SIALIMStatistical Intelligence for America's Local Investment Markets

94028Portola Valley, CA Home Values

Typical home value $4,304,176 as of June 2026 · 2nd of 166 in San Francisco-Oakland-Berkeley, CA

Typical value — June 2026
$4,304,176
observed, not a forecast
Past 12 months
+9.9%
trailing year-over-year change
Past 5 years
+24.9%
June 2021 to June 2026
Rank in metro
2nd
of 166 ZIP codes, by value

Blue: typical home value (Zillow ZHVI) in ZIP code 94028, June 2021 to June 2026. This page shows observed data only; no forecast.

How 94028 compares in the San Francisco-Oakland-Berkeley, CA area

ZIP code 94028 (Portola Valley, CA) has a typical home value of $4,304,176 as of June 2026, ranking 2nd of 166 ZIP codes tracked in the San Francisco-Oakland-Berkeley, CA area, more expensive than about 99% of ZIP codes in the metro. Prices here have moved +9.9% over the trailing 12 months. Over the past five years, the typical value in this ZIP code has changed +24.9%, from $3,444,947 in June 2021 to $4,304,176 in June 2026.

Every figure above is observed Zillow data. Sialim's forecasting engine works at the metro level; see the San Francisco-Oakland-Berkeley, CA forecast for a modeled outlook, or browse the full ranked list of ZIP codes in San Francisco.

Population and demographics

ZIP code 94028 has a population of 6,645, per the Census Bureau's American Community Survey 5-year estimate. By race and ethnicity: 75.1% White, 13.4% Hispanic or Latino, 6.7% Asian, 4% two or more races, 0.6% another race, 0.1% Black or African American, and 0.1% American Indian or Alaska Native.

Nearby public schools

SchoolAddressDistance
Corte Madera4575 Alpine Rd., Portola Valley, CA0.5 mi
Ormondale Elementary200 Shawnee Pass, Portola Valley, CA0.5 mi
La Entrada Middle2200 Sharon Rd., Menlo Park, CA3.7 mi

Distance is straight-line from the ZIP code's center; driving distance will be longer. School attendance is set by district boundaries, not proximity. Confirm which school a specific address is zoned for with the local school district. Source: National Center for Education Statistics.

Frequently asked questions

What is the typical home value in ZIP code 94028?

$4,304,176 as of June 2026, the latest month Zillow has published observed data for.

Is 94028 an expensive ZIP code in the San Francisco-Oakland-Berkeley, CA area?

94028 ranks 2nd of 166 ZIP codes in the San Francisco-Oakland-Berkeley, CA area by typical home value, more expensive than about 99% of ZIP codes in the metro.

How much have home values in 94028 changed over the past year?

+9.9% over the trailing 12 months, from observed Zillow data.

What is the population of ZIP code 94028?

6,645, per the US Census Bureau's American Community Survey 5-year estimate.

What are the closest public schools to ZIP code 94028?

Corte Madera (0.5 mi), Ormondale Elementary (0.5 mi), La Entrada Middle (3.7 mi), by straight-line distance from the ZIP code's center. School attendance is set by district boundaries, not proximity. Confirm assignment with the local school district.

Is this page showing a forecast for 94028?

No. Every number on this page is observed Zillow data as of June 2026, not a forecast. Sialim's forecasting engine runs at the metro level; see the San Francisco-Oakland-Berkeley, CA forecast for a modeled outlook.

ZIP-level values shown here are observed Zillow data, not forecasts. Sialim's forecasting engine works at the metro level today; ZIP-level forecasts are planned for Sialim Pro. Data © Zillow, via Zillow Research.