27400 Altamont Rd is a 4,267 square foot house on a 1 acre lot with 5 bedrooms and 5 bathrooms. - it last sold on March 02, 2015 for $3,600,000. Based on Redfin's Los Altos Hills data, we estimate the home's value is $5,841,830.
Single-familyProperty Type
1970Year Built
1 acresLot Size
$1,369Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$5,841,830
$2.2M since sold in March 2015$626K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.8% lower than the average sale price ($6.40M) of 3 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Aug 18, 1995 • Final
Other
Re-roof a residential building with fire-retardant class A or B materials.
Roofing
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
Interior
Room Information
# of Rooms: 8
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Spanish
Building Construction Quality: Excellent
Pool Information
Pool Type: Pool/Spa
Has Pool
Property Information
Living Sq. Ft: 4,267
Ground Floor Sq. Ft: 2,280
Building Sq. Ft: 4,267
# of Stories: 3
Legal Description: TRACT 4143 BOOK 216 PAGE 20 LOT 1
Parking & Garage Information
Garage/Parking Sq. Ft: 552
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,560
Legal Lot Number: 1
Municipality Name: LOS ALTOS HILLS CI
Acres: 1
Zoning Code: RA
County Use Description: RESID SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Tax Area: LOS ALTOS HILLS CI
Public facts
Beds: 5
Baths: 5.0
Sq. Ft.: 4,267
Stories: 3.0
Lot Size: 1 acres
Style: Single Family Residential
Year Built: 1970
Year Renovated: 1970
County: Santa Clara County
APN: 18228020
Home facts updated by county records on Aug 21, 2026
Around this home
Schools
Gardner Bullis Elementary School
Public K-6 • Assigned • 2.1mi
10/10
Ardis G. Egan Junior High School
Public 7-8 • Assigned • 3.3mi
9/10
Los Altos High School
Public 9-12 • Assigned • 3.2mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Los Altos Hills may be Silicon Valley’s most charming rule-breaker. There’s no downtown, no shops, no retail, by design. To preserve a rural feel, every home sits on at least one acre. Woven throughout the town is a hidden gem: a network of trails...
perfect for walking, hiking, and horseback riding.