Business Details
Luxury Residential Interior Design Services in Mercer Island, WA
Colleen Knowles Interior Design has been a leader in luxury residential design for over 30 years, serving clients in the Pacific Northwest and beyond. Our approach combines creative vision with technical expertise to deliver seamless, client-focused solutions for primary homes, secondary residences, and comprehensive remodels. With a career spanning decades, we have cultivated a reputation for transforming spaces into functional, aesthetically cohesive environments that reflect our clients' lifestyles. Our team collaborates with top-tier contractors, builders, and vendors to ensure every project meets the highest standards of quality and craftsmanship. Recognized for our NCIDQ certification and award-winning designs, we prioritize personalized service, with over 90% of our work stemming from client referrals.Our process emphasizes transparency, budget-conscious decision-making, and meticulous attention to detail, from initial concept development to final execution. Clients consistently highlight our ability to balance artistic creativity with practical project management, making the design journey both enjoyable and stress-free. Our portfolio includes collaborations with major corporations and hospitality projects, which inform our current residential expertise. Headquartered in Mercer Island, we serve communities across Washington State, including Seattle, the San Juan Islands, and the Puget Sound region.
Services
Comprehensive Interior Design
Space Planning
Kitchen and Bath Design
Project Management
Lighting Design
Window Coverings
Furniture Selection
Exterior Materials
Art Curation
Custom Solutions
Highlights and features
- 30+ years of experience in luxury residential design
- NCIDQ-certified designer with technical and architectural expertise
- 90% of projects come from client referrals
- Seamless integration of creative design and project management
- Proven track record with corporate and hospitality projects
Associations and certifications
- National Council for Interior Design Qualification (NCIDQ)
What people say
Exceptionally organized
Amazing to work with
Impeccable taste
Transformed our home
Saved time and stress
Services
Comprehensive Interior Design
Our full-service design approach creates cohesive, functional spaces tailored to clients' lifestyles. We manage every detail from concept development to final installation, ensuring seamless execution. Clients benefit from our extensive network of trusted professionals and national vendors.
Space Planning
We optimize spatial functionality while maintaining aesthetic appeal. Our expertise balances client needs with architectural constraints, creating efficient layouts for new homes and remodels. This includes furniture placement, traffic flow, and storage solutions.
Kitchen and Bath Design
Specializing in luxury kitchen and bathroom transformations, we combine practical functionality with elegant design. Our services include fixture selection, material specification, and detailed construction documentation for optimal results.
Project Management
We coordinate all aspects of project execution, from contractor selection to timeline management. Our oversight ensures quality control, budget adherence, and timely completion while minimizing client involvement.
Lighting Design
Our lighting solutions integrate ambient, task, and accent lighting to enhance both functionality and atmosphere. We specify fixtures that complement interior aesthetics while meeting practical needs for residential spaces.
People
Colleen Knowles
Interior Designer
With 30+ years of experience, Colleen is a NCIDQ-certified designer known for blending creative vision with technical expertise. She specializes in luxury residential projects across the Pacific Northwest, focusing on personalized solutions that enhance clients' lifestyles through functional, beautiful spaces.
David Boynton
Architect and Drafting
David provides architectural expertise and detailed drafting support for residential projects. His technical skills ensure accurate implementation of design concepts, working closely with clients and contractors to maintain design integrity throughout construction phases.
Bella Yaden
Marketing and Social Media
Bella manages the firm's digital presence and client communications. She showcases completed projects through strategic content planning, maintaining consistent brand messaging while highlighting the firm's design philosophy and client success stories.
Questions
What areas do you serve?
We primarily serve Mercer Island, Seattle, San Juan Islands, and surrounding Washington communities, with experience in both urban and island residential projects.
How does the consultation process work?
Our $600 consultation includes personalized design advice, space analysis, and initial concept discussion. We assess your needs, preferences, and budget to create tailored design solutions for your home.
What services do you offer beyond design?
We provide comprehensive project management, contractor coordination, material specification, and purchasing services to ensure seamless implementation of design plans from concept to completion.
Are you NCIDQ certified?
Yes, Colleen holds NCIDQ certification #12906, demonstrating professional expertise in interior design principles and practices for residential projects.
How do you handle budget considerations?
We work within client budgets by offering tiered options for materials and furnishings, providing transparent cost estimates, and making strategic recommendations to maximize value without compromising design quality.
