OFF MARKET

Off Market Jan 2014 for $6M

$10,068,644

Est. refi paymentEst. refi $2,918/mo

•

12,000

sq ft

5070 ALPINE Rd, Portola Valley, CA 94028

About this home

Single-familyProperty Type

1991Year Built

8.57 acresLot Size

$839Est. Price/Sq.Ft.

Listed by Matt Zampella •DRE #01815607 • Christie's International Real Estate Sereno

Contact: (650) 223-9343

Bought with Matt Zampella •DRE #01815607 • Christie's International Real Estate Sereno

Redfin checked: 2 minutes ago

•Source:MLSListings #ML81401643

Redfin Estimate

$10,068,644

$4.0M since sold in January 2014$193K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 4.6% lower than the average sale price ($10.56M) of 5 comparable homes.

SOLD AUG 4, 2026
$20,500,000
A
5 beds9 baths8,715 sq ft
479 Westridge Dr, Portola Valley, CA 94028
SOLD JUN 3, 2026
$8,400,000
B
5 beds4 baths5,200 sq ft
120 Deer Meadow Ln, Portola Valley, CA 94028
SOLD JUL 30, 2026
$10,850,000
C
4 beds6.5 baths6,593 sq ft
3510 Alpine Rd, Portola Valley, CA 94028
SOLD JUN 17, 2026
$3,945,000
D
6 beds3.5 baths5,390 sq ft
90 Hayfields Rd, Portola Valley, CA 94028
SOLD JUN 1, 2026
$9,088,888
E
6 beds7.5 baths8,270 sq ft
28500 Matadero Creek Ln, Los Altos Hills, CA 94022

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Earn from this home

Sell

$6,091,040

Est. take-home

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Est. cash available

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Rent

$4,656/mo

Redfin rental estimate

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Market trends in 94028, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

98.4%

2.3% MoM

Median sale price

$3.9M

$144K MoM

Avg. days on market

34d

18 days MoM

Recently sold homes

1 MoM

New listings for sale

OPEN SAT, 1:30PM TO 4:30PM
$6,988,000
5 beds4.5 baths5,282 sq ft
40 Hillbrook Dr, Portola Valley, CA 94028
$2,800,000
4 beds3 baths2,040 sq ft
100 TAN OAK Dr, Portola Valley, CA 94028
3D WALKTHROUGH
$7,495,000
4 beds3 baths4,372 sq ft
15 Naranja Way, Portola Valley, CA 94028
See all

Provided by Redfin

Sale history for 5070 ALPINE Rd

Date

Event

Price

MLSListings #ML81401643

Jan 17, 2014

Listed

$6,488,000

$541/sq ft

Jan 17, 2014

Sold

$6,037,500

$503/sq ft

MLSListings #ML89813178

Nov 25, 1998

Listing Removed

—

Jul 7, 1998

Sold

$4,000,000

$333/sq ft

Apr 9, 1998

Listed

$4,250,000

$354/sq ft

Public Records

Jan 17, 1991

Sold

$1,100,000

$92/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$84,094 (+1.1%)

$4,903,448 + $2,793,638

$7,697,086

2024

$83,172 (+1.5%)

$4,903,448 + $2,793,638

$7,697,086

2023

$81,950 (+2.9%)

$4,807,302 + $2,738,862

$7,546,164

2022

$79,678 (+1.3%)

$4,713,042 + $2,685,159

$7,398,201

2021

$78,631 (+0.5%)

$4,620,630 + $2,632,510

$7,253,140

2020

$78,256 (+1.1%)

$4,530,030 + $2,580,893

$7,110,923

2019

$77,417 (+5.2%)

$4,483,581 + $2,554,430

$7,038,011

2018

$73,570 (+1.2%)

$4,395,668 + $2,504,344

$6,900,012

2017

$72,703 (+5.4%)

$4,224,980 + $2,407,099

$6,632,079

2016

$68,982 (+1.1%)

$4,224,980 + $2,407,099

$6,632,079

2015

$68,241 (+2.5%)

$4,142,138 + $2,134,901

$6,277,039

2014

$66,571 (−13.3%)

$4,000,000 + $2,037,500

$6,037,500

2012

$76,797 (−14.7%)

$4,650,000 + $1,200,000

$5,850,000

2011

$90,044 (+1.4%)

$5,500,000 + $1,500,000

$7,000,000

2010

$88,764 (+0.2%)

$6,212,984 + $1,988,975

$8,201,959

2009

$88,616 (+1.8%)

$6,166,550 + $1,974,110

$8,140,660

2008

$87,061

$6,181,200 + $1,978,800

$8,160,000

Tax history for 5070 ALPINE Rd

Year

Property tax

Land + Additions

Assessment*

2025

$84,094 (+1.1%)

$4,903,448 + $2,793,638

$7,697,086

2024

$83,172 (+1.5%)

$4,903,448 + $2,793,638

$7,697,086

2023

$81,950 (+2.9%)

$4,807,302 + $2,738,862

$7,546,164

2022

$79,678 (+1.3%)

$4,713,042 + $2,685,159

$7,398,201

2021

$78,631 (+0.5%)

$4,620,630 + $2,632,510

$7,253,140

2020

$78,256 (+1.1%)

$4,530,030 + $2,580,893

$7,110,923

2019

$77,417 (+5.2%)

$4,483,581 + $2,554,430

$7,038,011

2018

$73,570 (+1.2%)

$4,395,668 + $2,504,344

$6,900,012

2017

$72,703 (+5.4%)

$4,224,980 + $2,407,099

$6,632,079

2016

$68,982 (+1.1%)

$4,224,980 + $2,407,099

$6,632,079

2015

$68,241 (+2.5%)

$4,142,138 + $2,134,901

$6,277,039

2014

$66,571 (−13.3%)

$4,000,000 + $2,037,500

$6,037,500

2012

$76,797 (−14.7%)

$4,650,000 + $1,200,000

$5,850,000

2011

$90,044 (+1.4%)

$5,500,000 + $1,500,000

$7,000,000

2010

$88,764 (+0.2%)

$6,212,984 + $1,988,975

$8,201,959

2009

$88,616 (+1.8%)

$6,166,550 + $1,974,110

$8,140,660

2008

$87,061

$6,181,200 + $1,978,800

$8,160,000

*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

Stories

Lot width

—

Lot depth

—

Lot size

8.58 Acres

Year renovated

—

Sq. Ft.

7,550

Year built

1992

Style

Single Family Residential

County

San Mateo County

APN

076350220

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 15, 2026.

Property details

Parking

Parking Information
Garage (Minimum): 3
Parking Description: Detached, Gate/Door Opener, Guest/Visitor Parking, Off-Street Parking, RV/Boat Parking
Stalls (Minimum): 1
Stalls (Maximum): 4

Interior

Virtual Tour

Bedroom Information
# of Bedrooms (Minimum): 5
# of Bedrooms (Maximum): 5
Bedrooms: 2+ Primary Suites/Retreats, Ground Floor Bedroom

Bathroom Information
# of Baths (Full): 7
# of Baths (1/2): 1
# of Baths (Minimum): 8
# of Baths (Maximum): 8
Bathroom Description: 2+ Showers Over Tubs, 2+ Tubs, 2+ Stall Shower, Tub in Master Bedroom

Room Information
Bonus/Hobby Room, Utility Room, Workshop, Den/Study/Office, Library, Rec/Rumpus Room, Formal Entry, Basement (Full), Guest House, Guest Quarters, Atrium, Separate Unit/Apartment, Attic, Wine Cellar/Storage, Storage
Family Room Description: Kitchen/Family Room Combo
Dining Room Description: Formal Dining Room, Breakfast Bar
Kitchen Description: Pantry, Dishwasher, Cooktop, Garbage Disposal, Refrigerator(s), Oven (Built-In), 220 Volt Outlet, Hookups (Gas)
Guest House

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

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

Heating & Cooling Information
Heating: Heating (2+ Zones), Gas (Propane), Forced Air

Exterior

Exterior Features
View: Bay, Garden/Greenbelt, Mountains, Local/Neighborhood, Valley, City Lights
Roof: Slate
Yard/Grounds: Gazebo, Tennis Court(s) (Possible), Sprinkler(s) (Front), Sprinkler(s) (Rear), Sprinkler(s) (Auto), Drought Tolerant Plants, Gray Water System, Deck, Fenced

Building Information
Builder Architect: CUSTOM
Style: Traditional, Cottage/Bungalow, Country English, Georgian
Subclass: Single Family Home
Building Type: Detached
Exterior: Stone
Concrete Perimeter and Slab
Building Height (Minimum): 3
Building Height (Maximum): 3

Pool Information
Pool Description: Possible Site

Property Features
Amenities: Double Pane Windows(s), High Ceiling, Vaulted Ceiling, Bay Window, Vacuum (Central)
Communication: Cable TV Available
Living Sq. Ft.: 12,000
Security Features: Security Alarm (Owned), Fire Alarm, Security Fence

Property Information
Horse Property: Yes
Horse Property Description: Government Land Access
Level (Street/Main): 2 or more Master Suites, Bedroom(s)
Property Primary ID: 172373

Lot Information
Lot Size Area Minimum Units: Acres
Lot Size Area Maximum Units: Acres
Lot Size Source: Paid Vendor
Zoning: OR000

Utilities

Utility Information
Energy Features: Walls Insulated, Weather Stripped Door(s), Double Pane Windows, Skylight(s), Thermostat Controller, Ceiling Fan(s)
Sewer Septic: Septic Tank/Pump

Water Information
Water: Spring, Storage Tank, Private/Mutual, Well (Shared)

Location

Multi-Unit Information
# of Stories: 3

School Information
Elementary School District: Portola Valley Elementary
High School District: Sequoia Union High

Location Information
Directions: WEST ON ALPINE FROM 280. 1/4 MILE PAST WILLOWBROOK DRIVE IS THE FIRST (GREEN) GATE; MEET LA AGENT THERE.

Public facts

Beds: 3
Baths: 6.0
Sq. Ft.: 7,550
Stories: 2.0
Lot Size: 8.58 acres
Style: Single Family Residential
Year Built: 1992
Year Renovated: —
County: San Mateo County
APN: 076350220

Home facts updated by county records on Jul 15, 2026

Other

Miscellaneous Information
Incorporated: Yes

Around this home

Schools

Corte Madera School

Public 4-8 • Assigned • 0.5mi

10/10

Woodside High School

Public 9-12 • Assigned • 5.6mi

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

4/10 Fire Factor

2% chance of being in a wildfire in next 30 years

2/10 Heat Factor

6 days above 93° 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

$9.57M – $11.58M

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Home values near 5070 ALPINE Rd

Data from public records.

Address	Redfin Estimate
4680 Alpine Road, Portola Valley, CA 2 Beds \| 1 Baths \| 1350 Sq. Ft.	$3,055,172
4760 Alpine Road, Portola Valley, CA 4 Beds \| 4 Baths \| 2930 Sq. Ft.	$3,835,994

Address	Redfin Estimate
4900 Alpine Road, Portola Valley, CA 4 Beds \| 4.5 Baths \| 7669 Sq. Ft.	$12,653,280
5050 Alpine Road, Portola Valley, CA 7 Beds \| 6 Baths \| 16000 Sq. Ft.	$18,218,776

Address	Redfin Estimate
4750 Alpine Road, Portola Valley, CA 3 Beds \| 3 Baths \| 2210 Sq. Ft.	$3,751,996
4850 Alpine Road, Portola Valley, CA 4 Beds \| 3.5 Baths \| 2900 Sq. Ft.	$3,959,438

Property information provided by MLSListings when last listed in 2014. This data may not match . Learn more.

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