Multi-Family Projects

Our multi-family design services range from master planning to interior design and our work includes a wide range of residential building types for institutional and private clients.

We specialize in all phases of multi-family residential new construction and renovation projects, and we offer a full complement of architectural services and expertise.


Multi-Family Expertise

  • High Rise
  • Student Housing
  • Mixed-Use
  • Affordable Housing
  • Senior Communities


Click here to see our Multi-Family Expertise

153 Witherspoon

153 Witherspoon

Project Type Services This residential building is comprised of three contemporary town houses. Located on Witherspoon Street, the town houses are a short walk from the heart of downtown Princeton and its most attractive destinations.The Units   Each unit spans...

Steeple View

Steeple View

Project Type Services Studio Hillier was the design architect for Steeple View, a mixed-use development in historic downtown Newtown, PA; at 48,000 square-feet, it was the largest infill project in the Borough in more than a decade and won the Award for Design...

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.