1079 Upper Happy Valley Rd is a 1,886 square foot house on a 0.39 acre lot with 2 bedrooms and 2 bathrooms. - it last sold on April 30, 1976 for $79,000. Based on Redfin's Lafayette data, we estimate the home's value is $1,864,956.
Single-familyProperty Type
1959Year Built
0.39 acresLot Size
$989Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,864,956
$1.8M since sold in April 1976$98K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.1% lower than the average sale price ($1.87M) 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
Sep 30, 2025 • Final
Building - residential mechanical
Replace the furnace, ducting, and air conditioning unit. A HERS report is required at the final inspection.
HVAC
Oct 9, 2018 • Final
Building/residential/p/pool
Remodel a pool by repairing a leak, replastering, and retiling. Remove and replace the pool equipment.
Pool and hot tub
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: 5
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: HAPPY VALLEY ESTATES #1
Living Sq. Ft: 1,886
Ground Floor Sq. Ft: 1,886
Building Sq. Ft: 1,886
# of Stories: 1
Legal Description: HAPPY VALLEY ESTATES #1 POR LOTS 5 & 6
Lot Information
# of Buildings: 1
Land Sq. Ft: 16,940
Legal Lot Number: 5
Acres: 0.3889
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,886
Stories: 1.0
Lot Size: 0.39 acres
Style: Single Family Residential
Year Built: 1959
Year Renovated: 1959
County: Contra Costa County
APN: 2470810199
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Happy Valley Elementary School
Public K-5 • Assigned • 0.7mi
8/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 2.1mi
8/10
Acalanes High School
Public 9-12 • Assigned • 3.0mi
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
4/10 Fire Factor
0.93% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 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
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46
70
50
68
49
75
52
78
54
79
55
87
58
84
59
77
56
63
48
57
45
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Oct
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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
$1.77M – $2.15M
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