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Record-High Rents Are Making Buying a San Francisco 2–4 Unit Building More Appealing
Mid-Year 2–4 Unit Market Report
San Francisco’s 2–4 unit market is one of the largest and most active segments of the city’s real estate market. The 2–4 unit market behaves differently from the larger apartment-building market. Buyers are often purchasing both a home and an investment. This makes these properties more sensitive to interest rates, but it also creates a much broader pool of potential buyers.
A Very Active Market
Unlike the 5+ unit market, where very few buildings are available, the 2–4 unit market has a healthy amount of inventory and consistent sales activity. Buyers include owner-occupiers, investors, families purchasing together and people who want rental income to help offset the cost of living in San Francisco. This broad demand keeps the market moving, even with elevated interest rates. Many buyers who begin their search for a single-family home are also considering duplexes, triplexes and four-unit buildings. A multi-unit property can provide access to a neighborhood they might not otherwise be able to afford while generating meaningful monthly income.
Record-High Rents Are Making Buying More Appealing
San Francisco rents have reached record highs in many neighborhoods. This is particularly meaningful for 2–4 unit buildings because one vacant or recently rented apartment can represent a large percentage of the property’s total income. Higher rents help buyers offset today’s mortgage payments and make multi-unit ownership more attractive compared with purchasing a single-family home. Instead of carrying the entire cost of a home themselves, buyers can use income from the other units to reduce their monthly housing expense. For many, this creates a realistic path to owning in neighborhoods where the price of a single-family home would otherwise be out of reach. Rent control still affects the value of occupied units, and buyers carefully evaluate every tenancy. However, a building with a vacant unit and strong income from the remaining apartments can perform exceptionally well in the current market.
Interest Rates Have a Greater Effect on 2–4 Unit Buyers
The 2–4 unit market is more affected by interest rates than the 5+ unit market. Larger apartment buildings are generally purchased based on income and are increasingly being acquired by investors using low leverage or cash. In comparison, many 2–4 unit buyers rely on residential financing and borrow a substantial portion of the purchase price. As borrowing costs increased, purchasing power declined. This contributed to a meaningful correction in 2–4 unit values between 2022 and 2024.
The market is now showing a strong recovery. The median price for a 3–4 unit building has increased to approximately $2.18 million year to date, while the median price for a two-unit building has risen to approximately $1.95 million. Pricing per square foot has also recovered. Two-unit buildings are averaging approximately $784 per square foot, while 3–4 unit buildings are averaging approximately $604 per square foot. These figures are approaching earlier market highs, despite interest rates remaining substantially higher than they were several years ago.
A Vacant Unit Can Change the Entire Sale
For owners with a vacant unit, this is a particularly good time to sell. A vacant unit opens the property to owner-occupier buyers, who will often pay more than a traditional investor. These buyers are not evaluating the building solely on its income or capitalization rate. They are also considering the value of the home they will occupy, the neighborhood and the income generated by the remaining units. A well-presented vacant unit allows a buyer to move in immediately, obtain owner-occupied financing and begin collecting income from the other units.
Properties with a desirable vacant unit—especially a larger upper unit, remodeled apartment, garden access, parking or outdoor space—can attract substantial interest. In many cases, the highest-value buyer for a 2–4 unit building is not an investor. It is an owner-occupier who wants a home and recognizes the long-term financial benefits of multi-unit ownership.
What Sellers Need to Know
This is an active market, but a healthy level of inventory means sellers must compete for buyers’ attention. Pricing, preparation and positioning matter. The property must be marketed to the correct buyer pool, and the value of any vacancy should be presented as both a residential and an investment opportunity.
Not every 2–4 unit building should be marketed the same way. A fully tenant-occupied property may appeal primarily to investors. A duplex with a large vacant unit may compete with single-family homes. A triplex or four-unit building with multiple vacancies may attract owner-occupiers, investors, extended families or buyers purchasing together. Identifying the buyer most likely to pay the highest price should determine the entire marketing strategy.
For owners with a vacant unit, this is an excellent time to evaluate a sale. Prices have recovered, rents are exceptionally strong and buyers are actively searching for San Francisco 2–4 unit properties. If you own a duplex, triplex or four-unit building and would like to understand its current value, reach out for a confidential valuation and sales strategy.
