IIDA is a professional non-profit association with members holding the highest qualifications in the profession and representing all specialties of interior design. With an international membership of 10,000, IIDA exists to enhance the quality of life through excellence in interior design and to advance the profession through knowledge. Membership in IIDA connects you with the interior design community. The information resources, networking opportunities, and legislative and consumer advocacy provide you with a vital link to an ever-expanding global arena.

Curious about member benefits on an international level? Check out this PDF from IIDA Headquarters. As well as IIDA Exclusive Savings!


  • Professional Interior Designer:  Passed the NCIDQ, fulfilled IIDA’s requirements for education and experience, use of appellation: Name, IIDA
  • Professional Architect:  Passed the ARE, actively engaged in the profession of Interior Design
  • Associate:  Fulfilled IIDA’s requirements for education and experience, has not passed the NCIDQ, may use appellation: Name, Assoc. IIDA
  • Educator:  Full-time educator or department chair
  • Student:  Individuals enrolled in an interior design program in the United States and abroad.
  • Affiliate:  Actively engaged in a field other than Interior Design such as landscape architecture, lighting design, or architectural photography
  • International:  Active Interior Designer located outside of an area covered by an IIDA chapter
  • International Design School:  International Interior Design schools at the college/university level
  • Industry:  Industry Members may include corporations or individuals that are suppliers of goods or services.

Interested in joining?  Click on the appropriate membership option link above and apply online or download the application to fill out and mail in. Or contact our Vice President of Membership, Mary Redd to receive an application form by mail.

For additional information about membership, visit the IIDA Headquarters Membership web page.

IIDA’s online Member Directory allows you to locate Members around the world. Search the Member Directory to find a designer on the East Coast, to locate a forum member, or to re-establish ties with an old friend.  Just moved? Use this tool to locate an IIDA Member near you!