SKYDB Building database

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

Rankings of tall buildings

Tall Building Markets

Tall buildings, tracked.

SKYDB is collecting verifiable information about buildings.

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.

Speaker at a lectern in front of a skyscraper presentationView award winners

Research & data

Research with SKYDB InsightsData ExportsAPI AccessCreditsInteractive building map

Consulting & advertising

ConsultingSKYDB BrandingBanner advertisingContact SKYDBInsights questions & answers

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

Who we areTeam and editorsSKYDB AwardsNewsletterContact

Using SKYDB

Coverage and focusSources and qualityHow to add contentDefinitions and standardsKnowledge base

SKYDB is collecting verifiable information about buildings.

Chongqing skyline beside the riverAbout SKYDB
Panorama of New York City File 684-229-041
structure #669733302building

Capitol Towers

existing 60.4 m 17 floors 1925

Location of Capitol Towers
Height Rankings

Object dataJoin to edit

Tip Height60.4 m
Architectural Height60.4 m
Roof Height60.4 m
Main Roof Height56.7 m
Floors17
Completion1925
Structural Formhigh-rise building
Main Usageresidential
Status existing
Address254 West 51st Street, 840 8th Avenue, SE corner
Smart Address834–840 8th Avenue
Smart Address254 West 51st Street
Smart Address252–256 West 51st Street
CityNew York City
CountryUnited States
Source: SKYDB | As of: 2026-09-20

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 933-541-717
    John W. Cahill
  2. Photo 365-737-865
    John W. Cahill