What to know before you move: cost, market timing, who it fits.
If you're considering a move to San Marino, CA, the most important variables are the local housing market, the cost structure (taxes, insurance, utilities), and how well the city fits your day-to-day life. This page summarizes the housing market read; pair it with the cost of living page for the full picture.
San Marino is a city in Los Angeles County, California, with an estimated population of 12,105. It anchors the Los Angeles-Long Beach-Anaheim metro area. The population has contracted 0.8% per year on average since 2020. The median home value in San Marino is $2,852,320 as of 2026-04, up 7.2% over the last 12 months. Over the last five years, home values have averaged +4.5% annual growth, with prices at or near the 5-year peak. Rents in San Marino average $6,172 per month. The composite momentum score is 66 of 100 (Rising). The market is healthy with prices supported by underlying demand.
Quiet strength: prices near or at all-time highs (-0.3% from 5-year peak). Solid market for owner-occupiers; investors should underwrite conservatively given the elevated entry point.
Reasons people move here
- Trend still working: prices up 7.2% in the last 12 months — buyers are still chasing inventory.
- Held the highs: currently -0.3% from the 5-year peak — this market refused to give back gains.
Things to know first
- Flat or shrinking population: -0.8% per year. Housing demand has to come from somewhere — verify the source.
- Premium territory: $2,852,320 median home is a high bar to clear — affordability constrains the buyer pool.
- Thin housing market: small population means fewer transactions and slower resale. Liquidity risk on exit.
More about San Marino
Sources: Zillow ZHVI (home values), Zillow ZORI (rents), US Census ACS + place population. Updated when source agencies publish revisions.