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Real Property
How Property is Valued - Assessing Property
A computer-assisted mass appraisal (CAMA) system called RealWare is used in Sweetwater County, as well as in all other Wyoming counties and many other states, for real property appraisals. The Wyoming Department of Revenue is responsible for maintaining this state-provided mass appraisal database. This system is able to store sales data and run sales ratio studies. It is also a cost system consisting of an appraisal program, which is regularly updated by the state.

Property and building characteristics are collected by our field crew and entered into the system. With this information, the system generates a replacement cost new (RCN) using Marshall and Swift valuation tables. Further entry of year of construction, effective age, condition, and other characteristics generates a replacement cost new less depreciation (RCNLD) for each building on every piece of property in the county. The sum of the RCNLD of all structures, called improvements, and the land value equals the appraised value of the property.
 
Present Worth Valuation

Present Worth Valuation – As per Wyoming Statute 39-13-103 (b) (xvii) “For the valuation of vacant land within a platted subdivision development, the county assessor shall consider the value of the property through the use of present worth appraisal methodology upon the request of the property owner”.  For more information on qualifying for this program, please contact the county assessor.

Learn more about property files and residential evaluations.

Our Goal - Fair Evaluations
The assessor’s goal is to make value estimates based on the best information available and to value all properties fairly and equally, while being as close to fair market value as possible. For additional information or questions please contact the Assessor's office at (307) 872-3700.