There are 6 real estate agents found in Greenfield, OK. View our Greenfield real estate area information to learn about the weather, local school districts, demographic data, and general information about Greenfield, OK. Get in touch with a Greenfield real estate agent who can help you find the home of your dreams in Greenfield. Use our mortgage calculator to see how much it would be to finance a home in Greenfield. Not ready to buy yet? Find and compare apartments for rent in Greenfield.