1228 Upper Happy Valley Rd is a 2,249 square foot house on a 0.64 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Lafayette data, we estimate the home's value is $2,133,961.
Single-familyProperty Type
1946Year Built
0.64 acresLot Size
$949Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,133,961
$30K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 21.1% higher than the average sale price ($1.76M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$3,832 (+1.9%)
$1,325,000 + $325,000
$1,650,000
2024
$3,762 (+2.3%)
$69,841 + $83,330
$153,171
2023
$3,679 (+1.6%)
$68,472 + $81,697
$150,169
2022
$3,620 (+2.9%)
$67,130 + $80,096
$147,226
2021
$3,518 (+2.2%)
$65,814 + $78,526
$144,340
2020
$3,444 (+10.0%)
$64,524 + $76,987
$141,511
2019
$3,131 (+3.4%)
$63,863 + $76,198
$140,061
2018
$3,028 (+1.7%)
$62,611 + $74,704
$137,315
2017
$2,979
$60,181 + $71,804
$131,985
Tax history for 1228 Upper Happy Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$3,832 (+1.9%)
$1,325,000 + $325,000
$1,650,000
2024
$3,762 (+2.3%)
$69,841 + $83,330
$153,171
2023
$3,679 (+1.6%)
$68,472 + $81,697
$150,169
2022
$3,620 (+2.9%)
$67,130 + $80,096
$147,226
2021
$3,518 (+2.2%)
$65,814 + $78,526
$144,340
2020
$3,444 (+10.0%)
$64,524 + $76,987
$141,511
2019
$3,131 (+3.4%)
$63,863 + $76,198
$140,061
2018
$3,028 (+1.7%)
$62,611 + $74,704
$137,315
2017
$2,979
$60,181 + $71,804
$131,985
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Sep 25, 2025 • Final
Building - residential re-roof
Tear off existing layers of composition shingles and install a new cool roof shingle membrane on a residential building.
Roofing
Aug 9, 2024 • Final
Building - residential electrical
Upgrade the main electrical service panel from a 100-amp to a 200-amp overhead connection.
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
Room Information
# of Rooms: 8
Exterior
Property Information
Subdivision Name: ACALANES RHO
Living Sq. Ft: 2,249
Ground Floor Sq. Ft: 2,249
Building Sq. Ft: 2,249
# of Stories: 1
Legal Description: POR RO ACALANES
Parking & Garage Information
Garage/Parking Sq. Ft: 480
Lot Information
# of Buildings: 1
Land Sq. Ft: 27,878
Acres: 0.64
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,249
Stories: 1.0
Lot Size: 0.64 acres
Style: Single Family Residential
Year Built: 1946
Year Renovated: 1946
County: Contra Costa County
APN: 2461700318
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Happy Valley Elementary School
Public K-5 • Assigned • 0.6mi
8/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 2.4mi
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
1% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 92° expected this year, 16 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
$2.03M – $2.46M
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