Tower Design creates refined, highly personalized interiors for discerning homeowners in Paradise Valley — one of the Southwest’s most exclusive residential communities. Our work is defined by architectural sensitivity, understated sophistication, and a meticulous attention to detail that reflects the caliber of the homes and lifestyles we design for. Known for its expansive estates, dramatic desert landscapes, and architecturally significant residences, Paradise Valley demands an elevated approach to interior design — one that balances refinement, comfort, and timeless livability with effortless precision
Every project begins with a deep understanding of the people who will live within it — their routines, aesthetic sensibilities, collections, entertaining style, and long-term vision for the home.
Our clients are accustomed to elevated experiences and expect a design process that is highly organized, collaborative, and carefully managed at every stage. Tower Design provides a comprehensive, concierge-level approach to interior design, overseeing each detail with precision and discretion.
Our services include:
We work closely with architects, builders, artisans, and specialized trades to ensure every layer of the project is executed to the highest standard. The result is a residence that feels cohesive, sophisticated, and entirely tailored to the client it was designed for.
Homes in Paradise Valley are defined by scale, privacy, and a seamless connection to the surrounding desert landscape. Our design approach embraces these qualities through thoughtful spatial flow, natural materials, layered textures, and carefully restrained palettes that create a sense of quiet luxury throughout the home.
We consider how natural light moves through a residence, how spaces transition from one another, and how interiors support both large-scale entertaining and intimate everyday living.
From expansive indoor–outdoor environments and wellness-focused retreats to curated entertaining spaces and highly customized private suites, every element is designed to feel effortless, elevated, and enduring.
Rather than following trends, our work focuses on timeless interiors that evolve beautifully over time while remaining deeply connected to the architecture and landscape surrounding them.
At Tower Design, we believe exceptional interiors should feel collected rather than decorated — refined without excess, sophisticated without formality.
Our process is collaborative, thoughtful, and highly individualized, allowing us to create homes that feel authentic to the people who live within them. Every detail is approached with intention, balancing aesthetics with comfort, functionality, and long-term livability.
Whether designing a primary residence, seasonal retreat, or multigenerational estate, our goal is always the same: to create a home that feels calm, elevated, and deeply personal in every detail.
I highly recommend Tower Design Interiors. Their ability to source just the right furniture, art, decor, architectural element, etc. is always with a sophisticated understanding of color, architecture, design and art that surpasses anyone else we have worked with. We are thrilled with our current project. Excellent skillful service. Great communication, highly professional, organized. We recommend Tower Design Interiors.
awesome ness would killKathleen is a skillful master at what she does with supreme knowledge of the industry. She possesses many sources and connections for artisans, furniture, decor and subs. Her remodeling skills and taste are impeccable! She and her team are well organized, communicative and it is always a pleasure to work with. Her amazing design sense is truly invaluable. Highly recommend Tower Design to anyone renovating, decorating or building.
Jacqueline BurbankKathleen McMullen has been my designer for three of my homes and is the only interior designer I will ever consult again. She’s the best!!!! Her level of knowledge, resources, skill and overall abilities were beyond what I expected. Couples with her ability to work within a specific budget she is what you want. A savant with art and decor. If you are looking for a luxury Interior Designer in Scottsdale, Kathleen is that and so much more.
John SpaldingWhat a pleasure it has been working with Kathleen and her Tower Design team! Kathleen has helped us to both design and furnish our newly remodeled Scottsdale home. The journey lasted a year and a half, and we are so grateful for her grace and wealth of information and counsel. From the very start, Kathleen helped us to envision and make the home that we wanted a reality. Tower Design Interiors is a breeze to work with because they are extremely organized, patient, and flexible. Kathleen’s sense of color, space and design is unmatched. Her grasp of art and design is absolutely superior to anyone I have ever worked with. Our beautiful home is so comfortable, and stunning all at once. We would highly recommend Kathleen and her team for their expertise in all phases of design, construction and interior design.
Elyshia HollidayTower Design Interiors have been nothing short of amazing. Kathleen designed our second home and it was such a blessing to have her as both our designer and our spokesperson. She has been a valued asset: professional, attentive, a great communicator and innovative in her approach and style. We are more than ecstatic as the outcome is stunningly beautiful. She made a complex project seem easy, and we loved working with her. I highly recommend Tower Design Interiors and look forward to future projects with them.
Sharon Moreno
Let’s connect with our interior designer team!
Let’s connect with our interior designer team!
Let’s connect with our interior designer team!
We work on luxury residential projects including new construction estates, full-home renovations, seasonal residences, and thoughtfully curated interior transformations.
Yes. Our studio manages the entire design process from concept development and architectural collaboration through procurement, installation, and final styling.
Absolutely. We incorporate bespoke furnishings, custom millwork, architectural detailing, and highly tailored design elements unique to each residence.
Our approach is highly personalized and architecturally driven, focusing on timeless materials, thoughtful spatial planning, refined detailing, and seamless project execution.
Project timelines vary depending on scope, construction schedules, and level of customization. We maintain a highly organized process and provide clear communication throughout every phase of the project.
A well-designed home should feel effortless, enduring, and entirely personal. Tower Design brings together refined creative direction, architectural understanding, and meticulous execution to create residences that are both elevated and deeply livable. Our work is rooted in thoughtful design principles, exceptional craftsmanship, and a highly tailored client experience. We invite you to begin the conversation.
