I'd like to prevent a single contact from having two addresses with the type 'Home' (or 'Work', etc.). Is there a CiviCRM configuration, or an extension, that provides this functionality?

  • I don't think it's possible in the UI to create two home addresses. Form validation prevents it. Where are they coming from?
    – Coleman
    May 27, 2016 at 21:02
  • Imports perhaps? May 27, 2016 at 22:19
  • Thanks, @Coleman. Should have guessed the UI would prevent this. Looks like they're created as part of a webform-civicrm form submission -- which I guess means they're created via API. Need to dig further I suppose.
    – TwoMice
    May 31, 2016 at 19:21

1 Answer 1


The form validation in the user interface will prevent this. So there's no need to have a setting that would prevent it.

But the API does not prevent it: you can, for example, create a second Home address for a contact through the API. There is no API configuration or option to prevent this.

Thanks @Coleman for pointing this out.

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