SKYDB

SKYDB Building database

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

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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

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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 Chicago File 251-493-889
Chicago, IL city
structure #870165950building

Chicago Marriott Downtown

existing 140.2 m 45 floors 1978

Full map Join SKYDB
Location of Chicago Marriott Downtown
Height Rankings

Object dataJoin to edit

Tip Height140.2 m
Architectural Height140.2 m
Roof Height140.2 m
Floors45
Completion1978
Structural Formskyscraper
Main Usagehotel
Status existing
Architectural Stylemodern
Address540 North Michigan Avenue
Smart Address540 North Michigan Avenue
Smart Address100 East Grand Avenue
Smart Address101 East Ohio Street
Smart Address545 North Rush Street
ZoneMagnificent Mile
1st Level DistrictDowntown
2nd Level DistrictNear North Side
CityChicago, IL
CountryUnited States
Source: SKYDB | As of: 2026-09-29

Location

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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 176-600-727
    Photo 176-600-727
    B. Victor Adams
  2. Photo 072-653-667
    Photo 072-653-667
    Nate Lindsey
  3. Photo 926-561-357
    Photo 926-561-357
    Nate Lindsey
  4. Photo 751-053-184
    Photo 751-053-184
    Daniel Kieckhefer