Answers to common questions about selling, valuing, and exchanging apartment buildings in San Diego.
San Diego apartment buildings are currently trading at an average cap rate of 4.87%, with a median of 4.88%, based on 165 closed transactions from November 2025 through May 2026. Cap rates range from under 4% in premium coastal and urban core neighborhoods to over 8% in higher-yield East County value-add deals. This represents a 43 basis point increase from the 4.44% average seen in the same period two years prior.