San Diego housing prices trail U.S. average as rates hold near 6.5%
San Diego housing prices rose just 1.05% year over year in June 2026, below the nationwide gain of 1.5% and far short of local inflation, which has ranged from 2.5% to 4% for two years. That marks 19 straight months San Diego price growth failed to beat inflation, as mortgage rates near 6.5% keep buyers and sellers on hold.
The figures come from the S&P Cotality Case-Shiller Indices report released Tuesday. The index tracks repeat sales of identical single-family homes using a three-month rolling average and is often viewed as a bellwether for the broader economy.
Key Takeaways
- San Diego housing prices gained 1.05% annually in June, below the 1.5% U.S. average.
- Local price growth has trailed inflation for 19 consecutive months.
- 30-year mortgage rates held near 6.5% in June, sidelining many buyers and sellers.
- Seven of the 20 tracked metro areas saw declining home prices in June.
- San Diego's median single-family home price has hovered around $1 million since early 2026.
Why are San Diego housing prices lagging the national average?
High financing costs are the main drag. "The housing market remains under pressure, with 30-year mortgage rates holding near 6.5% in June," said Rebecca Kaufman, an associate director at S&P. "As financing costs are kept high for prospective buyers, current homeowners remain reluctant to give up the low mortgage rates secured in prior years."
The average 30-year fixed mortgage rate hit a 2026 low of 5.98% in late February, according to Freddie Mac, then climbed to 6.49% by the last week of June and 6.65% by the end of last week. Those elevated rates, combined with still-high home prices, have cooled activity across the region.
How does San Diego compare to other major U.S. cities?
While San Diego underperformed nationally, several metros posted strong gains. Chicago led with a 6.9% annual increase, followed by New York at 4.79% and Cleveland at 4.13%. The 20-city composite index rose 2.1% year over year, outpacing the broader national index.
On the downside, Seattle saw the steepest decline at 1.95%, followed by Las Vegas at 1.9% and Denver at 1.24%. Seven of the 20 cities on the index recorded falling prices. Detroit was excluded from the June report due to reporting delays in Wayne County.
Is renting more affordable than buying in San Diego?
For many potential buyers, renting may be the more practical choice. A Zumper study found the San Diego metro had the sixth-highest price-to-rent ratio in the nation, with owning a home costing roughly $3,208 more per month than renting.
San Diego County's median single-family home price has stayed around $1 million since the start of the year, according to Attom Data Solutions. Anthony Smith, senior economist at Realtor.com, noted national home prices posted four straight months of gains, albeit modest ones below the inflation rate. "If financing costs stay elevated into the fall," Smith said, "June's pickup in price growth may prove difficult to sustain."
Advanced data platforms like the Case-Shiller index are reshaping how analysts track housing markets in real time — a trend we cover across our Future Tech & AI Wonders coverage. San Diego reached a record on the index in March 2022 when prices surged 29.6% annually, but the region has since seen moderate declines and very small gains throughout 2025 and 2026.