San Diego County – Q3 2026 Market Overview

San Diego County’s housing market showed mixed trends during the third quarter, with active listings gradually increasing to approximately 6,300 by September while monthly sales eased from early-summer levels. Median sales prices fluctuated, rising in August before finishing September near $890,000. Average price per square foot also varied, ending the quarter around $635. Average active market time remained relatively consistent at approximately 34 to 36 days, below the winter peak. Overall, Q3 brought a growing selection of available homes and a slower sales pace, alongside month-to-month price changes as the market entered Q4.