20 Sioux Way
Portola Valley, CA 94028
5 bd 3 ba 4,750 sqft Built 1964 Lot 49,658 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $1,746,263 | $1,907,535 | $3,653,798 | $42,637 |
| 2024 | $1,746,263 | $1,907,535 | $3,653,798 | $42,082 |
| 2023 | $1,678,454 | $1,833,464 | $3,511,918 | $41,392 |
| 2022 | $1,787,003 | $1,797,514 | $3,584,517 | $39,631 |
| 2021 | $1,751,964 | $1,762,269 | $3,514,233 | $39,113 |
| 2020 | $1,734,000 | $1,744,200 | $3,478,200 | $38,984 |
| 2019 | $1,700,000 | $1,710,000 | $3,410,000 | $38,569 |
| 2018 | $842,005 | $842,005 | $1,684,010 | $18,774 |
| 2017 | $825,496 | $825,496 | $1,650,992 | $18,558 |
| 2016 | $809,310 | $809,310 | $1,618,620 | $18,233 |
| 2015 | $797,154 | $797,154 | $1,594,308 | $18,112 |
| 2014 | $781,539 | $781,539 | $1,563,078 | $17,679 |
| 2013 | $778,007 | $778,007 | $1,556,014 | $17,403 |
| 2012 | $762,752 | $762,752 | $1,525,504 | $17,059 |
| 2011 | $747,797 | $747,797 | $1,495,594 | $16,760 |
| 2010 | $742,209 | $742,209 | $1,484,418 | $16,527 |
| 2009 | $743,973 | $743,973 | $1,487,946 | $16,335 |
| 2008 | $729,386 | $729,386 | $1,458,772 | $16,051 |
| 2007 | $715,085 | $715,085 | $1,430,170 | $15,637 |
Property facts
Year built
1964
Property type
single_family
Stories
1
Beds
5
Baths
3
Living area
4,750 sqft
Lot size
49,658 sqft
ZIP code
94028
City
Portola Valley
Street
Sioux Way
Coordinates
37.38504, -122.21353
Comparable properties nearby
Frequently asked questions
When did 20 Sioux Way last sell?
No public-record sale is on file for 20 Sioux Way.
What is the current tax assessment for 20 Sioux Way?
The most recent total assessment for 20 Sioux Way (year 2025) is $3,653,798 with $42,637 in property tax.
When was 20 Sioux Way built?
20 Sioux Way was built in 1964.
How does 20 Sioux Way compare to others on Sioux Way?
We track 2 other properties on Sioux Way. Browse the list under "Other properties on Sioux Way" to compare beds, baths, and sale history.
What are the property facts for 20 Sioux Way?
20 Sioux Way is a 5 bed, 3 bath, 4,750 sqft, 49,658 sqft lot single_family.
Is 20 Sioux Way a flip candidate?
No — 20 Sioux Way does not appear in our flips dataset.
Is 20 Sioux Way a tax-appeal candidate?
No — 20 Sioux Way is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
-1.6%
Implied 1-yr
-6.2%
2026 Q2
$4.26M
2026 Q3
$4.19M
ZIP 94028 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Sioux Way