840 Arroyo Rd is a 3,433 square foot house on a 0.4 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on March 14, 1997 for $800,000. Based on Redfin's Los Altos data, we estimate the home's value is $5,936,710.
Single-familyProperty Type
2002Year Built
0.4 acresLot Size
$1,729Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$5,936,710
$5.1M since sold in March 1997$38K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.7% lower than the average sale price ($6.30M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Nov 23, 2016 • Final
Photovoltaic
Work on a photovoltaic system.
Electrical
Solar
Nov 8, 2016 • Active
Residential electrical
Work on electrical systems.
Electrical
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
Heating & Cooling
Heating Fuel Type: Gas
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 3
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Good
Foundation Type: Raised W/Crawlspace
Building Style Type: H-Shape
Construction Type: Wood
Building Construction Quality: Good
Exterior Wall: Stucco
Roof Framing Type: Wood
Pool Information
Pool Type: Pool/Spa
Has Pool
Property Information
Subdivision Name: MONTEBELLO ACRES
Living Sq. Ft: 3,433
Ground Floor Sq. Ft: 3,433
Building Sq. Ft: 3,433
# of Stories: 1
Stories Type: 1
Legal Description: MONTEBELLO ACRES MAP G6 811
Parking & Garage Information
# of Parking Spaces: 2
Garage/Parking Sq. Ft: 556
Lot Information
# of Buildings: 1
Land Sq. Ft: 17,500
Legal Lot Number: 45
Municipality Name: LOS ALTOS CITY
Acres: 0.4017
Depth Footage: 175
Front Footage: 100
Zoning Code: R110
County Use Description: RESID SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Tax Area: LOS ALTOS CITY
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 3,433
Stories: 1.0
Lot Size: 0.4 acres
Style: Single Family Residential
Year Built: 2002
Year Renovated: 2002
County: Santa Clara County
APN: 18929016
Home facts updated by county records on Aug 21, 2026
Around this home
Schools
Springer Elementary School
Public K-6 • Assigned • 0.7mi
10/10
Georgina P. Blach Junior High School
Public 7-8 • Assigned • 1.3mi
9/10
Los Altos High School
Public 9-12 • Assigned • 1.1mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
The Los Altos housing market remains highly competitive, fueled by top-rated schools, desirable neighborhoods, and proximity to major tech employers. Well-priced homes continue to attract strong demand and multiple offers.
Los Altos has its "Village", a cozy 6-block downtown of retail, an architecturally & functionally impressive community center, and mostly sidewalk-free streets preserving a rural feel. Foodies will love DeMartini Orchard, the town’s oldest business,...
still serving local produce and specialty treats.