San Mateo County – Q4 2025 Market Overview

Inventory in San Mateo cooled notably by year-end after peaking earlier in 2025, settling well below prior highs and bringing supply closer to historical norms. Sales activity held relatively steady, signaling consistent buyer interest despite a slower pace. Median sales prices remained resilient, starting in the mid-to-high $1.6M range earlier in the quarter and settling around $1.53M by December, reinforcing San Mateo’s long-term price stability.Price per square foot hovered near $1,100, reflecting sustained demand for well-located homes. Average days on market edged higher into the high-30s, just hitting 40 by December, pointing to a more balanced, thoughtful market as Q4 closed.