CTBUH Silver Member

Jaros, Baum & Bolles


Member Since: 2010

Member Offices: New York City

JB&B has been privileged to work with many of the foremost architectural firms, corporate owners, institutions and real estate developers throughout the world. In over 100 years of practice, JB&B has completed design projects in more than 50 countries and on 6 continents, serving as consulting engineers on some of the most iconic buildings of the 20th century as well as some of the most emblematic of the 21st.

In response to the growth and innovation needs within the industry, JB&B continues to expand its service line to include specialty services such as commissioning, audiovisual, distributed antenna systems, special inspections and MEP advisory services, as well as professional lighting design through its newly formed division, LightBox Studios. It is this ingenuity―and the experience and know-how accrued with our volume of work―that our firm brings to the success of any project.

Fields of Expertise

Building Automation Control Systems; Engineering, Multi-discipline; Fire Engineering; Historical Preservation; Mechanical, Electrical & Plumbing; Project Management; Security Consultancy

Membership details

Membership Level


Member Since


Member Offices

  • New York City




Architecturally Topped Out

Structurally Topped Out

Under Construction

On Hold

Never Completed




Competition Entry


Proposed Renovation

Under Renovation


Under Demolition



One World Trade Center

541.3 m / 1,776 ft


Willis Tower

442.1 m / 1,451 ft


111 West 57th Street

435.3 m / 1,428 ft


One Vanderbilt

427 m / 1,401 ft


30 Hudson Yards

387.1 m / 1,270 ft


Bank of China Tower

367.4 m / 1,205 ft


Bank of America Tower

365.8 m / 1,200 ft


Mercury City Tower

338.8 m / 1,112 ft


3 World Trade Center

328.9 m / 1,079 ft


35 Hudson Yards

307.8 m / 1,010 ft


One Manhattan West

Award of Excellence: One Manhattan West

Best Tall Building 300-399 meters 2021

Ctbuh Leaders

Christopher Colasanti

Christopher Colasanti

CTBUH Advisory Group, 2015 – 2018

New York City

Christopher Horch

Christopher Horch

CTBUH Expert Peer Review Committee, 2015 – Present

New York City

Molly Dee

Molly Dee

CTBUH Annual Conference, Presenter, 2018

New York City

Building Completions Timeline



27 October 2015

New York 2050

Kai-Uwe Bergmann, Bjarke Ingels Group; Scott Frank, Jaros, Baum & Bolles; Russel Unger, Urban Green; and Tom Wright, Regional Plan Association, discuss the future of...

Global News

18 September 2019

Two Supertalls Top Out in New York City

The Grand Central Terminal-adjacent supertall One Vanderbilt officially topped out this week, reaching its full 1,401-foot (427-meter) height. Designed by Kohn Pedersen Fox, the tower...

Global News

18 July 2019

Transformation of Chicago’s Willis Tower Begins with New Art-Filled Lobby

EQ Office, the US office portfolio company owned by Blackstone, has reopened Willis Tower’s Wacker Drive lobby, featuring a new, one-of-a-kind art installation created by...


150 m+ Buildings

300 m+ Buildings

Average Building Age*

34 Years

Most Common Function*

Office, 71 Buildings

Most Common Material*

Steel, 39 Buildings

* Based on 150 m+ buildings currently in the database.


*Based on 103 Completed & Under Construction Buildings

Building Completions Timeline


Construction Time Chart

NOTE: Construction start time is not available for all buildings. The average construction time is only displayed if there is three or more buildings with construction start and complete data in that year.


Gross-to-Net Height

NOTE: Gross-to-Net Height is defined as architectural height minus height of highest occupied floor. Therefore, the Gross-to-Net Height is only calculated for buildings that have both the architectural height and the highest occupied floor height recorded.