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38th Annual Convention of the

Antique Doorknob Collectors of America

Become a Member and Join us for the 38th Annual Convention, July 17-20, 2018 in Princeton, New Jersey. More details to come in future member newsletters.


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.