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
  • Country market overviews
  • Construction activity
  • Annual completions
Speaker at a lectern in front of a skyscraper presentation

SKYDB Awards

The community is honoring the best new skyscrapers. A legacy since 1999.

View award winners

SKYDB Membership

Create a free account, choose Premium or apply to contribute as a volunteering Editor.

Choose your access

SKYDB Community

SKYDB Editors visiting a skyscraper construction site

Join for free

Become a volunteering Editor optionally or get Editor rights with Premium.

Compare memberships

SKYDB Products

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

Research & data

Consulting & advertising

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

SKYDB Insights

Professional research into buildings and participating companies.

View Insights plans

Tall buildings, tracked.

SKYDB is collecting verifiable information about buildings.

About SKYDB

Using SKYDB

Chongqing skyline beside the river

Who we are

SKYDB is the source for tall building information worldwide.

About SKYDB

Interactive building map

Explore all projects on an interactive map anywhere on earth.

Free map access

Upgrade your map experience

SKYDB map with building pins and a building record in Lower Manhattan

Join SKYDB

The map is for registered members. Create a free account to explore.

Create a free account
Panorama of Chicago File 251-493-889
Chicago, IL city
structure #904411989building

Sky55

existing 129.4 m 40 floors 2006

Full map Join SKYDB
Location of Sky55
Height Rankings

Object dataJoin to edit

Architectural Height129.4 m
Building Mass Height129.4 m
Roof Height129.0 m
Main Roof Height124.2 m
Height Top Floor119.7 m
Floors40
Completion2006
Structural Formskyscraper
Main Usagerental housing
Status existing
Address1255 South Michigan Avenue
Smart Address1301 South Michigan Avenue
Smart Address1255 South Michigan Avenue
Smart Address100 East 13th Street
CityChicago, IL
CountryUnited States
Source: SKYDB | As of: 2026-11-04

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 uploadview all 272 photos

  1. Photo 885-045-169
    Photo 885-045-169
    Daniel Kieckhefer
  2. Photo 592-591-171
    Photo 592-591-171
    B. Victor Adams
  3. Photo 859-382-812
    Photo 859-382-812
    Daniel Kieckhefer
  4. Photo 429-839-087
    Photo 429-839-087
    B. Victor Adams
  5. Photo 453-001-407
    Photo 453-001-407
    B. Victor Adams
  6. Photo 887-544-063
    Photo 887-544-063
    B. Victor Adams
  7. Photo 120-643-354
    Photo 120-643-354
    B. Victor Adams
  8. Photo 963-988-571
    Photo 963-988-571
    B. Victor Adams
  9. Photo 518-330-996
    Photo 518-330-996
    B. Victor Adams

Construction calendar

250 construction-phase photos across 2004 to 2007.

JanFebMarAprMayJunJulAugSepOctNovDec
2004 38 5 13 4 5 4 3 3 1
2005 123 11 3 5 7 10 28 16 13 15 2 6 7
2006 84 9 10 28 18 17 2
2007 5 5
Photos per month:less more