Send out direct mail to targeted San Mateo County, CA neighborhoods using just listed and just sold real estate postcards. Postcards are an inexpensive way to generate new clientele who are looking to buy or sell real estate in San Mateo County, CA. Postcards can be used for all different purposes and doesn't require opening an envelope to get the message across. We have many different postcard templates to choose from including just listed postcards, just sold, branding and promotion postcards, real estate service postcards, company information and much more.