Portola Valley, CA housing market
The typical Portola Valley home is worth about $4,259,000, up 11.4% in a year, 457% above the California typical home. Homes typically sell in 18 days, close to asking.
Home values, sales, trends and how Portola Valley compares with the towns next door — updated as new data is published.
Portola Valley at a glance
A strong seller's market
Homes are selling faster than new ones are listed: less than two months of supply. Well-priced homes can draw several offers.
Typical home value, 2016–2026
Show as a table
| January | Portola Valley | California |
|---|---|---|
| 2017 | $2,886,000 | $453,000 |
| 2018 | $2,932,000 | $501,000 |
| 2019 | $3,065,000 | $539,000 |
| 2020 | $3,009,000 | $551,000 |
| 2021 | $3,067,000 | $607,000 |
| 2022 | $3,651,000 | $703,000 |
| 2023 | $3,575,000 | $727,000 |
| 2024 | $3,535,000 | $758,000 |
| 2025 | $3,728,000 | $782,000 |
| 2026 | $4,074,000 | $767,000 |
| August 2026 | $4,259,000 | $764,000 |
Portola Valley and its neighbors
17 years of income
The typical Portola Valley home costs about 17 years of the town's median household income, more than across California (7.7 years).
How Portola Valley ranks on affordability →
Home value ÷ ACS median household income.
Owners, rent & taxes
U.S. Census Bureau, ACS 2020-2024.
Home values: Zillow Home Value Index (ZHVI), Zillow Research, August 2026. Sales, days on market and supply: Redfin Data Center, May 2026. Income, ownership, taxes and rent: U.S. Census Bureau, American Community Survey. Listings link to their publishers.