Serving Princeton, New Jersey
Interior Design Firm in Princeton, NJ
Full-service interior design for Princeton's historic estates, faculty enclaves, and executive homes.
Call (732) 933-4344 Request Consultation
Est. 1996 · ASID & IIDA Members · WBENC Woman-Owned · 500+ Projects · 3M+ Sq Ft Designed
Interior Design in Princeton, New Jersey
Princeton is one of the few American towns where a home can be older than the republic and still feel entirely current. Along Library Place and Battle Road, ivy-shaded Georgians and stone Tudors sit behind mature plantings, owned by people who read the deed history before they read the listing. This is old wealth and academic wealth in equal measure: professors emeritus, university trustees, hedge-fund principals who wanted their children in the schools, and the occasional Nobel laureate who simply liked the walk to Nassau Street. Nobody here is impressed by square footage. They are impressed by rightness.
That makes Princeton a demanding place to design for, and a rewarding one. The homeowner who has spent a career surrounded by good architecture, good libraries, and good conversation notices when a room is off: when the millwork is a hair too thin, when the light is flattering to nothing, when a renovation has erased the very character that made the house worth buying. Our approach here is rarely about starting over. It is about revealing what a house already is and giving it the systems, comfort, and polish a twenty-first-century life requires.
Neighborhoods we serve: Western Section · Institute Woods / Battle Road · The Great Road · Constitution Hill · Riverside
Princeton, NJ
Princeton Residence
View project
Holmdel, NJ
Holmdel Residence
View project
Colts Neck, NJ
Colts Neck Residence
View project
Luxury Residential Interior Design in Princeton
The Princeton portfolio leans toward the architecturally serious: center-hall Colonials in the Western Section, stone-and-slate estates along The Great Road, mid-century moderns tucked into the Institute Woods, and the occasional Federal farmhouse that predates the town charter. We work within these bones rather than against them. That means paneled libraries with rolling ladders and integrated lighting, kitchens rebuilt in furniture-grade cabinetry that reconciles a working household with a period façade, and primary suites carved thoughtfully out of former servants' quarters or attic space without betraying the roofline.
Our clients tend to own real things: inherited furniture, a collected library, art acquired over decades, rugs brought back from sabbaticals abroad. We design around those objects, not over them, building interiors that give a lifetime of accumulation a coherent home. A room in a Princeton house should look composed, not decorated; layered, not shopped. We source antiques and commission custom pieces in the same breath, and we are as comfortable specifying a museum-grade lighting scheme for a private collection as we are detailing a mudroom that survives three children and a wet Labrador.
- Historic home renovation
- Paneled libraries & studies
- Furniture-grade custom kitchens
- Art & collection lighting
- Antique integration & sourcing
- Primary suite design
- Custom millwork & built-ins
- Whole-home space planning
Call (732) 933-4344 Request a Consultation
Commercial Interior Design in Princeton
Princeton's commercial life is as refined as its residential streets: boutique law and wealth-management offices along Nassau Street, private practices and specialty medical suites, university-adjacent institutional spaces, and the kind of intimate hospitality and retail that suits a town this discerning. We design these environments to signal competence and taste without shouting, using the same real wood, considered lighting, and durable elegance that our residential clients expect.
Professional
WPOF Law Firm
View project
Healthcare
NJ Laser Dentistry
View project
The INSABELLADESIGN Difference
In a town where reputations are built on rigor, we hold ourselves to the same standard. Every Princeton project runs through one person: founder Beth Insabella Walsh, who has spent nearly three decades designing for clients who notice the difference between good and almost-good. That single point of accountability is exactly what a notoriously particular clientele like Princeton's expects from the people it hires.
We are a full-service firm, which means we carry a Princeton project from the first walk-through to the final placed object: space planning, custom kitchens and baths, millwork, lighting design, furnishings, art, and hands-on project management. Princeton clients tend to be busy, accomplished, and used to delegating to people who deliver. We built our practice to be exactly those people.
Selected Work
Work from our portfolio in Princeton, alongside projects our Princeton clients most often ask to see.
Princeton Residence
Princeton, NJ. A transitional renovation blending older architectural character with cleaner lines and updated function.
View project
Holmdel Residence
Holmdel, NJ. An ASID Silver Award winning primary suite renovation in a substantial family residence.
View project
WPOF Law Firm
Professional. A legal environment designed to communicate stability, competence, and attention to detail.
View project
View Residential Portfolio View Commercial Portfolio
I must say it's been my pleasure to have had the opportunity to work with Beth and her team at Insabella Design. My boss has been a long time client of Beth, over 25 years. And over those many years I was fortunate enough to work with Beth directly. She is extremely attentive and knows exactly what needs to be done. She has designed numerous major renovations and reconstruction projects for us. She has always been a pleasure to work with from the beginning of the projects to the very end. If I ever needed something in a pinch she always makes it happen. I would be completely lost without her and her support in keeping my boss comfortable and happy. Thank you Beth, to you and your team for your excellent services.
30+ Years of Experience
500+ Projects Completed
3M+ Sq Ft Designed
98% Client Satisfaction
How a Project Works
1. Start with a conversation
A consultation at our Little Silver studio or your property. We talk through the space, the scope, how you live or work in it, and what you want the finished project to accomplish. No obligation, and you will always be speaking with Beth.
2. Design and decisions
Space planning, materials, millwork and cabinetry design, lighting, and furnishings developed into one coherent plan, with drawings and documentation your contractor and trades can actually build from.
3. We carry it to the finish
We coordinate the trades, manage orders and timelines, and stay on the project through installation and styling, so you get a completed space rather than a plan left for you to assemble.
About INSABELLADESIGN
- Nearly 30 years of award-winning residential & commercial design (est. 1996)
- ASID & IIDA professional members · WBENC-certified, woman-owned firm
- Full service: detailed space planning and design documentation, custom kitchens & baths, millwork, furnishing, install
- Every project led personally by founder Beth Insabella Walsh
- Trusted by the architects, builders, and trades our clients rely on
- Sourced materials, custom fabrication, and finishes held to an exacting standard
Nearby Areas We Serve
Princeton Interior Design FAQs
Do you specialize in historic homes in Princeton?
Yes. Architecturally and historically significant homes, Colonials, Tudors, Federals, and estate properties, are a specialty of ours. The house usually knows what it wants to be already, so our job is closer to translation than invention, and we bring in preservation-minded architects and craftspeople when the project calls for it.
Can you work around our existing antiques, art, and library?
Yes, and honestly we prefer it that way: a room with real objects in it is more interesting to design than an empty shell. Tell us what matters to you and what can move, and we build the plan around what stays rather than starting from a blank floor plan.
What areas of Princeton do you serve?
We serve all of Princeton and the surrounding Mercer County area, including the Western Section, Battle Road and the Institute Woods, The Great Road, Constitution Hill, and Riverside, along with neighboring West Windsor and Hopewell.
Are you a full-service firm or decoration only?
Full-service, always. We don't hand off after the design boards are approved, the same team sources, orders, and installs everything, and we're on-site for the parts a purely decorative service typically skips, like coordinating with your contractor or preservation architect.
Do you take on commercial projects in Princeton?
Yes, Nassau Street law and wealth-management offices are a recurring client type for us, along with medical practices and the occasional specialty shop. The brief is usually the same: look established without looking dated, and hold up to a client who notices details.
Who will I actually work with on my project?
Beth, directly, not a design associate reporting up to her. She's in the room for the client meetings, the site walks, and the final install, which is unusual at this level of practice and exactly why clients here hire us.
Start a Project in Princeton
Ready to give your Princeton home interiors that match its history? Call 732-933-4344 or email info@insabelladesign.com to schedule a consultation with our founder.
(732) 933-4344 info@insabelladesign.com
Serving Princeton, Mercer County, and communities throughout New Jersey