1041 Upper Happy Valley Rd is a 4,352 square foot house on a 1 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on June 26, 1973 for $59,000. Based on Redfin's Lafayette data, we estimate the home's value is $3,970,732.
Single-familyProperty Type
2017Year Built
1 acresLot Size
$912Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$3,970,732
$3.9M since sold in June 1973$140K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.5% higher than the average sale price ($3.66M) of 5 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
May 29, 2019 • Final
Building - residential electrical
Install a new electrical circuit from the main panel to a garden shed. Install ground fault circuit interrupter outlets along a fence and inside the shed. Add a porch light, an overhead light, recessed lighting, and additional outlets to the garden shed.
Electrical
Apr 22, 2019 • Final
Building/grading/gl/grading lafayette
Grading for a new single-family home.
Grading
New construction
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: 13
Exterior
Property Information
Subdivision Name: ACALANES RHO
Living Sq. Ft: 4,352
Ground Floor Sq. Ft: 3,576
Building Sq. Ft: 4,352
# of Stories: 2
Legal Description: ACALANES GRANT
Parking & Garage Information
Garage/Parking Sq. Ft: 663
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,560
Acres: 1
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 4,352
Stories: 2.0
Lot Size: 1 acres
Style: Single Family Residential
Year Built: 2017
Year Renovated: 2019
County: Contra Costa County
APN: 2490100217
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Happy Valley Elementary School
Public K-5 • Assigned • 0.9mi
8/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 2.1mi
8/10
Acalanes High School
Public 9-12 • Assigned • 3.1mi
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
0.77% chance of being in a wildfire in next 30 years
3/10 Heat Factor
8 days above 90° expected this year, 17 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
14 unhealthy days expected this year, 15 days in 30 years
Provided by First Street
Historical weather
Lafayette, CA • 94549
Average low and high temperatures (°F)
60
43
62
46
70
50
68
49
75
52
78
54
81
56
87
58
81
60
77
56
63
48
57
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.5 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.5 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$3.77M – $4.57M
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