San Francisco Real Estate Market Report: December 2021

robyn November 27, 2021

San Francisco Real Estate Market Report: December 2021

Where can home prices go from here?

Quick Take:

  • Home prices appreciated faster in 2021 than at any other time, even surpassing the 2004–2006 housing bubble. 
  • Home prices will probably decrease before returning to a more reasonable growth rate.
  • Home prices in the last 20 years increased at more than twice the rate of the median household income in California (142% vs. 65%).
  • Despite record low inventory, home price growth is hitting a ceiling.
  • The average 30-year fixed mortgage rate, while still historically low, rose to 3.14% at the end of October 2021.

Note: You can find the charts/graphs for the Big Story at the end of this section.

The Big Story

Highs (price) and lows (inventory) in the housing market

Income is one of the largest predictors of home price growth, second only to available supply. Consumers have more money to spend, which in turn drives up prices. But the increases in income haven’t kept up with the rise in home prices, especially in the last two years. In 2020, home prices increased 10% according to the Case-Schiller 20-City Composite Index, while median income decreased by 1%.

The disconnect between income and home prices is happening for two reasons. First, the ability to take on debt means that income doesn’t necessarily need to increase at a 1:1 ratio with home prices. Second, the pandemic changed buyer preferences, increasing the demand for homes and dropping inventory to previously unseen lows. 
Because home price increases outpaced income growth, homebuyers needed to take on more debt to buy a home than they would have a few years ago. But due to the drop in interest rates, the monthly payment, even on a higher-priced home, becomes more affordable. For every 1% decrease in a 30-year mortgage rate, the price of the home can increase 13% without a change in monthly payment (and vice versa). For example, the monthly payment on a $1,000,000 mortgage at 4% is almost identical to the monthly payment for a $1,130,000 mortgage at 3%, a $130,000 difference. 

The pandemic also changed buyer preferences. Rather than spending roughly half of our time at home, which is the norm, we were faced with endless time in our living spaces. (You remember — you were there.) As of September 2021, the United States has 59% fewer homes on the market, and 53% of that happened in the last two years. We were happy to see more homes on the market in the second quarter of 2021 because the increased supply helped satiate the high buyer demand, but we are already seeing the seasonal shift to fewer homes coming to market. Inventory will likely remain super low in the coming fall and winter months. 

The market remains competitive for buyers, but conditions are making it an exceptional time for homeowners to sell. Low inventory means sellers will receive multiple offers with fewer concessions. With so many moving parts in real estate transactions, working with an experienced real estate agent is essential in smoothly navigating the entire buying and selling process.

Big Story Data

Case-Shiller 20-City Home Price Composite chart showing home prices rising sharply through 2021.
Chart comparing California median household income and annual income growth from 2000 to 2020.
Chart of 15- and 30-year fixed mortgage rates from 2000 to 2021, both near 2% to 3% in 2021.
Chart of U.S. housing inventory, showing active listings falling sharply from 2019 to 2021.

The Local Lowdown

The market is cooling but it’s still not a buyers’ market

Quick Take:

  • Home prices increased dramatically in 2021. From January through October, single-family home prices rose 19% in San Francisco, while condo prices increased 17%.
  • Despite historically low inventory, the increase in home sales and speed of sales reflect the high demand in San Francisco.
  • Months of Supply Inventory further indicates a sellers’ market.

Note: You can find the charts/graphs for the Local Lowdown at the end of this section

Home prices moved like stocks in 2021

Despite the increase in single-family home and condo inventory in 2021, we’re still at a historic low. August and September are typically the months with the highest inventory every year. In 2021, total inventory didn’t come close to last year’s level. Even though we’re seeing some price correction after the first half of the year for homes, the sustained low inventory will lift prices. Sales in San Francisco have been incredibly high, again highlighting demand in the area.

More supply, no problem

Homes are selling faster than at any point in the last 15 years. The Days on Market reflects the high demand for homes in San Francisco. Buyers must put in competitive offers, which, on average, are 16% above the list price for single-family homes and 4% above for condos. 

Months of Supply Inventory (MSI) quantifies the supply/demand relationship by measuring how many months it would take for all current homes for sale on the market to sell at the current rate of sales. The average MSI is three months in California, which indicates a balanced market. An MSI lower than three indicates that there are more buyers than sellers on the market (meaning it’s a sellers’ market), while a higher MSI indicates there are more sellers than buyers (meaning it’s a buyers’ market). Currently, both single-family home and condo MSIs are low, indicating a sellers’ market.

Homes are selling fast — really fast

Homes are selling faster than at any point in the last 15 years. The Days on Market reflects the high demand for homes in San Francisco. Buyers must put in competitive offers, which, on average, are 16% above the list price for single-family homes and 4% above for condos. 

Months of Supply Inventory (MSI) quantifies the supply/demand relationship by measuring how many months it would take for all current homes for sale on the market to sell at the current rate of sales. The average MSI is three months in California, which indicates a balanced market. An MSI lower than three indicates that there are more buyers than sellers on the market (meaning it’s a sellers’ market), while a higher MSI indicates there are more sellers than buyers (meaning it’s a buyers’ market). Currently, both single-family home and condo MSIs are low, indicating a sellers’ market.

Local Lowdown Data

Chart of San Francisco median home prices, monthly from October 2019 to October 2021, for single-family homes and condos.
Chart of San Francisco year-over-year median price changes for single-family homes and condos, November 2020–October 2021.
San Francisco single-family home inventory chart, with inventory peaking in late 2020 before declining through September 2021.
Chart comparing year-over-year condo price changes and median prices across 11 California counties in September 2021.
Chart of North Bay single-family home inventory, new listings, and sales, September 2019–September 2021.
San Francisco condo chart compares homes for sale, new listings, and sales from October 2019 to October 2021.
San Francisco monthly days on market for single-family homes and condos, October 2020 to October 2021.
Chart comparing San Francisco months of supply for single-family homes and condos, October 2020–October 2021.

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