- All of the major regions posted year-over-year sales declines, with sales in the Los Angeles metro region dropping 7.1 percent, the Inland Empire decreasing 3.5 percent, and sales in the San Francisco Bay Area dipping 0.3 percent from last year.
- Sales dropped in five of six counties in the Southern California region, with both Ventura and Orange County decreasing by double digits. A supply shortage and affordability were likely factors in the decline. Sales in Los Angeles, San Diego, and Riverside also dropped moderately when compared to last year, while sales in San Bernardino remained virtually unchanged.
- Home prices across the state continued to grow in general in December. Forty-five of the 51 reported counties recorded a year-over-year price increase, with 19 of them growing at double-digit rates.
- With housing inventory at the tightest level among all regions across the state, the Bay Area region continued to appreciate the most with a 14.1 percent growth rate from the previous year. Seven of the nine Bay Area counties recorded a year-over-year increase in median price of at least 10 percent. Santa Clara prices surged the most at 34.7 percent.
- Statewide active listings continued to decline in December, dropping 12 percent from a year ago. Since the beginning of the year, active listings have declined by more than 10 percent every month, and the number of available listings for sale has trended downward for more than two years.
- The available supply of homes hit the lowest level observed since June 2004, with the statewide unsold inventory index dropping to 2.5 months in December from 2.9 months in November. The index measures the number of months needed to sell the supply of homes on the market at the current sales rate. The index stood at 2.6 months in December 2016.
- The median number of days it took to sell a single-family home remained low at 25 days in December, compared with 32 days in December 2016.
- C.A.R.'s sales price-to-list price ratio was 98.7 percent statewide in December, 98.9 percent in November, and 98.1 percent in December 2016.
- The average statewide price per square foot for an existing, single-family home statewide was $265 in December, up from $246 in December 2016.
- Mortgage rates edged higher in December as 30-year, fixed-mortgage interest rates averaged 3.95 percent in December, up from 3.92 percent in November and from 4.2 percent in December 2016, according to Freddie Mac. The five-year, adjustable mortgage interest rate also ticked higher in December to an average of 3.39 percent from 3.24 percent in November and from 3.23 percent in December 2016.