Jaros, Baum & Bolles

Jaros, Baum & Bolles JB&B is a New York City-based engineering firm with over 270 employees.

In its 100 years of practice, JB&B has successfully completed more than 14,000 design projects in more than 30 countries and on six continents for corporate owners, institutions and real estate developers as well as city, state and federal agencies. Our extensive experience and reputation for quality and innovative engineering solutions are qualities that we bring to each project. JB&B works with

cutting-edge engineering technologies to facilitate high performance building designs for ever-improving engineering and sustainability solutions.

Our Employee Spotlight continues with Oliver Hirt, Associate in the HVAC Department. For over eight years, Oliver has co...
02/19/2026

Our Employee Spotlight continues with Oliver Hirt, Associate in the HVAC Department. For over eight years, Oliver has contributed to some of JB&B’s most unique projects, helping to deliver thoughtful, high-quality solutions. He not only takes pride in tackling complex work, but also values learning from those around him, bringing that same passion to exploring new places and experiences outside of the office. Swipe through to learn more about Oliver. 🎿

More to come in our Employee Spotlight series!

A great firm starts with great people. Meet Jennifer Rivera, an executive assistant, who’s spent seven years at JB&B bui...
01/23/2026

A great firm starts with great people. Meet Jennifer Rivera, an executive assistant, who’s spent seven years at JB&B building community and making an impact both in and outside the office. Swipe through to get to know Jen. ✨

Stayed tuned for the next Employee Spotlight!

The JB&B Philadelphia office recently celebrated another year of teamwork, comradery, and growth. Thank you to our colle...
12/22/2025

The JB&B Philadelphia office recently celebrated another year of teamwork, comradery, and growth. Thank you to our colleagues and clients for making 2025 a memorable one. Cheers to a great year ahead!

JB&B has been recognized with two Engineering Excellence Awards for the Disney NYC Headquarters and JPMorganChase’s 270 ...
12/18/2025

JB&B has been recognized with two Engineering Excellence Awards for the Disney NYC Headquarters and JPMorganChase’s 270 Park Avenue. The Engineering Excellence Awards honor outstanding consulting engineering achievements that demonstrate superior skill, innovation, complexity, and value to society. These awards celebrate the impact of engineering excellence on the built environment, and we’re proud to be part of it.

Thank you to ACEC New York for this esteemed recognition!

In recognition of National Homelessness Awareness Month, Covenant House International once again united communities acro...
12/12/2025

In recognition of National Homelessness Awareness Month, Covenant House International once again united communities across the country through its annual Sleep Out, a fundraising event that brings attention to the ongoing youth homelessness crisis. This year, JB&B’s Social Awareness and Inclusion Initiative (SAII) continued its participation, with our New York team joining the Sleep Out in the city and our Philadelphia team taking part in Covenant House Pennsylvania’s 25th-anniversary event at Citizens Bank Park in partnership with the Phillies.

This year’s experience gave our team a small glimpse into the challenges too many young people face each day and reminded us of the privileges we often take for granted. This event is not to mimic what the homeless face but instead to bring awareness and stand in solidarity with them. Hearing stories of resilience and hardship, along with stories of success and support, deepened our appreciation for the critical support Covenant House provides to help young people rebuild their lives.

Swipe through to read personal reflections from our team members, and click the link in our bio to learn more about the important work Covenant House continues to do:

In recognition of National Homelessness Awareness Month, Covenant House International once again united communities acro...
12/12/2025

In recognition of National Homelessness Awareness Month, Covenant House International once again united communities across the country through its annual Sleep Out, a fundraising event that brings attention to the ongoing youth homelessness crisis. This year, JB&B’s Social Awareness and Inclusion Initiative (SAII) continued its participation, with our New York team joining the Sleep Out in the city and our Philadelphia team taking part in Covenant House Pennsylvania’s 25th-anniversary event at Citizens Bank Park in partnership with the Phillies.

This year’s experience gave our team a small glimpse into the challenges too many young people face each day and reminded us of the privileges we often take for granted. This event is not to mimic what the homeless face but instead to bring awareness and stand in solidarity with them. Hearing stories of resilience and hardship, along with stories of success and support, deepened our appreciation for the critical support Covenant House provides to help young people rebuild their lives.

Swipe through to read personal reflections from our team members, and click the link in our bio to learn more about the important work Covenant House continues to do.

Recently, JB&B and Vornado Realty Trust were honored with the Commissioning Excellence Award in the Existing Building ca...
11/20/2025

Recently, JB&B and Vornado Realty Trust were honored with the Commissioning Excellence Award in the Existing Building category for our work on PENN 1. The JB&B Field team provided Existing Building Commissioning and Balancing services for the Vornado team. This achievement underscores our dedication to collaboration and excellence in building performance.

Thank you to the Building Commissioning Association for this recognition. We also extend our appreciation to Christopher Pell for accepting the award on behalf of the entire project team!

Congratulations to JPMorganChase and the entire design team on the grand opening of 270 Park – their new global headquar...
10/21/2025

Congratulations to JPMorganChase and the entire design team on the grand opening of 270 Park – their new global headquarters.

JB&B is proud to be part of the design team, providing engineering design and commissioning services associated with MEP/FP/IT/DAS/ARCS for the base building core-and-shell infrastructure (in addition to the interior fit-out design). The team worked closely with the client and design team so that the most innovative technologies and systems would function optimally together while maintaining the highest levels of measurable sustainability.

“The JPMorganChase Tower at 270 Park Avenue is one of the greatest accomplishments of our time: the construction of a 60-story state-of-the-art skyscraper that is now New York City’s largest all-electric building. With its net-zero operational emissions, unsurpassed indoor air quality, and 21st century infrastructure, the building not only radically reimagines the urban workplace but also represents a quantum leap in the evolution of design and engineering. The JB&B team was honored to be part of this historic building, reaching new heights in sustainability and electrification and truly engineering the building of the future.”
- Walter Mehl, Managing Partner, JB&B

On 9/11, we’re all called to reflect on the profound losses of that day: the loss of life; the loss of a certain innocen...
09/11/2025

On 9/11, we’re all called to reflect on the profound losses of that day: the loss of life; the loss of a certain innocence; and for many, a loss of hope. How we encounter each other within our buildings and public spaces was irrevocably changed on that day.

It’s also to remember on this day that are beams within the structure of the new One World Trade inscribed with writings that capture the heart and soul of the building: construction workers expressing their pride; office workers memorializing lost colleagues; prayers for the United States and the world. Keep in mind these unseen beams—because they constitute an infrastructure of memory and of hope.

Address

55 Water Street, 38th Floor
New York, NY
10041

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm
Saturday 8am - 5pm
Sunday 8am - 5pm

Telephone

(212) 530-9300

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