A notification system, method, and/or computer program product that provides an automatic real-time notification to an owner of a property is provided. Further the notification system, method, and/or computer program determines a location with respect to an electronic lockbox associated with the property and generates a geo-fence environment with respect to the property based on the location. Then, the notification system, method, and/or computer program monitors movements of a user device with respect to the geo-fence environment to determine whether a breach of the geo-fence environment has occurred and outputs the automatic real-time notification to the property owner in response to a determination that the breach of the geo-fence environment has occurred.