Reading a lot? Reading a lot?
SKYDB services
Get export credits Wrongly blocked?
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 Milwaukee File 159-469-092
Milwaukee, WI city
company #421014172

Grassold & Johnson

renamed architect

Full map Join SKYDB
Activity Rankings

Object dataJoin to edit

Status renamed
Rolearchitect
CityMilwaukee, WI
CountryUnited States
Source: SKYDB | As of: 2026-10-17

Location

Google MapsBing Maps

Statistics

Buildings by decade

Click any bar to drill into that completion decade.

0 0% 2020s 0 0% 2010s 0 0% 2000s 0 0% 1990s 0 0% 1980s 0 0% 1970s 2 66.7% 1960s 1 33.3% 1950s 0 0% 1940s 0 0% 1930s 0 0% 1920s 0 0% 1910s 0 0% 1900s

By status

Completed: 3 (100%)
  • Completed 3

By primary use

education: 2 (67%) sports: 1 (33%)
  • education 2
  • sports 1

By floor count

1-9 floors: 3 (100%)
  • 1-9 floors 3

By height

No data in this scope.

Source: SKYDB | As of: 2026-10-17

Grassold & Johnson Buildings View all

  1. ▢
    1
    Gymnasium - Natatorium
    Madison, WI
    2 fl1963
  2. Babcock Hall 2
    Babcock Hall
    Madison, WI
    2 fl1951
  3. Biotron Laboratory 3
    Biotron Laboratory
    Madison, WI
    2 fl1966