Your Assessed Property Value

Check out our Property Search site for the assessed value of properties in the City of Sun Prairie.

In Sun Prairie, residential and most commercial property is assessed using the market value approach related to the most recent revaluation year. Market value is the price a property might reasonably sell for after adequate time and exposure to an open market when sold by a willing seller to a willing buyer.

Calculating Your Assessment
To calculate your assessment, assessors look at property characteristics such as the size, type, and age of your property, as well as its:
  • Condition
  • Location
  • Lot size
  • Style
  • Upgrades
The selling prices of similar properties in the same neighborhood or similar areas are what generate the market value. Your property's market value is determined from a range of probable selling prices, not a specific selling price.