SKYDB
Data backbone

Other information
besides just buildings.

SKYDB is built from regions, companies, photos and the dictionary that ties them together. Pick a thread to pull.

Explore database →
RegionsBrowse every region on file→
CompaniesArchitects, developers, engineers→
Photos & RenderingsImagery from around the world→
DefinitionsTerms and concepts explained→
LicensingHow to license the data backbone→
New toolHeatmap modeSee structure density visualised across cities - beta.
Try heatmap →
Buildings, everywhere.

Unlimited ways
to discover.

Browse the top 1000 tallest, search for any building by name or attribute, or explore city-by-city statistics.

Explore buildings →
Search formFind content with ease.→
Top 1000 SkyscrapersUpdated as new towers complete→
Biggest CitiesView city-related statistics→
Biggest CountriesNational rankings + records→
RegionsBrowse buildings by region→
CompaniesArchitects, developers, engineers→
For SKYDB Premium usersChannelsChannels organize buildings across cities and countries by height or theme. Their building lists are available with SKYDB Premium.
Browse channels →
SKYDB Community

Where accuracy
comes from.

We are what makes SKYDB stand apart. Editors who care about buildings and care more about getting them right. Same standards, same care.

Community →
EditorsA community which matters→
MembershipsElevate your possibilities→
How to submitWhat we need and how to send it→
Add buildingLaunch the object tool→
Upload photosSubmit missing images→
My contentEverything you added and edited→
SpotlightFeatured PersonalityMarshall Gerometta is "the brain" when it comes to heights. As a veteran in the field, he also maintains the world's official list of the tallest skyscrapers.
Explore his work →
Since 30 years

The source
for tall buildings

SKYDB is creating the world's most comprehensive and deepest database of tall buildings. Used by professionals, maintained by experts.

Who we are →
Who we areExperts in the field→
Pricing and ServicesGet access to paid options.→
DefinitionsHow we measure and verify→
Knowledge BaseArticles + tutorials→
Get the NewsLatest announcements→
ContactReach out to the team.→
Featured activitySKYDB AwardsThe best skyscrapers of the world. Selected every year by SKYDB and its community members.
Visit the page →
Panorama of New York City File 128-921-183

New York City, NY city

Join SKYDB
structure #845795082building

Lefcourt National Building

existing 153.3 m 37 floors 1929

Full map Join SKYDB
Location of Lefcourt National Building
Height Rankings

Object dataJoin to edit

Tip Height153.3 m
Architectural Height153.3 m
Roof Height153.3 m
Main Roof Height141.2 m
Floors37
Completion1929
Structural Formskyscraper
Main Usagecommercial office
Status existing
Architectural Styleart deco
Address521 5th Avenue
Smart Address519–525 5th Avenue
Smart Address1 East 43rd Street
CityNew York City
CountryUnited States
Source: SKYDB | As of: 2026-09-16

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 upload

  1. Photo 570-022-130
    Photo 570-022-130
    Nate Lindsey
  2. Photo 783-023-392
    Photo 783-023-392
    John W. Cahill
  3. Photo 381-582-670
    Photo 381-582-670
    John W. Cahill
  4. Photo 119-715-320
    Photo 119-715-320
    John W. Cahill
  5. Photo 878-090-467
    Photo 878-090-467
    John W. Cahill
  6. Photo 330-412-691
    Photo 330-412-691
    John W. Cahill
  7. Photo 784-367-703
    Photo 784-367-703
    John W. Cahill
  8. Photo 148-675-370
    Photo 148-675-370
    Scott Murphy
  9. Photo 604-769-147
    Photo 604-769-147
    John W. Cahill