Custom Floor Plan Design

What can we do for you?

01. Pre-Design

This is where we get on a first name basis. Our team collaborates with you to understand your lifestyle, space needs, and floor plan goals while verifying legal requirements for your custom design.

02. Design

This is the good stuff. With your ideas and our design expertise, our team develops several custom floor plan options, exploring layouts and visualizing spaces in 3D renderings.

03. Permits

At this point, your custom floor plan design is ready for submission to obtain necessary building permits. We can lead this effort or assist you through the permitting process.

04. Construction

Finally, we provide detailed construction drawings based on your custom floor plan, complete enough for contractors to build. We help vet builders and coordinate throughout construction to ensure your design vision stays on track.

Don't just take our word for it.

Here's what our clients have to say.

"RD's team provided us with a very special creative process designing our home...If you are seriously looking to elevate your next project, work with Refine Design!"

Shy F.

Mountain Lodge

"Stone and Julia were very professional and extremely helpful in designing our project. Their patience and attention to detail were integral in configuring a change of use building."

Dustin D.

Ballard DADU

"They not only helped bring our vision to life, but offered a point of view we had not thought of. I highly recommend this duo - they are incredibly easy to work with."

Kendall F.

Gig Harbor Remodel

"No words can describe how exceptional Julia and Stone are at their work...Not only did they research extensively into the building codes but they poured so much thought into the design."

Yu Chi S.

Seattle Bathroom Remodel

"It was great working with Refine Design Architecture for our cabin expansion. They listened to our requirements, offered feedback and produced designs that fulfilled our vision"

Antonio G.

Leavenworth Cabin Addition

"Their work was on schedule, on budget, and their ideas were very helpful. If you're searching for an architectural team that can fit the bill, look no further."

James M.

Accessibility Retrofit

Have questions?
We have answers.

At Refine Design Architecture, we believe that custom floor plan design isn't a "one size fits all" process—every layout should reflect how you actually live.

What is the custom floor plan design process?

Our custom floor plan design process begins with understanding your lifestyle and space needs, then moves through conceptual layouts, detailed design development, and permit-ready drawings. We start with initial consultations and site analysis, develop multiple floor plan options for review, refine your chosen design with detailed layouts and 3D visualization, then produce construction-ready drawings. Throughout the process, we collaborate closely to ensure every room placement, circulation path, and spatial relationship serves your daily life.

Do I need a licensed architect for custom floor plan design?

In Washington State, while not always legally required, hiring a licensed architect for custom floor plan design is highly recommended for most residential projects. Licensed architects bring expertise in building codes, structural requirements, and permit processes that ensure your custom floor plan meets all legal requirements. We also provide design solutions that maximize your investment, optimize natural light and views, and create layouts that truly enhance daily living rather than just meeting minimum requirements.

What does construction cost for a custom floor plan design?

Construction costs for custom floor plan designs vary widely based on project scope, material selections, and design complexity. Factors affecting cost include square footage, number of levels, custom features, site conditions, and finish levels. A well-designed custom floor plan can actually help control costs by optimizing space efficiency, minimizing structural complexity, and planning for efficient building systems. We work with you during design to balance your spatial needs with your construction budget.

How long does custom floor plan design take?

Custom floor plan design typically takes 2-4 months depending on project complexity and revision cycles. This includes initial programming and site analysis, conceptual floor plan development, design refinement, and final construction documentation. More complex projects with multiple levels, custom features, or challenging sites may require additional time. We work efficiently while ensuring thorough exploration of options, so your final custom floor plan truly optimizes your space and lifestyle.

How much does an architect cost for custom floor plan design?

Architectural fees for custom floor plan design typically range from 8-15% of total construction cost for residential projects. We also offer fixed-fee arrangements for floor plan design services, depending on project scope and complexity. Our fees reflect the value of thoughtful space planning, code compliance expertise, detailed documentation, and ongoing support through construction. The investment in professional custom floor plan design pays dividends through optimized layouts, smoother permitting, and construction efficiency.

Why hire Refine Design Architecture for custom floor plan design?

We bring specialized expertise in creating custom floor plans that truly enhance daily living, not just arrange rooms on paper. Our approach combines thoughtful space planning with deep knowledge of building codes, permitting requirements, and construction processes. We excel at optimizing natural light, views, and circulation while ensuring efficient use of every square foot. Our collaborative process and detailed 3D visualization help you fully understand your custom floor plan before construction begins.