Firmitas is a full-service, professionally licensed structural engineering design and consulting firm. We are passionate about creative and sustainable design that endures the test of time. We design building structures of all types including spaces for families, for businesses, for learning, for contemplation, for moving, for fun, for living, for growing.

ARCH 101

According to 'the first architect' VITRUVIUS, the three core components for any successful architectural design include:



Our structures can be found across the region and across the country, designed from our Westchester NY office.

For employment inquiries, please send cover letter and resume to

FIRMITAS Engineering & Structural Design PLLC
79 Winfield Avenue, Harrison, NY 10528
Fax 646.680.0633
Phone 212.390.1759 • 914.275.4944