Disclosed is a device, system, and method that includes a network interface device communicatively coupled to a processor that is configured to provide network groups and facilitate real estate transactions. Each user in the system is a member of at least one network group, wherein the network group can be based on a geographic location of the user, the user' s professional affiliations, and/or other criteria. The user' s property databases are integrated with the system to share property listings within network groups and generate leads based on matching property requirements. Real estate transactions can be conducted via a messaging platform of the system, wherein the messaging platform consolidates electronic messages to maintain a single communication thread.