GIS for Land Administration

Computer-Assisted Mass Appraisal

appraisal map
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Integrating GIS and computer-assisted mass appraisal (CAMA) enables the tax assessment function to be concurrent with spatial data that is relevant to the tax valuation model. It also supports the creation and maintenance of a more accurate land records basemap using the tools and functions of GIS and provides a single repository of parcel geometry and descriptive data supporting workflow, updates, and mass appraisal input.

GIS adds value to CAMA systems, such as an appraisal model, which can place added value on property that has, for example, frontage on a golf course or lake. If the parcel data and land-use data are maintained in a geodatabase, the frontage calculation is simple and easy using the spatial intelligence of the GIS.

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