San Diego Multifamily Market Report Q1 2025: Trends, Sales Data, and Investment Insights

The San Diego multifamily real estate market report is showing signs of both momentum and caution in Q1 2025. With a sharp year-over-year increase in transaction volume for both 2–4 unit and 5+ unit properties, investors are clearly active—but rising days on market and slowing rent growth indicate changing dynamics. This report breaks down key multifamily trends by zip code, cap rate, GRM, vacancy, and construction activity across San Diego County, helping buyers, sellers, and investors stay informed and ahead of the curve.