Real estate appraisal and valuation; Real estate brokerage; Real estate listing; Real estate multiple listing services; Real estate valuations; Appraisal and evaluation of real estate; Providing real estate listings and real estate information via a website; Providing real estate listings and real estate information via the Internet; Providing real estate listings via the Internet; Providing a database of information about residential real estate listings in different neighborhoods and communities; Providing a database of residential real estate listings within neighborhoods and communities specifically identified by users; Providing an Internet website portal offering information in the fields of real estate concerning the purchase and sale of new and resale of homes and condos; Providing information in the field of real estate; Providing information in the field of real estate by means of linking the web site to other web sites featuring real estate information; Providing information in the field of real estate via a website; Providing information in the field of real estate via the Internet; Residential real estate agency services