Pending

$15,500,000

5660 Alpine Rd, Portola Valley, CA 94028

6beds

14,500sqft

$105,304/mo

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Single Family Residence, Residential

Built in 2006

41.72 Acres Lot

$-- Zestimate^®

$1,069/sqft

$-- HOA

What's special

Wine cellarCommercial-quality appliancesFront terraceCulinary retreat

Completed in 2006, this magnificent vineyard estate is the perfect place to escape from the fast daily pace of Silicon Valley. The approximately 41 acres are as peaceful as they are beautiful, with spectacular top-of-the-world San Francisco Bay views. Arriving on the front terrace is as if stepping into the Italian countryside. The scale of the home is destined for grand entertaining spilling out to exceptional front and rear terraces. The kitchen is a culinary retreat with commercial-quality appliances, and the wine cellar awaits a sizable collection. Multiple rooms for everyday living, a theatre, plus a well-being center with spa, steam, and sauna add luxurious touches. Both 5660 Alpine Road and APN 080-040-120 are being offered for sale together.

1197 days

288

6

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 6
Bathrooms: 11
Full bathrooms: 9
1/2 bathrooms: 2

Dining room

Features: DiningArea, FormalDiningRoom

Family room

Features: SeparateFamilyRoom

Heating

Central Forced Air

Cooling

Central Air

Features

Has fireplace: Yes
Fireplace features: Living Room, Other Location

Interior area

Total structure area: 14,500
Total interior livable area: 14,500 sqft

Property

Parking

Total spaces: 4
Parking features: Attached, Detached
Attached garage spaces: 4

Lot

Size: 41.72 Acres

Details

Parcel number: 080040110
Zoning: OR0000
Special conditions: Standard

Construction

Type & style

Home type: SingleFamily
Property subtype: Single Family Residence, Residential

Materials

Foundation: Concrete Perimeter and Slab
Roof: Tile

Condition

New construction: No
Year built: 2006

Utilities & green energy

Gas: Generator, PropaneOnSite
Water: Spring
Utilities for property: Propane

Community & HOA

Location

Region: Portola Valley

Financial & listing details

Price per square foot: $1,069/sqft
Tax assessed value: $21,826,264
Annual tax amount: $237,537
Date on market: 8/17/2020
Listing agreement: ExclusiveRightToSell

Estimated market value

Not available

Estimated sales range

Not available

$5,646/mo

Price history

Date	Event	Price
7/31/2026	Pending sale	$15,500,000$1,069/sqft
Source: MLSListings Inc #ML81803721 Report a problem
7/4/2026	Contingent	$15,500,000$1,069/sqft
Source: MLSListings Inc #ML81803721 Report a problem
10/11/2024	Price change	$15,500,000-18.4%$1,069/sqft
Source: MLSListings Inc #ML81803731 Report a problem
7/19/2022	Price change	$19,000,000-13.6%$1,310/sqft
Source: MLSListings Inc #ML81803731 Report a problem
8/17/2020	Listed for sale	$22,000,000$1,517/sqft
Source: Coldwell Banker Realty #ML81803731 Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$237,537 +1.1%	$21,826,264 +2%
2024	$234,922 +1.5%	$21,398,300 +2%
2023	$231,458 +2.9%	$20,978,726 +2%
2022	$225,017 +1.3%	$20,567,380 +2%
2021	$222,046 +0.6%	$20,164,100 +1%
2020	$220,782 +1.1%	$19,957,344 +2%
2019	$218,402 +5.3%	$19,566,024 +2%
2018	$207,495 +1.2%	$19,182,380 +2%
2017	$205,036 +1.8%	$18,806,256 +2%
2016	$201,459 +3.2%	$18,437,508 +1.5%
2015	$195,153	$18,160,560 +2%
2014	$195,153	$17,804,820 +0.5%
2013	--	$17,724,356 +2%
2012	--	$17,376,820
2011	--	$17,376,820 +2.8%
2010	--	$16,908,778 -0.2%
2009	--	$16,948,948 +2%
2008	--	$16,616,618 +2%
2007	--	$16,290,804 +2%
2006	--	$15,971,378
2005	--	$15,971,378 +4%
2004	--	$15,351,193 +2853.1%
2003	--	$519,840 -34.5%
2002	--	$793,471 +53.4%
2001	--	$517,129 +17.3%
2000	--	$440,813

Find assessor info on the county website

Monthly payment

Est. payment

Payment breakdown

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Principal & interest
$1,547
Mortgage insurance
$0
Property taxes
$170
Home insurance
$105
HOA fees
$0
Utilities
Not included

All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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Climate risks

Neighborhood: 94028

Getting around

0 / 100

Car-Dependent

5 / 100

Somewhat Bikeable

Nearby schools

GreatSchools rating

10/10
Corte Madera School
Grades: 4-8Distance: 1.3 mi
8/10
Woodside High School
Grades: 9-12Distance: 6.7 mi
10/10
Ormondale Elementary School
Grades: K-3Distance: 2.2 mi

Schools provided by the listing agent

District: PortolaValleyElementary

Source: MLSListings Inc. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.