Best Interior Designers in Mercer Island, WA — 2026 Rankings

We ranked 5 interior designers in Mercer Island based on credentials, client reviews, press recognition, and portfolio quality.

Top Interior Designers in Mercer Island

  1. #1 — Michelle Yorke Interior Design LLC Score: 37/100

    Bellevue Interior Designer

    Specialties: General. View full profile →

  2. #2 — Six Walls Score: 31/100

    Six Walls Interior Residential Design Studio

    Specialties: General. View full profile →

  3. #3 — ID by Gwen Score: 28/100

    ID by Gwen is an trusted interior designer proudly serving Mercer Island, WA and the surrounding region. Located at 7500 86th Ave SE. Reach them at (206) 313-0720. Visit their website for more details on services and portfolio.

    Specialties: General. View full profile →

  4. #4 — Diamond Design Score: 22/100

    Diamond Design is an trusted interior designer proudly serving Mercer Island, WA and the surrounding region. Located at 9031 E Shorewood Dr 21-619. Reach them at (206) 660-9589.

    Specialties: General. View full profile →

  5. #5 — Colleen Knowles Interior Design Score: 11/100

    Colleen Knowles Interior Design brings professional interior design expertise to the Mercer Island, WA community. Located at 9311 SE 36th Street, Suite 103. Reach them at (206) 399-2232.

    Specialties: General. View full profile →

How We Rank Interior Designers

Our Guide Score (0–100) combines Google rating (35%), review volume (20%), web and portfolio presence (20%), profile completeness (15%), professional credentials like ASID/NCIDQ/IIDA (5%), press recognition (3%), and years of experience (2%). Read our full methodology →

Frequently asked questions

Who is the #1 interior designer in Mercer Island?
Michelle Yorke Interior Design LLC is currently the #1 ranked interior designer in Mercer Island based on our Guide Score, which evaluates Google reviews, credentials, press recognition, and portfolio quality. See the full ranked list above.
How are interior designers ranked in Mercer Island?
Our Guide Score (0–100) combines Google rating (35%), review volume (20%), web and portfolio presence (20%), profile completeness (15%), professional credentials like ASID/NCIDQ/IIDA (5%), press recognition (3%), and years of experience (2%). There is no paid placement.
What do interior designers typically cost in Mercer Island?
Pricing varies by budget tier. Economy firms in Mercer Island often start around $5,000–$15,000 for a single room; standard-tier projects commonly run $20,000–$75,000; premium and luxury firms regularly exceed $150,000 for whole-home scopes. Individual designer pages list each firm's published budget tier and, where available, a starting-project budget.
Which design styles are common in Mercer Island?
Mercer Island's represented styles will populate as we verify more firms. Browse the full style index to filter designers by the aesthetic you prefer.