Real estate appraisal, property valuation or land valuation is the process of developing an opinion of value, for real property

The role of the appraiser is to provide objective, impartial, and unbiased opinions about the value of real property -- providing assistance to those who own, manage, sell, invest in, and/or lend money on the security of real estate

Someone who continues their education past the real-estate-agent level and successfully receives a state real estate broker license. Real estate brokers can work as independent agents or have other agents working for them.