San Diego Multifamily & Apartment Building Blog

The San Diego Multifamily Q3 2026 Market Report provides investors and property owners with an in-depth look at San Diego County’s multifamily real estate market. Covering July through September 2026, the report analyzes 2–4 unit and 5+ unit apartment sales, transaction volume, price per unit, cap rates, GRMs, and ZIP-code trends to help investors evaluate property values, understand market conditions, identify investment opportunities, and make informed decisions about selling, buying, or completing a 1031 exchange.

The San Diego Multifamily 2–4 Unit Trailing 12 Report provides investors and property owners with an in-depth look at San Diego County’s small multifamily real estate market. Covering October 2025 through September 2026, the report analyzes duplex, triplex, and fourplex sales, price per unit, cap rates, GRMs, and ZIP-code trends to help investors evaluate property values, identify investment opportunities, and make informed decisions about selling, buying, or completing a 1031 exchange.

Explore the latest trends in San Diego County’s 5+ unit apartment market with our Trailing 12-Month Report, covering October 2025 through September 2026. With 352 recorded sales, this report examines transaction activity, price per unit, cap rates, GRMs, and ZIP-code performance to help investors and property owners better understand current market conditions and investment opportunities.

For many long-term San Diego apartment owners, the biggest question is not, “What is my property worth?”
The bigger question is, “Why would I sell?”

Two proposed California bills could expand and revise emergency price-gouging rules for rental housing, creating new concerns around rent increases, repairs, improvements, and cost recovery. Here’s why San Diego apartment owners should be watching SB 493 and SB 1365 — and how these bills could impact multifamily operations, underwriting, and property values.

Discover critical updates on San Diego’s STRO license enforcement coming in Fall 2026. Learn how automated platform algorithms could cancel your STR bookings over minor license errors.

Stay ahead of the market with ACI Apartments’ San Diego 5+ Unit Apartment Building Trailing 12, providing a comprehensive analysis of apartment building sales throughout San Diego County. Our Trailing 12-Month Market Report tracks the latest multifamily investment trends, including sales volume, average sale price, price per unit, price per square foot, cap rates, GRMs, parking ratios, occupancy metrics, and ZIP code-specific performance

Stay informed with ACI Apartments’ San Diego 2–4 Unit Multifamily Market Report, providing a comprehensive analysis of duplex, triplex, and fourplex sales throughout San Diego County. Updated quarterly, our Trailing 12-Month Market Report tracks the latest multifamily investment trends, including sales volume, average sale price, price per unit, cap rates, GRMs, days on market, and neighborhood-specific performance.

For the past several years, ADUs have been treated like the golden ticket of real estate development and every real estate professional, podcast, and article is ready to explain why they will change your life. But that’s not entirely true.

SB 79 has created a lot of interest in the San Diego multifamily market, especially for apartment owners, 2–4 unit owners, and investors looking for redevelopment opportunities near transit.

San Diego’s 2–4 unit and 5+ unit apartment markets remain active, but buyers are increasingly selective. Well-located properties in coastal and core urban neighborhoods continue to command premium pricing, while inland and value-add opportunities are trading with more scrutiny around rents, expenses, and financing. Accurate pricing remains the key driver of activity.