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39th Annual Convention of the

Antique Doorknob Collectors of America

Become a Member and Join us for the 39th Annual Convention, July 23-26, 2019 in North Little Rock, Arkansas. Visit us for more details, including on-line registration. Registration packets will be mailed to members in April.


Participate in the buying and selling of antique hardware.
Enjoy the tours and fellowship. 
You must be a member to receive registration information.

Find membership information on this website.

For further information contact us at


  Members of ADCA have gathered annually since 1981, at what is called the Annual Convention of the Antique Doorknob Collectors of America. Past conventions have been held in Massachusetts, California, Connecticut, Indiana, Illinois, Iowa, Manitoba, Maryland, Michigan, Minnesota, Missouri, New York, Oregon, Pennsylvania, South Carolina, Texas, Washington, and Wisconsin. The location is determined by members volunteering to host the convention in their local area.