You're hitting our fair-use limits. Hitting our limits.
Get API access
Or get a data export Wrongly blocked?
SKYDB
Data backbone

Other information
besides just buildings.

SKYDB is built from regions, companies, photos and the dictionary that ties them together. Pick a thread to pull.

Explore database →
RegionsBrowse every region on file→
CompaniesArchitects, developers, engineers→
Photos & RenderingsImagery from around the world→
DefinitionsTerms and concepts explained→
LicensingHow to license the data backbone→
New toolHeatmap modeSee structure density visualised across cities - beta.
Try heatmap →
Buildings, everywhere.

Unlimited ways
to discover.

Browse the top 1000 tallest, search for any building by name or attribute, or explore city-by-city statistics.

Explore buildings →
Search formFind content with ease.→
Top 1000 SkyscrapersUpdated as new towers complete→
Biggest CitiesView city-related statistics→
Biggest CountriesNational rankings + records→
RegionsBrowse buildings by region→
CompaniesArchitects, developers, engineers→
For SKYDB Premium usersChannelsChannels organize buildings across cities and countries by height or theme. Their building lists are available with SKYDB Premium.
Browse channels →
SKYDB Community

Where accuracy
comes from.

We are what makes SKYDB stand apart. Editors who care about buildings and care more about getting them right. Same standards, same care.

Community →
EditorsA community which matters→
MembershipsElevate your possibilities→
How to submitWhat we need and how to send it→
Add buildingLaunch the object tool→
Upload photosSubmit missing images→
My contentEverything you added and edited→
SpotlightFeatured PersonalityMarshall Gerometta is "the brain" when it comes to heights. As a veteran in the field, he also maintains the world's official list of the tallest skyscrapers.
Explore his work →
Since 30 years

The source
for tall buildings

SKYDB is creating the world's most comprehensive and deepest database of tall buildings. Used by professionals, maintained by experts.

Who we are →
Who we areExperts in the field→
Pricing and ServicesGet access to paid options.→
DefinitionsHow we measure and verify→
Knowledge BaseArticles + tutorials→
Get the NewsLatest announcements→
ContactReach out to the team.→
Featured activitySKYDB AwardsThe best skyscrapers of the world. Selected every year by SKYDB and its community members.
Visit the page →
Panorama of Chicago File 310-956-285

Chicago, IL city

Join SKYDB
structure #116436446building

One North State

existing 15 floors 1912

Full map Join SKYDB
Location of One North State

Object dataJoin to edit

Floors15
Completion1912
Last Renovation1998
Structural Formhigh-rise building
Main Usagecommercial office
Status existing
Architectural Stylechicago school
Address1 North State Street
Smart Address1 North State Street
Smart Address2 East Madison Street
CityChicago
CountryUnited States
Source: SKYDB | As of: 2026-09-16

Location

Full MapGoogle MapsBing Maps

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 190-501-503
    Photo 190-501-503
    Gerson Bros
  2. Photo 765-079-824
    Photo 765-079-824
    John W. Cahill
  3. Photo 238-175-908
    Photo 238-175-908
    John W. Cahill
  4. Photo 298-461-286
    Photo 298-461-286
    The University of Illinois at Chicago College of Architecture and the Arts
  5. Photo 763-555-872
    Photo 763-555-872
    Daniel Kieckhefer