SKYDB

SKYDB Building database

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

Rankings of tall buildings

Tall Building Markets

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Tall buildings, tracked.

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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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Research & data

Research with SKYDB InsightsData ExportsAPI AccessCreditsInteractive building map

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Professional building research, data exports and API access, plus advertising offerings.

SKYDB Insights charts showing buildings by decade, status, use, floor count and heightView Insights plans

About SKYDB

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Using SKYDB

Coverage and focusSources and qualityHow to add contentDefinitions and standardsKnowledge base

SKYDB is collecting verifiable information about buildings.

Chongqing skyline beside the riverAbout SKYDB

Panorama of New York City File 684-229-041

New York City, NY city

structure #939478272building

Alexandria Apartments

existing 46.3 m 14 floors 1917

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Location of Alexandria Apartments
Height Rankings

Object dataJoin to edit

Architectural Height46.3 m
Main Roof Height46.3 m
Roof Height45.7 m
Floors14
Completion1917
Structural Formhigh-rise building
Main Usageresidential
Status existing
Address250 West 103rd Street
Smart Address246–252 West 103rd Street
CityNew York City
CountryUnited States
Source: SKYDB | As of: 2026-09-20

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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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