No, they did not increase 4x.
Really depends on your market. New homes on my street in Houston are selling for twice what they went for before the pandemic. If you’re in a hotter market, on the East or West Coast, prices are higher.
And the jump from 3% interest to 6-7% interest following the pandemic raised monthly mortgage rates around another 1.5-2x (since taxes and interest are the lion’s share of the cost).