The Preserve has 1.67 months of inventory which is considered a Seller's Market. Months of inventory is a simple way to measure the heat of a market in terms of supply vs. demand. To calculate it, divide the total available listings last month by the number of listings sold in that month. 6 months of inventory is considered a neutral market. Less favors sellers. More favors buyers. On average, homes in The Preserve cost 8.3% more than other homes in Sparks and sell 24.1% slower.