OFF MARKET

Off Market Dec 2017 for $11M

$15,390,068

Est. refi paymentEst. refi $47,421/mo

•

8,333

sq ft

150 Alamos Rd, Portola Valley, CA 94028

About this home

Premier address in the Westridge area of Portola Valley on approximately 2.5 acres. Sweeping views across Felt Lake, Silicon Valley, and out to the East Bay Hills. Estate property built in 2008 and recently remodeled. Photovoltaic solar energy---40 SunPower panels generating up to 7.8kW. Geothermal heating and cooling and hot water systems. . 4-bedrooms, nursery/office, playroom, recreation room. Separate office. . Solar heated and gas heated pool and spa. Crestron home automation system for lights, whole house sound system and distributed audio. . Cat-5 wiring and 3-Phase power. Breezaire Wine cellar (800 +/- bottle capacity) Cabana with fireplace, full bath, and outdoor kitchen. Gated, landscaped grounds, bocce court, lavender/citrus garden, vegetable gardens and greenhouse with potting area. Attached 3-car garage. Portola Valley schools.

Single-familyProperty Type

2008Year Built

2.51 acresLot Size

$1,847Est. Price/Sq.Ft.

3 car garageParking

Listed by Mary Mary & Brent Gullixson •DRE #70001879 • Alain Pinel Realtors

Contact: 650-888-0860

Bought with Hugh Cornish •DRE #00912143 • Coldwell Banker Realty

Redfin checked: a minute ago

•Source:MLSListings #ML81615042

Redfin Estimate

$15,390,068

$4.1M since sold in December 2017$45K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 83% higher than the average sale price ($8.41M) of 5 comparable homes.

SOLD JUL 30, 2026
$10,850,000
A
4 beds6.5 baths6,593 sq ft
3510 Alpine Rd, Portola Valley, CA 94028
SOLD MAY 18, 2026
$5,300,000
B
4 beds3.5 baths5,412 sq ft
27994 Via Ventana Way, Los Altos Hills, CA 94022
SOLD FEB 5, 2026
$7,998,000
C
4 beds3.5 baths4,520 sq ft
65 Cheyenne Pt, Portola Valley, CA 94028
SOLD JUN 3, 2026
$8,400,000
D
5 beds4 baths5,200 sq ft
120 Deer Meadow Ln, Portola Valley, CA 94028
SOLD MAY 13, 2026
$9,495,000
E
3 beds3.5 baths4,885 sq ft
56 Hillbrook Dr, Portola Valley, CA 94028

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Earn from this home

Sell

$7,217,089

Est. take-home

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Refinance

Est. cash available

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Rent

$4,741/mo

Redfin rental estimate

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Market trends in 94028, CA

Last updated August 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-List Price

99.2%

0.2% MoM

Median sale price

$5.0M

$748K MoM

Avg. days on market

42d

2 days MoM

Recently sold homes

1 MoM

New listings for sale

OPEN SAT, 2PM TO 4PM
$4,150,000
5 beds2.5 baths2,660 sq ft
30 Minoca Rd, Portola Valley, CA 94028
OPEN SUN, 2PM TO 4PM
$3,795,000
4 beds3 baths2,290 sq ft
220 Canyon Dr, Portola Valley, CA 94028
OPEN SUN, 1:30PM TO 4:30PM
$7,995,000
5 beds5.5 baths3,690 sq ft
160 Fawn Ln, Portola Valley, CA 94028
OPEN SAT, 2PM TO 4PM
$6,250,000
5 beds4.5 baths4,100 sq ft
2 Buck Meadow Dr, Portola Valley, CA 94028
EARLY ACCESS
$7,995,000
5 beds4 baths3,425 sq ft
1080 Westridge Dr, Portola Valley, CA 94028
3D WALKTHROUGH
$3,998,000
3 beds4 baths6,155 sq ft
55 Vista Verde Way, Portola Valley, CA 94028
OPEN SAT, 2PM TO 4PM
$3,498,000
3 beds2 baths2,420 sq ft
45 Bear Paw, Portola Valley, CA 94028
See all

Provided by Redfin

Sale history for 150 Alamos Rd

Date

Event

Price

MLSListings #ML81615042

Dec 29, 2017

Sold

$11,250,000

$1,350/sq ft

Nov 26, 2017

Pending

—

Nov 14, 2017

Contingent

—

Sep 21, 2017

Relisted

—

Sep 19, 2017

Listing Removed

—

Apr 16, 2017

Price Changed

$13,980,000

$1,678/sq ft

Sep 19, 2016

Listed

$14,980,000

$1,798/sq ft

Public Records

Jan 28, 2014

Sold

$12,750,000

$1,530/sq ft

Public Records

May 15, 2002

Sold

$3,650,000

$438/sq ft

MLSListings #ML80203844

May 15, 2002

Listing Removed

—

May 6, 2002

Sold

$3,650,000

$438/sq ft

Jan 28, 2002

Listed

$4,100,000

$492/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$139,518 (+10.3%)

$8,248,000 + $2,999,000

$11,247,000

2024

$126,486 (+16.7%)

$9,387,090 + $3,413,486

$12,800,576

2023

$108,392 (−14.1%)

$9,203,030 + $3,346,555

$12,549,585

2022

$126,190 (+13.2%)

$7,185,000 + $2,615,000

$9,800,000

2021

$111,472 (−8.7%)

$8,444,000 + $3,070,000

$11,514,000

2020

$122,130 (−4.8%)

$7,407,000 + $2,693,000

$10,100,000

2019

$128,341 (+5.2%)

$8,085,010 + $2,929,990

$11,015,000

2018

$121,944 (−17.2%)

$8,415,000 + $3,060,000

$11,475,000

2017

$147,355 (+2.0%)

$6,733,563 + $6,766,203

$13,499,766

2016

$144,434 (+0.7%)

$6,733,563 + $6,766,203

$13,499,766

2015

$143,444 (+89.3%)

$6,601,533 + $6,601,533

$13,203,066

2014

$75,781 (+11.4%)

$3,735,861 + $3,151,491

$6,887,352

2012

$68,002 (−0.3%)

$3,363,000 + $2,837,000

$6,200,000

2011

$68,190 (−4.5%)

$3,363,000 + $2,837,000

$6,200,000

2010

$71,419 (+0.2%)

$3,350,000 + $2,850,000

$6,200,000

2009

$71,261 (+0.9%)

$3,547,850 + $2,992,890

$6,540,740

2008

$70,649

$3,556,279 + $3,000,000

$6,556,279

Tax history for 150 Alamos Rd

Year

Property tax

Land + Additions

Assessment*

2025

$139,518 (+10.3%)

$8,248,000 + $2,999,000

$11,247,000

2024

$126,486 (+16.7%)

$9,387,090 + $3,413,486

$12,800,576

2023

$108,392 (−14.1%)

$9,203,030 + $3,346,555

$12,549,585

2022

$126,190 (+13.2%)

$7,185,000 + $2,615,000

$9,800,000

2021

$111,472 (−8.7%)

$8,444,000 + $3,070,000

$11,514,000

2020

$122,130 (−4.8%)

$7,407,000 + $2,693,000

$10,100,000

2019

$128,341 (+5.2%)

$8,085,010 + $2,929,990

$11,015,000

2018

$121,944 (−17.2%)

$8,415,000 + $3,060,000

$11,475,000

2017

$147,355 (+2.0%)

$6,733,563 + $6,766,203

$13,499,766

2016

$144,434 (+0.7%)

$6,733,563 + $6,766,203

$13,499,766

2015

$143,444 (+89.3%)

$6,601,533 + $6,601,533

$13,203,066

2014

$75,781 (+11.4%)

$3,735,861 + $3,151,491

$6,887,352

2012

$68,002 (−0.3%)

$3,363,000 + $2,837,000

$6,200,000

2011

$68,190 (−4.5%)

$3,363,000 + $2,837,000

$6,200,000

2010

$71,419 (+0.2%)

$3,350,000 + $2,850,000

$6,200,000

2009

$71,261 (+0.9%)

$3,547,850 + $2,992,890

$6,540,740

2008

$70,649

$3,556,279 + $3,000,000

$6,556,279

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Beds

Baths

3.5

Stories

Lot width

—

Lot depth

—

Lot size

2.51 Acres

Year renovated

2008

Sq. Ft.

7,200

Year built

2008

Style

Single Family Residential

County

San Mateo County

APN

077271110

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 2, 2026.

Property details

Parking

Parking Information
Garage (Minimum): 3
Garage (Maximum): 3
Parking Description: Attached Garage, Gate/Door Opener, Off-Street Parking, Parking Area
Garage Spaces: 3

Interior

Virtual Tour

Bedroom Information
# of Bedrooms (Minimum): 4
# of Bedrooms (Maximum): 4

Bathroom Information
# of Baths (Full): 3
# of Baths (1/2): 1
Bathroom Description: Double Sinks, Jack & Jill, Stall Shower, Tub, Tub w/Jets

Room Information
Basement (Finished), Den/Study/Office, Laundry Room, Media/Home Theatre, Mud Room, Storage, Wine Cellar/Storage
Family Room Description: Kitchen/Family Room Combo
Dining Room Description: Eat in Kitchen, Formal Dining Room
Kitchen Description: Countertop (Stone), Dishwasher, Freezer, Garbage Disposal, Hood Over Range, Ice Maker, Island with Sink, Microwave, Oven Range (Gas), Pantry, Refrigerator(s), Warming Drawer, Wine Refrigerator

Interior Features
Laundry: Tub/Sink, Washer/Dryer
Flooring: Carpet, Hardwood, Tile

Fireplace Information
Has Fireplace
Fireplace Description: Gas-Burning, Gas Starter
Fireplaces (Minimum): 3

Heating & Cooling Information
Cooling: Other (See Remarks)
Heating: Heating (2+ Zones), Radiant

Exterior

Exterior Features
View: Hills, Lake, Mountains
Roof: Metal

Building Information
Style: Contemporary
Subclass: Single Family Home
Building Type: Detached
Concrete Perimeter and Slab

Pool Information
Has Pool
Pool Description: Black Bottom, Cabana/Dressing Room, In-Ground, Pool/Spa Combo

Property Features
Amenities: High Ceiling, Skylight(s), Walk-In Closet, Wet Bar
Living Sq. Ft.: 8,333
Security Features: Secured Garage/Parking, Security Alarm

Property Information
Horse Property: Possible
Property Primary ID: 296463

Lot Information
Lot Acres: 2.51
Lot Description: Grade (Sloped Down), Views
Lot Size Area Minimum Units: Sq. Ft.
Lot Size Area Maximum Units: Sq. Ft.
Lot Size Source: Other (See Remarks)
Zoning: R1002A

Financial

Tax/Assessment Information
City Transfer Tax: No

Utilities

Utility Information
Sewer Septic: Septic Connected
Utilities: Public Utilities

Water Information
Water: Public

Location

Multi-Unit Information
# of Stories: 3

School Information
Elementary School: Ormondale Elementary
Elementary School District: Portola Valley Elementary
Middle School: Corte Madera Elementary
High School District: Sequoia Union High

Public facts

Beds: 4
Baths: 3.5
Sq. Ft.: 7,200
Stories: 2.0
Lot Size: 2.51 acres
Style: Single Family Residential
Year Built: 2008
Year Renovated: 2008
County: San Mateo County
APN: 077271110

Home facts updated by county records on Sep 2, 2026

Around this home

Schools

Ormondale Elementary School

Public K-3 • Assigned • 1.5mi

10/10

Corte Madera School

Public 4-8 • Assigned • 1.9mi

10/10

Woodside High School

Public 9-12 • Assigned • 4.2mi

8/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

3/10 Fire Factor

0.31% chance of being in a wildfire in next 30 years

3/10 Heat Factor

6 days above 94° expected this year, 11 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

7/10 Air Factor

12 unhealthy days expected this year, 12 days in 30 years

Provided by First Street

Historical weather

Portola Valley, CA • 94028

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 10.7 hours in June and 5 hours in December, placing it above the U.S. average for solar exposure.

10.7 hrs

5 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$14.62M – $17.70M

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Home values near 150 Alamos Rd

Data from public records.

Address	Redfin Estimate
331 Alamos Rd, Portola Valley, CA 4 Beds \| 2.5 Baths \| 2860 Sq. Ft.	$4,817,934
300 Alamos Rd, Portola Valley, CA 3 Beds \| 3.5 Baths \| 2552 Sq. Ft.	$6,772,021

Address	Redfin Estimate
100 Alamos Rd, Portola Valley, CA 4 Beds \| 3.5 Baths \| 4200 Sq. Ft.	$5,798,415
340 Alamos Rd, Portola Valley, CA 4 Beds \| 2.5 Baths \| 2290 Sq. Ft.	$5,107,812

Address	Redfin Estimate
170 Alamos Rd, Portola Valley, CA 5 Beds \| 3.5 Baths \| 4495 Sq. Ft.	$7,559,111
200 Alamos Rd, Portola Valley, CA 5 Beds \| 8 Baths \| 11300 Sq. Ft.	$23,370,649

Property information provided by MLSListings when last listed in 2016. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 94028, CA

Sale history for 150 Alamos Rd

Tax history for 150 Alamos Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94028

Home values near 150 Alamos Rd

More real estate resources