Single-Family Projects

Studio Hillier provides residential design services in the tri-state area. Our team of experienced professionals has a passion that will help you develop the right architectural plans for your custom home.

We specialize in all phases of custom home design and renovation projects, and we offer a full complement of architectural services and expertise.


Residential Expertise

  • Single Family Homes
  • Custom Home Design
  • Interior Design
  • New Additions
  • Renovations
  • Preservation and Restoration
  • Energy Efficiency
  • Small Lots


Click here to see our Single Family brochure.

Private Residence

Private Residence

Project Type Services This unique single family residence is a stunning example of Hillier’s contemporary residential design. Within 26 acres of mature trees and overlooking a picturesque pond, the structure, clad entirely in travertine marble and Italian blue glass...

House at Leeside Farm

House at Leeside Farm

Project Type Services Along the edge of a steeply sloping bluff overlooking the Delaware River, Hillier designed a crisp and clean single-family residence.Integrated Landscape   To take advantage of the river views, the full length of the north elevation is...



Project Type Services Autretemps is a spectacular stone and glass house on 22 wooded acres between the canal and the Delaware River. From the front it presents itself as "stone boxes"—solid masses with thick walls and few punctures. On the river side, the massive...

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.