Lumber prices have skyrocketed more than 180% since last spring, and this price spike has caused the price of an average new single-family home to increase by $24,386 since April 17, 2020, according to NAHB standard estimates of lumber used to build the average home. Similarly, the market value of the average new multifamily home has increased by $8,998 over the same period due to the surge in lumber prices.