3510 Alpine Rd, Portola Valley, CA 94028

Sold on jul 2026

$10,850,000

•

6,593

sq ft

3510 Alpine Rd, Portola Valley, CA 94028

Track this home’s value and nearby sales activity

About this home

TRI-LEVEL ESTATE OFFERS POOL HOUSE, 3+ ACRES | Transport yourself to the East Coast in this incomparable custom estate. Gated acreage framed by California oaks reveals an exquisite Shingle-style home surrounded by bridges, enchanting gardens, a three-car garage, and fully functional pool house with pool and spa. Faced by a circular gravel drive, the tri-level main residence built in 2010 has been wonderfully maintained, boasting all ensuite bedrooms, a study, gym, and media lounge with full bar. Enjoy a sensational master chefs kitchen, ultra-luxurious primary suite, multiple fireplaces, surround sound, and ground-level guest/au pair quarters. Superb details include graceful turrets, round windows, soaring ceilings, gorgeous hardwood floors, and extensive millwork throughout. Outdoor retreats abound with amenities like a barbecue island, fireplace, paver terraces, wisteria-laden pergola, raised beds, and more. Moments from shopping, dining, trails, and breathtaking scenery, this piece of bucolic paradise is nestled near tech and venture capital centers, and only ~ 30 minutes from SFO and SJC. Excellent Portola Valley Schools. Property is on sewer giving a buyer full use of the lot. Main residence 5861 sq ft, guest house 732 sq ft=6593 sq ft Plus 888 sq ft garage.

Single-familyProperty Type

2010Year Built

3.07 acresLot Size

$1,646Price/Sq.Ft.

$10/moHOA Dues

3 car garageParking

Listed by Sue Crawford •DRE #00587710 • Coldwell Banker Realty

Bought with Hope Pilch •DRE #01252438 • HP Properties

Redfin checked: 2 minutes ago

•Source:MLSListings #ML82038785

Redfin Estimate

$11,930,495

$1.1M since sold in July 2026$671K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 27.2% higher than the average sale price ($9.38M) 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 SEP 10, 2026
$6,500,000
B
4 beds4.5 baths4,557 sq ft
28100 Story Hill Ln, Los Altos Hills, CA 94022
SOLD SEP 29, 2026
$8,500,000
C
5 beds5.5 baths3,690 sq ft
160 Fawn Ln, Portola Valley, CA 94028
SOLD MAY 18, 2026
$5,300,000
D
4 beds3.5 baths5,412 sq ft
27994 Via Ventana Way, Los Altos Hills, CA 94022
SOLD JUL 15, 2026
$6,100,000
E
4 beds5 baths3,400 sq ft
350 Willowbrook Rd, Portola Valley, CA 94028

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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
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Rental estimate

Est. $4,392 per month, based on comparable rentals

Sale and tax history for 3510 Alpine Rd

Sale History
Tax History

Date

Event

Price

MLSListings #ML82038785

Jul 30, 2026

Sold

$10,850,000

$1,646/sq ft

Jun 29, 2026

Pending

—

Jun 22, 2026

Pending

—

Jun 22, 2026

Contingent

—

Apr 16, 2026

Price Changed

Apr 16, 2026

Price Changed

$11,650,000

$1,767/sq ft

Mar 16, 2026

Listed

$12,650,000

$1,919/sq ft

Mar 16, 2026

Listed

Public Records

Aug 8, 2006

Sold

$2,400,000

$364/sq ft

MLSListings #ML80631021

Aug 8, 2006

Listing Removed

—

Jul 7, 2006

Sold

$2,400,000

$364/sq ft

May 18, 2006

Listed

$2,475,000

$375/sq ft

MLSListings #ML80626366

Aug 8, 2006

Sold

$2,400,000

$364/sq ft

Jul 7, 2006

Listing Removed

—

Jun 25, 2006

Price Changed

$2,475,000

$375/sq ft

May 8, 2006

Listed

$2,695,000

$409/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$69,602 (+1.1%)

$3,211,474 + $3,278,430

$6,489,904

2024

$68,840 (+1.5%)

$3,148,504 + $3,214,148

$6,362,652

2023

$67,830 (+2.8%)

$3,086,769 + $3,151,126

$6,237,895

2022

$65,952 (+1.3%)

$3,026,245 + $3,089,340

$6,115,585

2021

$65,086 (+0.4%)

$2,966,907 + $3,028,765

$5,995,672

2020

$64,795 (+1.1%)

$2,908,733 + $2,969,378

$5,878,111

2019

$64,101 (+5.2%)

$2,878,908 + $2,938,931

$5,817,839

2018

$60,922 (+1.2%)

$2,822,459 + $2,881,305

$5,703,764

2017

$60,205 (+1.8%)

$2,712,860 + $2,769,421

$5,482,281

2016

$59,153 (+0.7%)

$2,712,860 + $2,769,421

$5,482,281

2015

$58,750 (+2.5%)

$2,659,667 + $2,715,119

$5,374,786

2014

$57,315 (+13.2%)

$2,568,401 + $2,621,950

$5,190,351

2012

$50,642 (−0.2%)

$2,556,794 + $2,610,101

$5,166,895

2011

$50,725 (+22.0%)

$2,204,500 + $2,395,500

$4,600,000

2010

$41,589 (+4.6%)

$2,457,511 + $2,669,954

$5,127,465

2009

$39,754 (+32.6%)

$2,439,145 + $1,350,000

$3,789,145

2008

$29,989

$2,444,940 + $1,200,000

$3,644,940

Public record

Beds

Baths

5.5

Stories

Lot width

—

Lot depth

—

Lot size

3.07 Acres

Year renovated

2010

Sq. Ft.

5,433

Year built

2010

Style

Single Family Residential

County

San Mateo County

APN

077273060

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Sep 3, 2026.

Property details

Parking

Garage Information
# of Garage Spaces: 3

Parking Information
Has Garage: Yes
Parking Features: Detached, Electric Car Hookup, Electric Gate, Off-Site Parking, Room for Oversized Vehicle

Interior

Virtual Tour

Bedroom Information
Bedroom Features: Ground Floor Bedroom, Walk-In Closet

Bathroom Information
# of Baths (Full): 6
# of Baths (1/2): 1
Bathroom Features: Double Sinks, Marble, Primary Stall Shower(s), Shower over Tub (1), Skylight, Stall Shower (2+), Tub in Primary Bedroom, Tubs (2+), Full on Ground Floor, Half on Ground Floor

Appliances
Dishwasher, Garbage Disposal, Hood Over Range, Microwave, Double Oven, Self-Cleaning Oven, Built-In Gas Oven Range, Refrigerator, Wine Refrigerator, Warming Drawer

Basement Information
Finished

Dining Room Information
Dining Bar, Eat-In Kitchen, Formal Dining Room

Family Room Information
Kitchen/Family Room Combo

Fireplace Information
# of Fireplaces: 4
Fireplace Features: Family Room, Living Room, Primary Bedroom, Outside

Flooring Information
Concrete, Hardwood, Marble, Stone, Tile

Interior Features
Interior Features: High Ceiling, Skylight(s), Vaulted Ceiling, Wet Bar, Walk-In Closet, Security Gate

Laundry Information
Laundry Features: Tub/Sink, Upper Floor, Inside, In Utility Room

Room Information
Room Type: Basement, Laundry, Media Room, Office, Workshop

Kitchen Information
Kitchen Features: Marble Countertop, Ice Maker Hookups, Island, Island with Sink, Pantry

Exterior

Building Information
Foundation Details: Concrete Perimeter
Roof: Wood

Exterior Features
Fencing: Gate, Wood
Patio & Porch Features: Back Yard, Balcony/Patio, Barbecue Area, Fenced

Pool Information
Pool Features: Cover, Heated, In Ground

Stories
Stories: 3

Year Built
Year Built Details: 2

Lot Information
Lot Features: Level (Grade), Mostly Level (Grade)

Property Features
Additional Legal ADU Type: Guest House

Property Information
Building Area Total (Sq. Ft.): 6,593

Financial

Financial Information
Buyer Financing: Conventional
Listing Terms: Cash or Conventional Loan

Utilities

Heating & Cooling
Cooling: Central Forced Air
Heating: Central Forced Air, Central Forced Air (Gas)

Utility Information
EV Hookup Types: Electric Vehicle Hookup Level 2 (240 volts)
Gas: Public Utilities
Sewer: Public Sewer
Utilities: Public Utilities, Public Water, Solar
Water Source: Public

Location

HOA Information
Association Fee: $120
Association Fee Frequency: Annually
Association Name: Westridge
Has Association: Yes

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

Location Information
MLS Area: Central Portola Valley
Street Name: Alpine
Street Number: 3510

WalkScore Information
Walk Score: 14

Public facts

Beds: 4
Baths: 5.5
Sq. Ft.: 5,433
Stories: 2.0
Lot Size: 3.07 acres
Style: Single Family Residential
Year Built: 2010
Year Renovated: 2010
County: San Mateo County
APN: 077273060

Home facts updated by county records on Sep 3, 2026

Around this home

Schools

Ormondale Elementary School

Public K-3 • Assigned • 1.6mi

10/10

Corte Madera School

Public 4-8 • Assigned • 1.9mi

10/10

Woodside High School

Public 9-12 • Assigned • 4.4mi

8/10

Provided by GreatSchools

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

80/ 100

Very good sunlight

Sunscore

This home receives average direct sun exposure in Portola Valley. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.

8.4 hrs

4.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$11.33M – $13.72M

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Nearby similar homes

$11,500,000

Land— sq ft

57-59 Los Trancos Woods Rd, Portola Valley, CA 94028

Gently rolling hills • Los trancos creek

NEW CONSTRUCTION

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Listing provided by Zillow

NEW CONSTRUCTION

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3D & VIDEO TOUR

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Butler's pantry • Walk in closet • 0.34 acre lot

NEW CONSTRUCTION3D WALKTHROUGH

$5,275,000

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NEW CONSTRUCTION

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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 3510 Alpine Rd

Data from public records.

Address	Redfin Estimate
3350 Alpine Rd, Portola Valley, CA 3 Beds \| 2 Baths \| 2080 Sq. Ft.	$5,067,330
121 Ash Ln, Portola Valley, CA 2 Beds \| 4.5 Baths \| 6122 Sq. Ft.	$25,611,241
137 Ash Ln, Portola Valley, CA 3 Beds \| 5 Baths \| 3790 Sq. Ft.	$7,534,998
187 Westridge Dr, Portola Valley, CA 3 Beds \| 2 Baths \| 2210 Sq. Ft.	$4,623,562
118 Westridge Dr, Portola Valley, CA 5 Beds \| 3 Baths \| 4430 Sq. Ft.	$6,242,517
140 Westridge Dr, Portola Valley, CA 4 Beds \| 3.5 Baths \| 2850 Sq. Ft.	$6,488,648
250 Alamos Rd, Portola Valley, CA 3 Beds \| 3.5 Baths \| 2311 Sq. Ft.	$7,571,267

Address	Redfin Estimate
3338 Alpine Rd, Portola Valley, CA 3 Beds \| 2 Baths \| 2254 Sq. Ft.	$4,822,670
228 Westridge Dr, Portola Valley, CA 5 Beds \| 3.5 Baths \| 2790 Sq. Ft.	$8,321,101
100 Alamos Rd, Portola Valley, CA 4 Beds \| 3.5 Baths \| 4200 Sq. Ft.	$5,823,897
150 Alamos Rd, Portola Valley, CA 4 Beds \| 3.5 Baths \| 8333 Sq. Ft.	$15,024,215
128 Westridge Dr, Portola Valley, CA 4 Beds \| 2 Baths \| 2110 Sq. Ft.	$4,198,242
200 Alamos Rd, Portola Valley, CA 5 Beds \| 8 Baths \| 11300 Sq. Ft.	$22,806,028
275 Westridge Dr, Portola Valley, CA 5 Beds \| 4 Baths \| 5460 Sq. Ft.	$6,167,306

Address	Redfin Estimate
3343 Alpine Rd, Portola Valley, CA 6 Beds \| 6 Baths \| 6800 Sq. Ft.	$5,014,947
157 Westridge Dr, Portola Valley, CA 4 Beds \| 3.5 Baths \| 4380 Sq. Ft.	$5,647,041
170 Alamos Rd, Portola Valley, CA 5 Beds \| 3.5 Baths \| 4495 Sq. Ft.	$8,335,443
127 Westridge Dr, Portola Valley, CA 5 Beds \| 4 Baths \| 4530 Sq. Ft.	$9,965,271
107 Westridge Dr, Portola Valley, CA 5 Beds \| 3 Baths \| 3000 Sq. Ft.	$4,987,834
207 Westridge Dr, Portola Valley, CA 3 Beds \| 3.5 Baths \| 4760 Sq. Ft.	$6,323,564
287 Westridge Dr, Portola Valley, CA 2 Beds \| 2.5 Baths \| 5215 Sq. Ft.	$8,642,087

Property information provided by MLSListings when last listed in 2026. This data may not match . Learn more.

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About this home

Redfin Estimate

Market trends in 94028, CA

Homeowner tools

Sale and tax history for 3510 Alpine Rd

Public record

Property details

Around this home

Schools

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94028

Home values near 3510 Alpine Rd

More real estate resources