OFF MARKET

Off market nov 2013 for $3.8M

$7,571,267

Est. refi paymentEst. refi $17,979/mo

•

2,311

sq ft

250 ALAMOS Rd, Portola Valley, CA 94028

About this home

MUST SEE THIS UNIQUE & ONE OF A KIND CONTEMPORARY PORTOLA VALLEY VIEW ESTATE ON 3.88 PRISTINE ACRES * PHENOMENAL SILICON VALLEY & AND S. F. BAY & CITY LIGHT VIEWS * EXQUISITE SOLID GRANITE SLAB FLOORS * ONYX CEILINGS IN THE KITCHEN, DEN, & MASTER SUITE * EXCELLENT SENSE OF INDOOR & OUTDOOR LIVING W/ SURROUNDING VIEW DECK OVER THE POOL AREA W/ SLIDING OPEN DOORS * EXCELLENT OPPORTUNITY TO EXPAND THIS ESTATE!

Single-familyProperty Type

1952Year Built

3.88 acresLot Size

$3,276Est. Price/Sq.Ft.

2 car garageParking

Listed by Joe Piazza •DRE #01411341 • Compass

Contact: (408) 410-5020

Bought with Joe Piazza •DRE #01411341 • Compass

Redfin checked: a few seconds ago

•Source:MLSListings #ML81335188

Redfin Estimate

$7,571,267

$3.7M since sold in November 2013$449K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 24.4% higher than the average sale price ($6.09M) of 4 comparable homes.

SOLD JUL 27, 2026
$6,130,000
A
3 beds3.5 baths3,729 sq ft
578 Cresta Vista Ln, Portola Valley, CA 94028
SOLD JUL 16, 2026
$5,600,000
B
3 beds2 baths1,900 sq ft
365 Alamos Rd, Portola Valley, CA 94028
SOLD MAY 11, 2026
$4,625,000
C
3 beds3 baths3,005 sq ft
25 Cordova Ct, Portola Valley, CA 94028
SOLD MAR 6, 2026
$7,998,000
D
4 beds4 baths2,630 sq ft
600 Westridge Dr, Portola Valley, CA 94028

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Earn from this home

Sell

$4,997,775

Est. take-home

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Refinance

Est. cash available

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Rent

$4,329/mo

Redfin rental estimate

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Market trends in 94028, CA

Last updated October 2026

Buyer's Market

Seller's Market

Balanced market

Sale-to-list price

98.4%

0.6% MoM

Median sale price

$5.4M

$473K MoM

Avg. days on market

42d

0 days MoM

Recently sold homes

6 MoM

New listings for sale

EARLY ACCESS
$3,398,000
4 beds3 baths2,290 sq ft
220 Canyon Dr, Portola Valley, CA 94028
See all

Provided by Redfin

Sale history for 250 ALAMOS Rd

Date

Event

Price

MLSListings #ML81335188

Nov 25, 2013

Sold

$3,861,000

$1,671/sq ft

Oct 25, 2013

Pending

—

Oct 20, 2013

Relisted

—

Oct 8, 2013

Pending

—

Oct 7, 2013

Relisted

—

Oct 3, 2013

Pending

—

Sep 23, 2013

Listed

$3,798,000

$1,643/sq ft

MLSListings #ML81105375

May 23, 2011

Sold

$3,150,000

$1,363/sq ft

Apr 22, 2011

Pending

—

Apr 11, 2011

Pending

—

Mar 10, 2011

Price Changed

$3,295,000

$1,426/sq ft

Feb 7, 2011

Listed

$3,495,000

$1,512/sq ft

MLSListings #ML80397662

Nov 2, 2005

Sold

$2,000,000

$865/sq ft

Sep 7, 2005

Listing Removed

—

May 14, 2004

Listed

$2,350,000

$1,017/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$71,894 (+1.2%)

$3,719,877 + $2,901,462

$6,621,339

2024

$71,047 (+3.5%)

$3,646,939 + $2,844,571

$6,491,510

2023

$68,645 (+2.9%)

$3,575,431 + $2,788,796

$6,364,227

2022

$66,730 (+1.3%)

$3,505,325 + $2,734,114

$6,239,439

2021

$65,846 (−0.3%)

$3,436,594 + $2,680,504

$6,117,098

2020

$66,018 (+1.1%)

$3,369,210 + $2,627,946

$5,997,156

2019

$65,309 (+5.2%)

$3,334,663 + $2,601,000

$5,935,663

2018

$62,067 (+23.5%)

$3,269,278 + $2,550,000

$5,819,278

2017

$50,238 (+35.6%)

$3,142,329 + $1,430,000

$4,572,329

2016

$37,052 (−15.4%)

$3,142,329 + $1,430,000

$4,572,329

2015

$43,779 (+2.3%)

$3,080,715 + $272,400

$3,353,115

2014

$42,789 (+20.7%)

$2,975,000 + $886,000

$3,861,000

2012

$35,450 (+41.6%)

$2,340,900 + $936,360

$3,277,260

2011

$25,032 (+3.2%)

$2,295,000 + $918,000

$3,213,000

2010

$24,257 (+1.5%)

$2,106,661 + $146,666

$2,253,327

2009

$23,905 (+2.2%)

$2,090,917 + $106,467

$2,197,384

2008

$23,383

$2,095,885 + $91,530

$2,187,415

Tax history for 250 ALAMOS Rd

Year

Property tax

Land + Additions

Assessment*

2025

$71,894 (+1.2%)

$3,719,877 + $2,901,462

$6,621,339

2024

$71,047 (+3.5%)

$3,646,939 + $2,844,571

$6,491,510

2023

$68,645 (+2.9%)

$3,575,431 + $2,788,796

$6,364,227

2022

$66,730 (+1.3%)

$3,505,325 + $2,734,114

$6,239,439

2021

$65,846 (−0.3%)

$3,436,594 + $2,680,504

$6,117,098

2020

$66,018 (+1.1%)

$3,369,210 + $2,627,946

$5,997,156

2019

$65,309 (+5.2%)

$3,334,663 + $2,601,000

$5,935,663

2018

$62,067 (+23.5%)

$3,269,278 + $2,550,000

$5,819,278

2017

$50,238 (+35.6%)

$3,142,329 + $1,430,000

$4,572,329

2016

$37,052 (−15.4%)

$3,142,329 + $1,430,000

$4,572,329

2015

$43,779 (+2.3%)

$3,080,715 + $272,400

$3,353,115

2014

$42,789 (+20.7%)

$2,975,000 + $886,000

$3,861,000

2012

$35,450 (+41.6%)

$2,340,900 + $936,360

$3,277,260

2011

$25,032 (+3.2%)

$2,295,000 + $918,000

$3,213,000

2010

$24,257 (+1.5%)

$2,106,661 + $146,666

$2,253,327

2009

$23,905 (+2.2%)

$2,090,917 + $106,467

$2,197,384

2008

$23,383

$2,095,885 + $91,530

$2,187,415

*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

4.5

Stories

Lot width

—

Lot depth

—

Lot size

3.88 Acres

Year renovated

—

Sq. Ft.

4,667

Year built

2017

Style

Single Family Residential

County

San Mateo County

APN

077271140

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 2, 2026.

Property details

Parking

Parking Information
Garage (Minimum): 2
Garage (Maximum): 2
Parking Description: Attached Garage, Gate/Door Opener, Guest/Visitor Parking, Off-Street Parking, RV/Boat Parking
Garage Spaces: 2

Interior

Virtual Tour

Bedroom Information
# of Bedrooms (Minimum): 3
# of Bedrooms (Maximum): 3
Bedrooms: 2+ Primary Suites/Retreats

Bathroom Information
# of Baths (Full): 3
# of Baths (1/2): 1
# of Baths (Minimum): 4
# of Baths (Maximum): 4
Bathroom Description: Tubs, 2+ Stall Shower, Sunken Tub, Tub w/Jets, Dual Flush Toilet, Other (See Remarks)

Room Information
Den/Study/Office, Formal Entry, Wine Cellar/Storage, Storage
Dining Room Description: Dining Area in Living Room, Dining Area in Family Room, Breakfast Room, Breakfast Nook, Breakfast Bar, Eat in Kitchen
Kitchen Description: Pantry, Dishwasher, Cooktop, Garbage Disposal, Freezer, Microwave, 2+ Ovens, Oven (Self Cleaning), 2+ Refrigerators, Oven (Built-In), 220 Volt Outlet, Hookups (Gas)

Interior Features
Laundry: Hookup (Gas Dryer), 220 Volt Outlet
Flooring: Tile, Carpet (Wall-to-Wall), Wood, Marble

Fireplace Information
Fireplace Description: In Living Room, In Primary Bedroom, In Other Location, Wood-Burning, Gas Log, Gas Starter, Fireplace Available

Heating & Cooling Information
Cooling: Central Forced Air
Heating: Radiant, Forced Air, Gas

Exterior

Exterior Features
View: Bay, Garden/Greenbelt, Mountains, Canyon, Local/Neighborhood, Valley, City Lights, Golf Course
Roof: Metal
Yard/Grounds: Patio(s), Tennis Court(s) (Possible), Sprinkler(s) (Front), Sprinkler(s) (Rear), Sprinkler(s) (Auto), Barbecue Area, Deck

Building Information
Style: Contemporary
Subclass: Single Family Home
Building Type: Detached
Concrete Perimeter and Slab
Building Height (Minimum): 1
Building Height (Maximum): 1

Pool Information
Has Pool
Pool Description: In-Ground (Concrete), Black Bottom, Heated (Gas)

Property Features
Amenities: Double Pane Windows(s), High Ceiling, Wet Bar
Communication: Satellite Dish, Cable TV Available
Living Sq. Ft.: 2,311
Security Features: Security Alarm (Owned)

Property Information
Horse Property: Possible
Level (Street/Main): 2 or more Master Suites
Property Primary ID: 175009

Lot Information
Lot Description: Grade (Sloped Down)
Lot Size Area Minimum Units: Sq. Ft.
Lot Size Area Maximum Units: Sq. Ft.
Lot Size Source: Assessor
Zoning: R100

Utilities

Utility Information
Energy Features: Double Pane Windows, Skylight(s), Thermostat Controller, Ceiling Fan(s)
Sewer Septic: Septic Tank/Pump, Sewer Not Connected

Water Information
Water: Heater (Gas), Public

Location

Multi-Unit Information
# of Stories: 1

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

Location Information
Please see this Exquisite 3.88 Acre Portola Valley Estate w/ phenomenal views of the Silicon Valley & San Francisco Bay. Please take Interstate 280 to Alpine Rd towards Portola Valley, then turn right on Westridge Dr, then turn right onto Alamos Rd

Public facts

Beds: 4
Baths: 4.5
Sq. Ft.: 4,667
Stories: 1.0
Lot Size: 3.88 acres
Style: Single Family Residential
Year Built: 2017
Year Renovated: —
County: San Mateo County
APN: 077271140

Home facts updated by county records on Sep 2, 2026

Other

Miscellaneous Information
Incorporated: Yes

Around this home

Schools

K - 12
Preschool & daycare

Ormondale Elementary School

Public K-3 • Assigned • 1.6mi

10/10

Corte Madera School

Public 4-8 • Assigned • 2.1mi

10/10

Woodside High School

Public 9-12 • Assigned • 4.0mi

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, 12 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

$7.19M – $8.71M

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New listings for sale in 94028

EARLY ACCESSCOMPASS COMING SOON

$3,398,000

4 beds3 baths2,290 sq ft

220 Canyon Dr, Portola Valley, CA 94028

0.37 acre lot • Built 1955

Home values near 250 ALAMOS Rd

Data from public records.

Address	Redfin Estimate
331 Alamos Road, Portola Valley, CA 4 Beds \| 2.5 Baths \| 2860 Sq. Ft.	$4,803,518
340 Alamos Road, Portola Valley, CA 4 Beds \| 2.5 Baths \| 2290 Sq. Ft.	$5,122,738
225 Alamos Road, Portola Valley, CA 4 Beds \| 2.5 Baths \| 3600 Sq. Ft.	$5,897,813
231 Gabarda Way, Portola Valley, CA 4 Beds \| 4 Baths \| 2967 Sq. Ft.	$4,328,705
290 S Balsamina Way, Portola Valley, CA 3 Beds \| 3 Baths \| 2571 Sq. Ft.	$4,244,920
3350 Alpine Road, Portola Valley, CA 3 Beds \| 2 Baths \| 2080 Sq. Ft.	$5,067,330
3338 Alpine Road, Portola Valley, CA 3 Beds \| 2 Baths \| 2254 Sq. Ft.	$4,822,670

Address	Redfin Estimate
300 Alamos Road, Portola Valley, CA 3 Beds \| 3.5 Baths \| 2552 Sq. Ft.	$7,076,423
200 Alamos Road, Portola Valley, CA 5 Beds \| 8 Baths \| 11300 Sq. Ft.	$22,806,028
228 Alamos Drive, Portola Valley, CA 2 Beds \| 2 Baths \| 2240 Sq. Ft.	$3,784,734
280 Dedalera Drive, Portola Valley, CA 3 Beds \| 2 Baths \| 1740 Sq. Ft.	$3,475,867
281 S Castanya Way, Portola Valley, CA 4 Beds \| 3.5 Baths \| 3380 Sq. Ft.	$5,026,521
330 Dedalera Drive, Portola Valley, CA 4 Beds \| 3.5 Baths \| 3045 Sq. Ft.	$5,917,207
280 S Balsamina Way, Portola Valley, CA 4 Beds \| 3 Baths \| 2320 Sq. Ft.	$4,114,470

Address	Redfin Estimate
330 Alamos Road, Portola Valley, CA 5 Beds \| 3 Baths \| 1880 Sq. Ft.	$4,201,792
177 Alamos Road, Portola Valley, CA 1 Beds \| 2 Baths \| 2390 Sq. Ft.	$7,876,063
291 S Castanya Way, Portola Valley, CA 4 Beds \| 3 Baths \| 2419 Sq. Ft.	$4,437,087
295 S Balsamina Way, Portola Valley, CA 4 Beds \| 3 Baths \| 2725 Sq. Ft.	$4,334,977
290 S Castanya Way, Portola Valley, CA 3 Beds \| 2 Baths \| 1740 Sq. Ft.	$3,264,554
281 Dedalera Drive, Portola Valley, CA 4 Beds \| 3 Baths \| 2000 Sq. Ft.	$4,314,864
270 S Balsamina Way, Portola Valley, CA 3 Beds \| 2 Baths \| 1770 Sq. Ft.	$4,126,335

Property information provided by MLSListings when last listed in 2013. 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 250 ALAMOS Rd

Tax history for 250 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 250 ALAMOS Rd

More real estate resources