Sold for $16,350,000

$16,350,000

40 Sioux Way, Portola Valley, CA 94028

4beds

4,695sqft

SingleFamily

Built in 2021

1.68 Acres Lot

$14,685,700 Zestimate^®

$3,482/sqft

$-- Estimated rent

Home value

$14,685,700

$13.66M - $15.57M

Not available

Zestimate^® history

Owner options

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$108,831/mo

Est. payment

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$108,831/mo

Est. payment

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What's special

Build your dream home on this gentle sloping 1.68 acre lot in Central Portola Valley with views of Windy Hill.

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 3
Full bathrooms: 2
1/4 bathrooms: 1

Heating

Other

Cooling

Central

Features

Has fireplace: No

Interior area

Total interior livable area: 4,695 sqft

Property

Parking

Parking features: Garage - Attached

Features

Has view: Yes
View description: Mountain

Lot

Size: 1.68 Acres

Details

Parcel number: 077310040

Construction

Type & style

Home type: SingleFamily

Condition

Year built: 2021

Community & HOA

Location

Region: Portola Valley

Financial & listing details

Price per square foot: $3,482/sqft
Tax assessed value: $9,595,655
Annual tax amount: $109,620

Price history

Date	Event	Price
2/17/2026	Sold	$16,350,000+273.7%$3,482/sqft
Source: Public Record Report a problem
11/10/2016	Sold	$4,375,000$932/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$109,620 +1.3%	$9,595,655 +2%
2024	$108,237 +1.6%	$9,407,506 +2%
2023	$106,492 +7.3%	$9,223,046 +2%
2022	$99,208 +26.5%	$9,042,202 +27.5%
2021	$78,413 +33.2%	$7,091,140 +34.3%
2020	$58,878 +23.6%	$5,281,504 +16%
2019	$47,630 -2.3%	$4,551,750 +2%
2018	$48,741 +1.2%	$4,462,500 +2%
2017	$48,169 +1360.4%	$4,375,000 +1320.5%
2016	$3,298 +3.3%	$307,985 +1.5%
2015	$3,193	$303,360 +2%
2014	$3,193	$297,418 +0.5%
2013	--	$296,075 +2%
2012	--	$290,271
2011	--	$290,271 +2.8%
2010	--	$282,454 -0.2%
2009	--	$283,126 +2%
2008	--	$277,575 +2%
2007	--	$272,134 +2%
2006	--	$266,799
2005	--	$266,799 +4%
2004	--	$256,441 +1.9%
2003	--	$251,742 +2%
2002	--	$246,807 +2%
2001	--	$241,969 +2%
2000	--	$237,225