Market Overview
Home Prices in Portola Valley, CA
The median home value in Portola Valley, CA is $4,294,598 as of mid-2026, according to Zillow's Home Value Index (ZHVI).That's up 9.8% compared to a year ago and up 4.5% from two years prior.
Compared to the U.S. national median of $410,000, homes in Portola Valley are priced947% above average. Portola Valley is part of the San Francisco-Oakland-Berkeley, CA metro area.
Over the past five years, Portola Valley home values have risen by approximately26.3%, reflecting strong long-term appreciation in this market.
Price History
Portola Valley Home Price Trend
City Comparison
Portola Valley vs. National Median
At $4,294,598, homes in Portola Valley cost 947% above the national median of $410,000. Buyers in Portola Valley should expect to pay a premium compared to most U.S. markets.
Affordability
What Does It Cost to Buy in Portola Valley?
20% Down Payment
$858,920
on $4,294,598
Monthly P&I
$22,398/mo
30-yr @ 6.8%
Total Monthly Est.
~$28,445/mo
incl. taxes & insurance
Income Needed
$1,137,800
gross annual (30% rule)
10% Down Option
$429,460
+ PMI applies
Loan Amount (20% dn)
$3,435,678
at current rates
Estimates assume a 30-year fixed mortgage at 6.8%. Monthly total includes estimated property taxes and homeowner's insurance. Actual costs vary.
FAQ
Frequently Asked Questions
What is the average home price in Portola Valley, CA?
The median home value in Portola Valley is $4,294,598 as of mid-2026, according to Zillow's Home Value Index (ZHVI). That's up 9.8% year-over-year.
How much have home prices changed in Portola Valley?
Over the past year, home values in Portola Valley have increased by 9.8%. Over five years, prices have risen approximately 26.3%.
How much do I need to earn to buy a home in Portola Valley?
To comfortably afford the median home price of $4,294,598 with a 20% down payment ($858,920) at today's rates (6.8%), you'd need a gross annual income of approximately $1,137,800. This assumes keeping total housing costs at or below 30% of gross income.
How does Portola Valley compare to the national average home price?
The national median home value is approximately $410,000. At $4,294,598, homes in Portola Valley are 947% above the national average.
What metro area is Portola Valley part of?
Portola Valley is part of the San Francisco-Oakland-Berkeley, CA metropolitan area. Home prices and market conditions can vary across the broader metro region.