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

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Chongqing skyline beside the riverAbout SKYDB

Panorama of San Francisco File 586-957-862

San Francisco, CA city

structure #644281184building

221 Main Street

existing 16 floors 1974

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Location of 221 Main Street

Object dataJoin to edit

Floors16
Completion1974
Structural Formhigh-rise building
Main Usagecommercial office
Status existing
Address221 Main Street
Smart Address221 Main Street
Smart Address234–252 Spear Street
CitySan Francisco
CountryUnited States
Source: SKYDB | As of: 2026-09-20

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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 819-145-387
    Photo 819-145-387
    Chris Patriarca
  2. Photo 110-036-400
    Photo 110-036-400
    Nate Lindsey
  3. Photo 731-556-818
    Photo 731-556-818
    Nate Lindsey
  4. Photo 573-365-399
    Photo 573-365-399
    Nate Lindsey