Welcome to our home page. Corthell & Associates is a leading provider of real estate valuations for the Northern Nevada real estate market. With over 25 years of experience in the real estate industry, we have a proven track record of reducing lenders time, efforts and costs in managing the appraisal process. Through this web site, you can perform a number of tasks. Ordering an appraisal is just a click of a button away. Or, spend some time and find out a bit more about the appraisal business. Make an informed decision.