The SKYDB website is currently experiencing issues as we are conducting updates

Rankings of tall buildings

World’s tallest skyscrapersTallest under constructionTallest planned buildingsBiggest cities Biggest 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 presentation

View award winners

Choose your access

Create a free account Premium membership benefits Become a volunteering Editor Membership questions Sign in to your account

SKYDB Community

About the community Meet the Editors How to add content Submission guide SKYDB tutorials

Create a free account, choose Premium or apply to contribute as a volunteering Editor.

SKYDB Editors visiting a skyscraper construction site

Compare memberships

Research & data

Research with SKYDB Insights Data Exports API Access Credits Interactive building map

Consulting & advertising

Consulting SKYDB Branding Banner advertising Contact SKYDB Insights 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 height

View Insights plans

About SKYDB

Who we are Team and editors SKYDB Awards Newsletter Contact

Using SKYDB

Coverage and focusSources and qualityHow to add content Definitions and standards Knowledge base

SKYDB is collecting verifiable information about buildings.

Chongqing skyline beside the river

About SKYDB

Free map access

Locate individual buildings View building facts Find places & addresses How to use the map Join SKYDB

Upgrade your map experience

Filter by height, use and status Display city and district boundaries Control map layers and pin styles Edit pinpoints and building footprints Memberships

Explore all projects on an interactive map anywhere on earth.

SKYDB map with building pins and a building record in Lower Manhattan

Create a free account

structure #322781563building

O'Hanlon Building

existing 30.5 m 9 floors 1915

Full map Join SKYDB

Location of O'Hanlon Building

Height Rankings

#18 in Winston-Salem
#10004 in United States
#15004 in North America
#113181 Worldwide

Object dataJoin to edit

Building Mass Height	30.5 m
Main Roof Height	30.5 m
Floors	9
Completion	1915
Structural Form	high-rise building
Main Usage	commercial office
Status	existing
Architectural Style	neo-renaissance
Address	105 West 4th Street
Smart Address	101–107 West 4th Street
Smart Address	402–404 North Liberty Street
City	Winston-Salem
Country	United States

Source: SKYDB | As of: 2026-09-24

Location

Full Map Google Maps Bing Maps

Rating

2.5 of 5 1 vote 5.6 pts

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

- File #706902398 file
- Join SKYDB
Photo 706-902-398

John W. Cahill
- File #398078650 file
- Join SKYDB
Photo 398-078-650

John W. Cahill
- File #138200509 file
- Join SKYDB
Photo 138-200-509

John W. Cahill
- File #683760259 file
- Join SKYDB
Photo 683-760-259

John W. Cahill
- File #922340310 file
- Join SKYDB
Photo 922-340-310

John W. Cahill
- File #898580319 file
- Join SKYDB
Photo 898-580-319

John W. Cahill
- File #850308238 file
- Join SKYDB
Photo 850-308-238

John W. Cahill
- File #333396771 file
- Join SKYDB
Photo 333-396-771

Chris Patriarca
- File #319377940 file
- Join SKYDB
Photo 319-377-940

Chris Patriarca
- File #174654131 file
- Join SKYDB
Photo 174-654-131

John W. Cahill
- File #930988735 file
- Join SKYDB
Photo 930-988-735

John W. Cahill
- File #66856477 file
- Join SKYDB
Photo 066-856-477

Chris Patriarca
- File #748326669 file
- Join SKYDB
Photo 748-326-669

John W. Cahill
- File #373153612 file
- Join SKYDB
Photo 373-153-612

John W. Cahill
- File #888147426 file
- Join SKYDB
Photo 888-147-426

John W. Cahill

You need to be signed in to do this.

Sources increase data credibility.

Select a structure to edit.

Data source for: whole object

Used for every field you change or enter.

You need to be signed in to do this.

You need to be signed in to do this.

Sources increase data credibility.

Select a structure to edit.

Data source for: whole object

Used for every field you change or enter.