SKYDB

SKYDB Building database

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

Rankings of tall buildings

Tall Building Markets

  • Global building statistics
  • Biggest cities worldwide
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  • Construction activity
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Professional building research, data exports and API access, plus advertising offerings.

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SKYDB Insights

Professional research into buildings, construction projects and participating companies.

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Tall buildings, tracked.

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Using SKYDB

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SKYDB is the source for tall building information worldwide.

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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.

Speaker at a lectern in front of a skyscraper presentationView award winners

Research & data

Research with SKYDB InsightsData ExportsAPI AccessCreditsInteractive building map

Consulting & advertising

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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 Washington File 192-839-327

Washington, DC city

structure #898071886building

Market Square North

existing 11 floors 1999

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Location of Market Square North

Object dataJoin to edit

Floors11
Completion1999
Structural Formhigh-rise building
Main Usagecommercial office
Status existing
Architectural Stylepostmodern
Address401 9th Street NW
Smart Address401–439 9th Street NW
Smart Address809–813 D Street NW
Smart Address812–816 E Street NW
CityWashington, DC
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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