Real estate brokerage; Real estate investment services; Real estate listing services for housing rentals and apartment rentals; Real estate management of retirement communities; Real estate rental services, namely, rental of residential housing; Real estate service, namely, rental property management; Real estate services, namely, condominium management services; Real estate services, namely, leasing and management for others of residential condominiums located within hotel developments; Real estate services, namely, property management services for condominium associations, homeowner associations and apartment buildings; Real estate services, namely, rental, brokerage, leasing and management of commercial property, offices and office space; Arranging of leases and rental agreements for real estate; Commercial and residential real estate agency services; Leasing of real estate; 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