40 Sioux Way
Portola Valley, CA 94028
4 bd 5 ba 4,695 sqft Built 2021 Lot 73,181 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 | $4,883,678 | $4,711,977 | $9,595,655 | $109,620 |
| 2024 | $4,883,678 | $4,711,977 | $9,595,655 | $108,236 |
| 2023 | $4,694,040 | $4,529,006 | $9,223,046 | $106,491 |
| 2022 | $4,602,000 | $4,440,202 | $9,042,202 | $99,207 |
| 2021 | $2,738,000 | $4,353,140 | $7,091,140 | $78,413 |
| 2020 | $973,000 | $4,308,504 | $5,281,504 | $58,878 |
| 2019 | $327,726 | $4,224,024 | $4,551,750 | $47,630 |
| 2018 | $321,300 | $4,141,200 | $4,462,500 | $48,740 |
| 2017 | $315,000 | $4,060,000 | $4,375,000 | $48,168 |
| 2016 | $151,083 | $156,902 | $307,985 | $3,298 |
| 2015 | $148,814 | $154,546 | $303,360 | $3,274 |
| 2014 | $145,899 | $151,519 | $297,418 | $3,192 |
| 2013 | $145,240 | $150,835 | $296,075 | $3,182 |
| 2012 | $142,393 | $147,878 | $290,271 | $3,140 |
| 2011 | $139,601 | $144,979 | $284,580 | $3,083 |
| 2010 | $138,558 | $143,896 | $282,454 | $3,039 |
| 2009 | $138,888 | $144,238 | $283,126 | $3,007 |
| 2008 | $136,165 | $141,410 | $277,575 | $2,952 |
| 2007 | $133,496 | $138,638 | $272,134 | $2,874 |
Property facts
Year built
2021
Property type
single_family
Stories
1
Beds
4
Baths
5
Living area
4,695 sqft
Lot size
73,181 sqft
ZIP code
94028
City
Portola Valley
Street
Sioux Way
Coordinates
37.38543, -122.21381
Comparable properties nearby
Frequently asked questions
When did 40 Sioux Way last sell?
No public-record sale is on file for 40 Sioux Way.
What is the current tax assessment for 40 Sioux Way?
The most recent total assessment for 40 Sioux Way (year 2025) is $9,595,655 with $109,620 in property tax.
When was 40 Sioux Way built?
40 Sioux Way was built in 2021.
How does 40 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 40 Sioux Way?
40 Sioux Way is a 4 bed, 5 bath, 4,695 sqft, 73,181 sqft lot single_family.
Is 40 Sioux Way a flip candidate?
No — 40 Sioux Way does not appear in our flips dataset.
Is 40 Sioux Way a tax-appeal candidate?
No — 40 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