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© 2020
International Interior Design Association

Chicago, IL
Toll Free: 888 799 4432
International: +01 312 467 1950


If you are an interior designer and have passed the NCIDQ exam, you qualify as an IIDA Professional Member. Your application must include:

  • Photocopy of NCIDQ Certificate or Card

Membership Dues

IIDA memberships run on the calendar year, January through December. If you are applying as a new member or you are reactivating your membership, there is a onetime $75 application fee. New memberships are prorated on a quarterly basis. Full prices are listed below.

Professionals are actively engaged in the profession and are NCIDQ certified.
Are actively engaged in the profession and meet the following requirements:

  • Completed two to four years of coursework in an interior design or architecture program
  • 15 years of work experience
  • Can provide three letters of recommendation from IIDA members in good standing that can support the candidate's career achievements in the interior design profession

2020 Calendar Year Dues: $535

Prorated New Member Dues
New memberships are prorated on a quarterly basis by join date:

September 1, 2019 - March 31, 2020: $535
April 1 - June 30, 2020: $401.25
July 1 - August 31, 2020: $267.50


Inactive or Retired?
If you are an active IIDA member in good standing and have retired or are unable to continue practicing due to disability, illness, unemployment, or relocation, contact to inquire about Inactive or Retired Status.

Professional Qualifications

To qualify as an IIDA Professional Member you must be NCIDQ-certified.

NCIDQ Exam Eligibility Requirements

NCIDQ maintains minimum education and work experience requirements for eligibility to take the NCIDQ Examination.The amount of combined education and work experience required depends on certain characteristics of each. NCIDQ has developed six eligibility routes for determining when you are eligible to apply to take the exam. 

NCIDQ Experience Requirements

All work experience used to satisfy the eligibility requirements must be interior-design-related. Work experience may be full-time or part-time. NCIDQ recommends working under the direct supervision of an NCIDQ Certificate holder, a registered interior designer or an architect who offers interior design services to ensure that 100% of your work experience counts. Check here for NCIDQ's qualified work experience information.

IIDA Code of Ethics for Professional Member Conduct

IIDA believes it is essential for all members to conduct business in a respectable and responsible manner between fellow IIDA members and the general public. It is the responsibility of all IIDA members to adopt and uphold these guidelines of behavior from the code of ethics, presenting a positive reflection of themselves, the industry and the Association.

Review the IIDA code of ethics here.