SKYDB

SKYDB Building database

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Rankings of tall buildings

World’s tallest skyscrapersTallest under constructionTallest planned buildingsBiggest citiesBiggest countries

Tall Building Markets

Global building statisticsBiggest cities worldwideCountry market overviewsConstruction activityAnnual completions

Tall buildings worldwide, with heights, construction status and the companies involved.

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Chongqing skyline beside the riverAbout SKYDB
Panorama of New York City File 684-229-041
New York City, NY city
structure #85052233building

Altair 20

existing 41.1 m 11 floors 1905

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Location of Altair 20
Height Rankings

Object dataJoin to edit

Architectural Height41.1 m
Main Roof Height40.9 m
Floors11
Completion1905
Last Renovation2005
Structural Formhigh-rise building
Main Usageresidential condominium
Status existing
Address15 West 20th Street
Smart Address13–15 West 20th Street
ZoneLadies Mile
1st Level DistrictManhattan
2nd Level DistrictFlatiron
CityNew York City, NY
CountryUnited States
Source: SKYDB | As of: 2026-09-29

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Rating

The rating reflects architectural quality and visual impact as judged by SKYDB users, and feeds into how this building is ranked across the site.

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  1. Photo 144-193-571
    Photo 144-193-571
    Royce Douglas