Tucked away on one acre (per county) in desirable Portola Valley area of Santa Clara County, this home with a guest house/rental unit offers privacy and comfortable living. The mostly level property is fully fenced with views of Windy Hill and an abundance of outdoor space including an area suitable for horses. The main level includes the spacious living room that connects seamlessly to the airy kitchen. A large deck is accessible from the kitchen making the entire space ideal for indoor and outdoor entertaining. A lower level offers two generous-sized rooms with storage and yard access. The detached garage includes a connected guest house that is perfect for use as a rental unit or visiting guests. Built in 1990, the unit is entered from a private deck and includes a living room, kitchen, stacked washer/dryer, and one bedroom with an en-suite bath. This desirable location is convenient to local shopping and restaurants, hiking trails, highway 280, and Stanford University.
Single-familyProperty Type
1978Year Built
1.01 acresLot Size
$1,539Est. Price/Sq.Ft.
2 car garageParking
Listed by Ginny&John Kavanaugh Group•DRE #70010886• Coldwell Banker Realty
Contact: 415-377-2924
Bought with Mandana Simai•DRE #01437800• Christie's International Real Estate Sereno
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Permits
Beds
2
Baths
2
Stories
2
Lot width
—
Lot depth
—
Lot size
1.01 Acres
Year renovated
1979
Sq. Ft.
2,314
Year built
1978
Style
Single Family Residential
County
Santa Clara County
APN
18234038
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 21, 2026.
Oct 17, 2024 • Final
Pv - roof mount
Install a roof-mounted solar photovoltaic system and a main service panel upgrade.
Electrical
Solar
Dec 14, 2018 • Final
Construction
Work on a residence.
Addition
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Parking
Parking Information
Garage (Minimum): 2
Garage (Maximum): 2
Parking Description: Detached
Garage Spaces: 2
Interior
Virtual Tour
Bedroom Information
# of Bedrooms (Minimum): 2
# of Bedrooms (Maximum): 2
Bathroom Information
# of Baths (Full): 2
Room Information
Dining Room Description: Dining Area
Accessory Dwelling Unit
Heating & Cooling Information
Cooling: Window/Wall Unit
Heating: Central Forced Air, Heating (2+ Zones)
Exterior
Exterior Features
Roof: Composition
Building Information
Subclass: Single Family Home
Building Type: Detached
Concrete Perimeter and Slab
Property Features
Living Sq. Ft.: 2,314
Property Information
Horse Property: Possible
Property Primary ID: 664978
Lot Information
Lot Acres: 1.0112
Lot Size Area Minimum Units: Sq. Ft.
Lot Size Area Maximum Units: Sq. Ft.
Lot Size Source: Assessor
Zoning: HS
Utilities
Utility Information
Sewer Septic: Septic Connected
Utilities: Public Utilities
Water Information
Water: Private/Mutual
Location
Multi-Unit Information
# of Stories: 2
School Information
Elementary School District: Palo Alto Unified
High School District: Palo Alto Unified
Location Information
Directions: Turn onto small entrance on Alpine Road that runs behind the Alpine Inn off of Arastradero. The home has a shared drive and it will be the first driveway on the left.
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 2,314
Stories: 2.0
Lot Size: 1.01 acres
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1979
County: Santa Clara County
APN: 18234038
Home facts updated by county records on Aug 21, 2026
Around this home
Schools
Lucille M. Nixon Elementary School
Public K-5 • Assigned • 3.2mi
10/10
Ellen Fletcher Middle
Public 6-8 • Assigned • 4.0mi
9/10
Henry M. Gunn High School
Public 9-12 • Assigned • 3.8mi
10/10
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
7 days above 94° expected this year, 13 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)
61
43
62
45
69
48
68
47
73
50
78
53
77
54
83
56
80
57
76
53
63
47
59
45
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
$3.38M – $4.10M
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