The Webb County Appraisal District is governed by Webb County in Texas. It is an independent, local government entity that lists and appraises real properties at fair market value. The district is involved in the preparation of a rendition guide to assist business owners. It determines the market value of property through the application of generally accepted appraisal methods and techniques required under the federal and state laws. The Webb County Appraisal District appraises residential properties by using a combination of cost information and market sales data. It also appraises commercial properties by using nationally recognized appraisal manuals and local construction cost data. The district is responsible for discovering, listing and appraising every item of taxable property. It operates through customer service, administration, mapping, real property, business personal property and data service departments.