A system and method for managing real estate transactions over the Internet are disclosed. The method includes placing real property market-specific listing data in a user-accessible Internet accessible database, searching the database using search parameters input by a user from an Internet-connected terminal, and displaying to the user on a secure web page any real property listings which match the search parameters. One embodiment includes displaying, on the web page, links to the database for the matching listings. One embodiment includes initiating a user account for the user prior to entering the search parameters. One embodiment includes initiating a portfolio for the user, wherein the user selects ones of the displayed real property listings to add to the portfolio. One embodiment includes the user entering an appointment request for at least one of the listings in the portfolio at the Internet-connected terminal, determining whether a time in the appointment request matches times listed as available, and if such time is available posting on an agent terminal a viewing appointment. One embodiment includes the user entering offer to purchase data for a listing in the portfolio in the Internet-connected terminal, posting the offer data at a transaction coordinator terminal, if any of the offer data are legally deficient, generating an e-mail message identifying the deficiency and transmitting the deficiency e-mail message to the user, if any of the offer data are legally deficient, correcting any such deficiency, and generating an offer for sale document using a market-specific template.