specific technical notes.
Existing source decisions and caveats
- Sourced directory record; full independent field review pending.
These notes predate this visible log. Their original change dates are not reconstructed.
Earlier record edits may not have a complete audit trail. Read the methodology and correction policy ↗
QUICK ANSWERS
Common questions
How tall is 111 West 57th Street?
111 West 57th Street reaches 435.3 metres (1,428 feet) by architectural height.
When was 111 West 57th Street completed?
It was completed in 2021.
Where is 111 West 57th Street?
111 West 57th Street stands in New York City, United States.
How many floors does 111 West 57th Street have?
It has 84 above-ground floors.