If you’re searching for the best luxury interior designers, look no further than Katherine Mueller Design. Based in Scottsdale, Arizona, this award-winning firm is known for curating beautiful, elevated spaces that reflect each client’s lifestyle. From complete home renovations to personalized interior styling, their team delivers timeless design with a tailored, high-end experience.
Let’s explore what sets Katherine Mueller Design apart and why they deserve a top spot among the best luxury interior designers nationwide.
Best Luxury Interior Designers in Scottsdale: The Vision Behind Katherine Mueller Design
Katherine Mueller Design is led by Katherine Mueller, a Scottsdale-based designer with nearly two decades of experience. Her design approach balances refined aesthetics with function, creating homes that feel both elevated and livable. Every project begins with the client—understanding how they live, what inspires them, and how to translate that into a cohesive, luxurious environment.
With projects across Arizona and beyond, Katherine’s team has built a reputation for thoughtful collaboration, creative vision, and detail-driven execution.
Why Katherine Mueller Design Is One of the Best Luxury Interior Designers
1. Personalized Full-Service Design
From space planning to final installation, Katherine Mueller Design offers full-service interior design. Their team manages every detail—furnishings, fixtures, lighting, custom cabinetry, artwork, and accessories. This hands-on approach ensures a seamless process, especially for busy professionals and luxury homeowners who value a stress-free experience.
Each design is completely unique. No two homes look alike, because no two clients are the same.
2. Luxury That Reflects Your Lifestyle
One key reason Katherine Mueller Design ranks among the best luxury interior designers is their focus on livable luxury. Their designs are not just about beauty—they’re about how you use the space every day. Whether designing a grand estate or a modern vacation home, the firm blends comfort with elegance.
From high-performance fabrics to hand-finished details, every element is chosen with care, resulting in spaces that are as functional as they are sophisticated.
3. Strong Vendor Relationships and Trade Access
Top luxury designers often have access to exclusive furnishings, materials, and artisan vendors—and Katherine Mueller Design is no exception. The team has built long-standing relationships with the best trade-only manufacturers, custom workrooms, and local artisans.
This insider access ensures that clients receive truly one-of-a-kind pieces, and it sets their projects apart from anything you’ll find in retail stores.
Best Luxury Interior Designers for Whole Home Remodels
One of Katherine Mueller Design’s specialties is large-scale remodels. From gut renovations to ground-up new builds, the firm collaborates with architects, builders, and tradespeople to bring a shared vision to life. Their project management expertise is a huge asset—especially when handling multiple moving parts and tight timelines.
They are known for being proactive, responsive, and detail-oriented throughout the remodel process.
A Reputation Built on Excellence
It’s not just their portfolio that puts Katherine Mueller Design among the best luxury interior designers. Their reputation is backed by:
5-star reviews from delighted clients
Recognition in local and national design publications
Referrals from Scottsdale’s top luxury builders
Long-term client relationships that often lead to multiple projects
Clients appreciate the firm’s ability to listen deeply, solve problems creatively, and deliver results that exceed expectations.
Notable Projects Across Arizona and Nationwide
While Katherine Mueller Design is based in Scottsdale, their work spans the entire Southwest and beyond. From luxury ranch homes in New Mexico to second homes in coastal California, the firm has proven expertise across a variety of architectural styles.
Each project reflects a deep respect for the home’s natural surroundings, architectural lines, and the client’s personal taste.
Seamless Design Process from Concept to Completion
Working with Katherine Mueller Design means you get a clear, organized design process that’s easy to follow. Their team keeps communication at the center of every project—through mood boards, 3D renderings, and regular check-ins.
They also handle procurement, delivery coordination, and final installation, so the client doesn’t have to lift a finger.
Best Luxury Interior Designers for Sophisticated Yet Comfortable Homes
While some luxury designers lean into dramatic, overdone looks, Katherine Mueller Design is known for creating timeless, tailored interiors. Their work often features:
Soft, neutral color palettes
Natural textures and materials
Balanced proportions and layered lighting
Artfully curated accessories
The result is a space that feels luxurious without ever feeling cold or impersonal.
Trusted by Interior Design Insiders
Design professionals and home industry insiders routinely refer Katherine Mueller Design for high-end residential work. Their team is frequently involved in collaborative projects with luxury builders, architects, and developers, thanks to their professionalism, clear communication, and creative expertise.
If you’re in the design or building industry and want a partner who elevates your project—this is the team.
Final Thoughts: Katherine Mueller Design Deserves the Title of Best Luxury Interior Designers
If you’re looking for one of the best luxury interior designers in Scottsdale—and quite possibly the country—Katherine Mueller Design should be at the top of your list.
Their blend of refined aesthetic, practical expertise, and client-first service sets them apart in a competitive field. Whether you’re renovating your dream home or building from the ground up, their team has the vision and skills to transform your space into something truly extraordinary.