SKYDB

SKYDB Building database

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

Rankings of tall buildings

Tall Building Markets

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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 Madison File 589-661-755
Madison, WI city
structure #821148825building

Roundhouse Apartments

existing 33.6 m 13 floors 1969

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Location of Roundhouse Apartments
Height Rankings

Object dataJoin to edit

Architectural Height33.6 m
Floors13
Completion1969
Structural Formhigh-rise building
Main Usagerental housing
Status existing
Architectural Stylemodern
Address626 Langdon Street
Smart Address626 Langdon Street
1st Level DistrictIsthmus
CityMadison, WI
CountryUnited States
Source: SKYDB | As of: 2026-09-29

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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 459-715-162
    Photo 459-715-162
    James Peacock
  2. Photo 469-294-358
    Photo 469-294-358
    James Peacock
  3. Photo 327-761-265
    Photo 327-761-265
    James Peacock