planning Projects

Urban Trifecta

Urban Trifecta

Project Type Services Studio Hillier identified an opportunity to transform a warehouse/garage, on Witherspoon Street in downtown Princeton, into a storefront architectural studio. The studio is flanked on either side by a residential-turned-commercial property which...

The Cove at Manhattan Beach

The Cove at Manhattan Beach

Project Type Services The Cove at Manhattan Beach is a waterfront remediation project of a formerly light-industrial site into a multi-family residential project. A large portion of this site will be dedicated to a revitalized living sea-shore tidal marsh with...

Natirar Villas

Natirar Villas

Project Type Services This project features twenty-four contemporary semi-custom homes. Twelve have a view of the mountains of Somerset County and twelve feature a working farm as a backdrop.The Estate Villas   The twelve Estate Villas offer a semi-custom...

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.