Portola Valley, CA—94028
Real Estate Data & Market Trends
Key Metrics at a Glance
Home Price Trends — Portola Valley, CA
As of Oct '25, the median home price in Portola Valley, CA is $4,012,000, with a year-over-year change of 5.5%. This indicates that home prices in Portola Valley, CA are increasing. According to Zillow, the 1-year price projection is -0.4%, suggesting a relatively flat housing market in the next year.
Cost per Home Type
| Home Type | Median Home Value | YoY % Change |
|---|---|---|
All Homes | $4,012,000 | 5.5% |
| Single Family | $4,014,000 | 6.6% |
| Condos | N/A | N/A |
Cost per Home Size
| Home Size | Median Home Value | YoY % Change |
|---|---|---|
1 Bed | N/A | N/A |
2 Bed | $2,302,000 | 9.0% |
3 Bed | $3,434,000 | 6.0% |
4 Bed | $4,306,000 | 5.9% |
| 5 Bed | $5,516,000 | 6.2% |
% of Housing Stock
Rental Trends — Portola Valley, CA
As of July '25, Rentcast reports the average rent in Portola Valley, CA is $7,570, with a year-over-year rent change of -20.3%. Per bedroom, the median rent as of July '25 in Portola Valley, CA is 3-bedrooms: $7,850, 4-bedrooms: $7,000. The most common rental property sizes in Portola Valley, CA are 1-bedroom and 2-bedroom, accounting for 37.0% and 28.4% of the rental stock.
| Type | Median Rent | Average Rent |
|---|---|---|
| Average Rent | $7,500 | $7,570 |
| Studio Rent | N/A | N/A |
| 1 Bed Rent | N/A | N/A |
| 2 Bed Rent | N/A | N/A |
| 3 Bed Rent | $7,500 | $7,850 |
| 4 Bed Rent | $7,000 | $7,000 |
% of Rental Stock
Property Listings — Portola Valley, CA
As of Oct '25, Realtor.com reports that the median days on market for a home in Portola Valley, CA is 93. This is a increase of 154.0% 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 18.0%, representing a small inventory and little supply pressure on home prices.
| Metric | Zip Code Average | Year over Year % Change |
|---|---|---|
Median Listing Price | $4,400,000 | -19.0% |
Listing Count | 34 | 20.0% |
| Listings as % of Homes | 0.3% | 20.0% |
Days on Market | 93 | 154.0% |
Demographics — Portola Valley, CA
As of the latest ACS Survey released in 2023, Portola Valley, CA has a population of 6,640, which has decreased by -3.2% over the past 5 years. Portola Valley, CA is a moderately popular place for families, as children make up 16.5% of the population. The area has a highly educated workforce, with 78.0% of adult residents holding a bachelor’s degree or higher. There are many residents working remotely, with 39.6% reporting working from home.
| Metric | Latest Census | YoY % Change |
|---|---|---|
Population | 6,640 | -3.2% |
% Under 18 | 16.5% | -31.0% |
% Seniors | 38.2% | 35.0% |
% WFH | 39.6% | 77.6% |
% w/ College Degree | 78.0% | -5.2% |
As of the latest ACS Survey released in 2023, Portola Valley, CA is a predominantly white area, with 75.8% of the population identifying as white. The white population has shrunk by 6.5% in the last 5 years. The second most common race or ethnicity in Portola Valley, CA is hispanic, making up 12.5% of the population. Foreign-born residents account for 17.6% of the population in Portola Valley, CA, and this percentage has increased by 18.1% 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 | 75.8% | -6.5% |
% Black | 0.2% | 0.0% |
% Hispanic | 12.5% | 86.6% |
% Asian | 7.7% | 2.7% |
% Foreign Born | 17.6% | 18.1% |
Mortgage and Risk — Portola Valley, CA
According to HUD data as of 2023, there were 74 mortgage originations in Portola Valley, CA, of which 100.0% of loans were conventional mortgages. The average loan-to-value was 40.0%, with 0.0% above 90% LTV (normal). This implies small mortgage risk in Portola Valley, CA. Investor activity is low, as 0.0% of loans were by investors. 8.0% of loans were cash-out refinances, suggesting few homeowners are tapping equity.
Mortgages
| Metric | Zip Code Average |
|---|---|
Total Loan Originations | 74 |
% Conventional Loans | 100.0% |
% Government Loans | 0.0% |
% Investor Loans | 0.0% |
% Second Loans | 0.0% |
% Cash Out Refinance | 8.0% |
Loan Activity
Rentals and Section 8 — Portola Valley, CA
Portola Valley, CA lacks sufficient Section 8 program data for analysis.
Section 8 Market Size
Total Units under HUD | N/A |
Total Units Section 8 | N/A |
% Rentals under Section 8 | N/A |
% Occupied Section 8 | N/A |
Section 8 Opportunity
| Home Size | HUD Premium | Market Rent | Max HUD Rent |
|---|---|---|---|
| 1 Bedroom | N/A | N/A | $3,050 |
| 2 Bedroom | N/A | N/A | $3,600 |
| 3 Bedroom | -$2,950 | $7,500 | $4,550 |
| 4 Bedroom | -$2,120 | $7,000 | $4,880 |
Affordability — Portola Valley, CA
Home Price to Income Ratio
| Metric | Zip Code Average |
|---|---|
| Home Price to Income Ratio | 14.7 |
| Median Home Price | $4,012,000 |
| Median Household Income | $250,000 |