San Marino, CA—91108
Real Estate Data & Market Trends
Key Metrics at a Glance
Home Price Trends — San Marino, CA
As of Oct '25, the median home price in San Marino, CA is $2,668,000, with a year-over-year change of 3.5%. This indicates that home prices in San Marino, CA are increasing. According to Zillow, the 1-year price projection is 1.1%, suggesting an increase housing market in the next year.
Cost per Home Type
| Home Type | Median Home Value | YoY % Change |
|---|---|---|
All Homes | $2,668,000 | 3.5% |
| Single Family | $2,667,000 | 4.1% |
| Condos | N/A | N/A |
Cost per Home Size
| Home Size | Median Home Value | YoY % Change |
|---|---|---|
1 Bed | N/A | N/A |
2 Bed | $1,916,000 | 4.9% |
3 Bed | $2,232,000 | 4.0% |
4 Bed | $2,868,000 | 4.1% |
| 5 Bed | $4,177,000 | 4.5% |
% of Housing Stock
Rental Trends — San Marino, CA
As of July '25, Rentcast reports the average rent in San Marino, CA is $6,260, with a year-over-year rent change of -2.3%. Per bedroom, the median rent as of July '25 in San Marino, CA is studios: $1,350, 1-bedrooms: $2,780, 2-bedrooms: $4,300, 3-bedrooms: $6,220, 4-bedrooms: $7,210. The most common rental property sizes in San Marino, CA are 3-bedroom and 4-bedroom, accounting for 37.6% and 31.4% of the rental stock.
| Type | Median Rent | Average Rent |
|---|---|---|
| Average Rent | $6,050 | $6,260 |
| Studio Rent | $1,350 | $1,350 |
| 1 Bed Rent | $2,780 | $2,780 |
| 2 Bed Rent | $3,600 | $4,300 |
| 3 Bed Rent | $6,000 | $6,220 |
| 4 Bed Rent | $6,600 | $7,210 |
% of Rental Stock
Property Listings — San Marino, CA
As of Oct '25, Realtor.com reports that the median days on market for a home in San Marino, CA is 81. This is a increase of 37.0% from last year, suggesting that homes are sitting on the market longer than last year. The percentage of listed homes with a reduced price is 19.0%, representing a small inventory and little supply pressure on home prices.
| Metric | Zip Code Average | Year over Year % Change |
|---|---|---|
Median Listing Price | $3,700,000 | -5.0% |
Listing Count | 31 | -4.0% |
| Listings as % of Homes | 0.6% | -4.0% |
Days on Market | 81 | 37.0% |
Demographics — San Marino, CA
As of the latest ACS Survey released in 2023, San Marino, CA has a population of 12,500, which has decreased by -7.9% over the past 5 years. San Marino, CA is a moderately popular place for families, as children make up 23.3% of the population. The area has a highly educated workforce, with 80.2% of adult residents holding a bachelor’s degree or higher. There are many residents working remotely, with 25.3% reporting working from home.
| Metric | Latest Census | YoY % Change |
|---|---|---|
Population | 12,500 | -7.9% |
% Under 18 | 23.3% | 3.6% |
% Seniors | 23.4% | 4.9% |
% WFH | 25.3% | 134.3% |
% w/ College Degree | 80.2% | 6.6% |
As of the latest ACS Survey released in 2023, San Marino, CA is a predominantly asian area, with 68.3% of the population identifying as asian. The asian population has grown by 16.8% in the last 5 years. The second most common race or ethnicity in San Marino, CA is white, making up 20.6% of the population. Foreign-born residents account for 46.6% of the population in San Marino, CA, and this percentage has increased by 14.2% as of the ACS Survey 5 years prior, suggesting more immigrants are calling the area home.
Race and Ethnicity
| Metric | Latest Census | 5-Year % Change |
|---|---|---|
% White | 20.6% | -34.4% |
% Black | 0.3% | -85.0% |
% Hispanic | 7.2% | 63.6% |
% Asian | 68.3% | 16.8% |
% Foreign Born | 46.6% | 14.2% |
Mortgage and Risk — San Marino, CA
According to HUD data as of 2023, there were 118 mortgage originations in San Marino, CA, of which 99.0% of loans were conventional mortgages. The average loan-to-value was 37.0%, with 0.0% above 90% LTV (normal). This implies small mortgage risk in San Marino, CA. Investor activity is low, as 2.0% of loans were by investors. 11.0% of loans were cash-out refinances, suggesting many homeowners are tapping equity.
Mortgages
| Metric | Zip Code Average |
|---|---|
Total Loan Originations | 118 |
% Conventional Loans | 99.0% |
% Government Loans | 1.0% |
% Investor Loans | 2.0% |
% Second Loans | 3.0% |
% Cash Out Refinance | 11.0% |
Loan Activity
Rentals and Section 8 — San Marino, CA
As of 2024, the percent of homes in San Marino, CA under the Section 8 program is 0.1%. This is considered low, suggesting that the neighborhood is sparsely composed of Section 8 homes. Section 8 opportunity is good when HUD pays more than market rent. In San Marino, CA, none of the tracked home sizes currently have HUD payment amounts above market rent, suggesting limited Section 8 opportunity.
Section 8 Market Size
Total Units under HUD | 1 |
Total Units Section 8 | 1 |
% Rentals under Section 8 | 0.1% |
% Occupied Section 8 | N/A |
Section 8 Opportunity
| Home Size | HUD Premium | Market Rent | Max HUD Rent |
|---|---|---|---|
| 1 Bedroom | -$490 | $2,780 | $2,290 |
| 2 Bedroom | -$710 | $3,600 | $2,890 |
| 3 Bedroom | -$2,330 | $6,000 | $3,670 |
| 4 Bedroom | -$2,530 | $6,600 | $4,070 |
Affordability — San Marino, CA
Home Price to Income Ratio
| Metric | Zip Code Average |
|---|---|
| Home Price to Income Ratio | 12.8 |
| Median Home Price | $2,668,000 |
| Median Household Income | $186,000 |