SKYDB

SKYDB Building database

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

Rankings of tall buildings

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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

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SKYDB is collecting verifiable information about buildings.

Chongqing skyline beside the riverAbout SKYDB

Panorama of Washington File 765-378-349

Washington, DC city

structure #918829421building

Treasury Annex

existing 6 floors 1919

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Location of Treasury Annex

Object dataJoin to edit

Floors6
Completion1919
Structural Formlow-rise building
Main Usagegovernment office
Status existing
Architectural Styleneo-classical
AddressPennsylvania Avenue & Madison Place NW, NE corner
Smart Address715 Madison Place NW
Smart Address1509 Pennsylvania Avenue NW
CityWashington
CountryUnited States
Source: SKYDB | As of: 2026-09-21

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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.

Files Join to upload

  1. Photo 529-554-401
    Photo 529-554-401
    Rodney Gunn
  2. Photo 479-270-064
    Photo 479-270-064
    Rodney Gunn