Zillow’s September 2025 housing market report reveals an unexpected surge of activity during what is typically real estate’s slow season. A dip in mortgage rates—combined with a strong stock market—sparked renewed energy among both buyers and sellers after a sluggish August. New listings climbed 3% year over year in September, reversing the 3% decline a month earlier. On a monthly basis, listings dipped 2%, outperforming the historical average of a 9% tumble heading into the fall. Total inventory slipped ju ...