Appraisals are professional estimates of the market values of lake chelan properties, based on recent sales of comparable lake chelan properties, waterfront locations, square footages and construction qualities. This service varies in cost depending on the price of lake chelan properties. On average, appraisals cost about $300 for $250,000 homes. A comparative market analysis is an informal estimate of market value performed by a real estate agent based on similar home sales and property attributes. Most agents offer free analyses, hoping to win your business. Phone or send an email for information on this service. You also can get a comparable sales report for a fee from private companies that specialize in real estate data.