4060 Happy Valley Rd is a 2,910 square foot house on a 1.03 acre lot with 4 bedrooms and 3 bathrooms. Based on Redfin's Lafayette data, we estimate the home's value is $2,412,070.
Single-familyProperty Type
1973Year Built
1.03 acresLot Size
$829Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,412,070
$67K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.8% higher than the average sale price ($2.32M) 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
$4,171 (+2.1%)
$74,986 + $237,523
$312,509
2024
$4,087 (+2.0%)
$73,516 + $232,866
$306,382
2023
$4,006 (+1.4%)
$72,075 + $228,300
$300,375
2022
$3,951 (+3.2%)
$70,662 + $223,824
$294,486
2021
$3,829 (+3.0%)
$69,277 + $219,436
$288,713
2020
$3,717 (+0.9%)
$67,919 + $215,134
$283,053
2019
$3,685 (+3.9%)
$67,223 + $212,929
$280,152
2018
$3,545 (+2.6%)
$65,905 + $208,754
$274,659
2017
$3,457 (+2.6%)
$63,347 + $200,649
$263,996
2016
$3,370 (+3.2%)
$63,347 + $200,649
$263,996
2015
$3,264 (+1.6%)
$62,105 + $196,715
$258,820
2014
$3,213 (+1.9%)
$59,975 + $189,966
$249,941
2013
$3,154 (+3.8%)
$59,975 + $189,966
$249,941
2012
$3,040 (+2.2%)
$59,704 + $189,108
$248,812
2011
$2,974 (+1.6%)
$58,534 + $185,400
$243,934
2010
$2,928 (−6.5%)
$57,387 + $181,765
$239,152
2009
$3,130 (+4.0%)
$56,959 + $180,407
$237,366
2008
$3,009
$57,095 + $180,836
$237,931
Tax history for 4060 Happy Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$4,171 (+2.1%)
$74,986 + $237,523
$312,509
2024
$4,087 (+2.0%)
$73,516 + $232,866
$306,382
2023
$4,006 (+1.4%)
$72,075 + $228,300
$300,375
2022
$3,951 (+3.2%)
$70,662 + $223,824
$294,486
2021
$3,829 (+3.0%)
$69,277 + $219,436
$288,713
2020
$3,717 (+0.9%)
$67,919 + $215,134
$283,053
2019
$3,685 (+3.9%)
$67,223 + $212,929
$280,152
2018
$3,545 (+2.6%)
$65,905 + $208,754
$274,659
2017
$3,457 (+2.6%)
$63,347 + $200,649
$263,996
2016
$3,370 (+3.2%)
$63,347 + $200,649
$263,996
2015
$3,264 (+1.6%)
$62,105 + $196,715
$258,820
2014
$3,213 (+1.9%)
$59,975 + $189,966
$249,941
2013
$3,154 (+3.8%)
$59,975 + $189,966
$249,941
2012
$3,040 (+2.2%)
$59,704 + $189,108
$248,812
2011
$2,974 (+1.6%)
$58,534 + $185,400
$243,934
2010
$2,928 (−6.5%)
$57,387 + $181,765
$239,152
2009
$3,130 (+4.0%)
$56,959 + $180,407
$237,366
2008
$3,009
$57,095 + $180,836
$237,931
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jul 8, 2025 • Active
Building - residential mechanical
Replace supply ducts in a residential building. A HERS report is required at the final inspection.
HVAC
Apr 14, 2025 • Active
Building - residential foundation repair
Perform voluntary foundation repairs and stabilize the floor system. Install piers, steel beams, new footings, and support jacks to stabilize the structure.
Remodel
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: 10
Exterior
Pool Information
Has Pool
Property Information
Living Sq. Ft: 2,910
Ground Floor Sq. Ft: 2,910
Building Sq. Ft: 2,910
# of Stories: 1
Legal Description: PARCEL MAP 11 PG 27 POR PCL A
Parking & Garage Information
Garage/Parking Sq. Ft: 532
Lot Information
# of Buildings: 1
Land Sq. Ft: 44,780
Acres: 1.028
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,910
Stories: 1.0
Lot Size: 1.03 acres
Style: Single Family Residential
Year Built: 1973
Year Renovated: 1983
County: Contra Costa County
APN: 2460100189
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Happy Valley Elementary School
Public K-5 • Assigned • 0.8mi
8/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 2.7mi
8/10
Acalanes High School
Public 9-12 • Assigned • 3.3mi
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, 15 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
79
55
87
58
84
59
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
$2.29M – $2.77M
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