planning Projects



Project Type Services Copperwood is a 153-unit rental apartment complex on a beautifully wooded site in Princeton Township surrounded by the 200-acre Princeton Ridge Preserve.   More than 17 acres of the 21-acre site are preserved, giving the residents...

Penn Medicine Princeton Medical Center

Penn Medicine Princeton Medical Center

Project Type Services Penn Medicine Princeton Medical Center, formerly known as the University Medical Center of Princeton at Plainsboro (UMCPP) is a 355-bed non-profit acute care hospital. Surrounded by an established residential neighborhood, UMCPP is often...

Studio Hillier LLC is an interdisciplinary design firm in Princeton New Jersey, co-founded in 2011 by Partners Barbara A. Hillier, AIA and J. Robert Hillier, FAIA, PP.


Together for more than thirty years, we form the backbone of a vibrant, growing, full service design studio that has the depth of experience and design talent to take on any challenge.


Studio Hillier is located in the heart of the historic Witherspoon-Jackson neighborhood in Princeton, New Jersey and operates out of a converted machine shop and warehouse.

Our Proven Design Process



The process begins with spending time with our team where together we assemble inspiration images, conduct lifestyle interviews, define the premise of the project, and ultimately, discover a path to completion.



Our team will explore residential design solutions using 2D sketching, 3D modeling, and BIM technologies to develop a thoughtful and suitable scheme.



We collaborate with a group of engineers specialized in residential architecture to develop the construction documents necessary for permitting and construction. We make sure all the details and coordination proceed in a timely manner, and maintain the architectural and design integrity of the project.



We are partnering with the best construction experts in the area. We help you to choose a professional contractor and ensure a good working relationship.


Building permits

We are able to efficiently navigate the complex permitting process to get the project off the ground.