Discovery Call
Start Connecting With A Great Conversation
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Design Consultation
Personalized, Customized Ideas For Your Design Needs
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Designer By Your Side
Design Support As Needed
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Color Consulting
Paint Palettes: Front Door, Exterior & Interior
+ Kitchen & Bath Finishes
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Quick Design Advice


Have several burning question on a project you’re doing? Or a short list of questions in several rooms? Maybe you need feedback on ideas before you commit? Or you’d just like to try out our service. This lets you do any of those!

Full Room Design


What would it feel like to change the whole look of your worst space into your favorite place? Our custom designed rooms will uncover their hidden potential to be amazing!

Designer By Your Side


Need a second set of eyes to look at your project, plan, and ideas before you commit? Now you can get those projects done with our help and start enjoying your very own comfortable, inviting designer spaces!

The Styled Room


If your furnished room doesn’t feel pulled together, maybe even needs the finishing touches -the right layout and styling details will give it that designer look you’re after!

Color Consultation


If you are overwhelmed with choosing the perfect paint colors, now you can choose them with confidence with the help of “TRUE COLOR EXPERT” Mary Brown!

Front Door Color


As a “TRUE COLOR EXPERT,” I will take the stress out and put the excitement back into selecting the right color for your homes front door.

Does your home feel like it fits your life?

So much of our life happens at home, from being our getaway place to our gathering place with family and friends and often even our office space.

But does your home really help you do all that you want it to?


North Seattle | Southwest Snohomish County

Welcome to One Day Design, we are an award winning Seattle interior design studio that has been featured both locally and nationally including on HGTV.

Services Includes

We treat every project as our own by getting to know you and your taste as well as your needs, wishes and project goals before we begin to design for you. Creating stylish, functional and comfortable designer spaces you are happy to call home.

“Mary has been wonderful to work with. Her process is extremely straightforward and transparent. She is great at setting expectations, has a keen eye and most importantly an amazing sense of style and understanding of client needs... She was so good at finding the intersection and overlap of our style and put together a design board that needed very little change. We were so impressed and pleased with her selections…”

What Clients Are Saying

Design Tips

Design inspiration from The One Day Design Blog

Your Home Is You

Together we’ll collaborate to create beautifully designed spaces
that reflect you; spaces you’ll be happy to call home.

Tell Us About Your Project with a Free Introductory Call

What Is Your Ideal Color Palette?

Which colors should you use in your home? Take our quiz to find out!


Take Our Color Palette Quiz!

Which colors should you use in your home? Take our quiz to find out your ideal color palette!

Turn Your Home Into A Haven

Call for a Consultation Today!