1115 Upper Happy Valley Rd is a 2,870 square foot house on a 0.39 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on July 12, 1989 for $485,000. Based on Redfin's Lafayette data, we estimate the home's value is $2,601,690.
Single-familyProperty Type
1948Year Built
0.39 acresLot Size
$907Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$2,601,690
$2.1M since sold in July 1989$90K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14% lower than the average sale price ($3.03M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40521666
Jul 14, 2011
Listing Removed
—
Apr 29, 2011
Listed
*
Public Records
Jul 12, 1989
Sold
$485,000
$169/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$11,753 (+1.8%)
$385,438 + $524,682
$910,120
2024
$11,550 (+1.2%)
$377,881 + $514,395
$892,276
2023
$11,416 (+1.6%)
$370,472 + $504,309
$874,781
2022
$11,240 (+3.0%)
$363,208 + $494,421
$857,629
2021
$10,916
$356,087 + $484,727
$840,814
2020
$10,909 (+3.7%)
$349,105 + $475,223
$824,328
2019
$10,520 (+3.6%)
$345,526 + $470,351
$815,877
2018
$10,153 (+1.7%)
$338,751 + $461,129
$799,880
2017
$9,981 (+2.0%)
$325,598 + $443,224
$768,822
2016
$9,782 (+2.8%)
$325,598 + $443,224
$768,822
2015
$9,515 (+1.0%)
$319,214 + $434,534
$753,748
2014
$9,419 (+1.3%)
$308,261 + $419,623
$727,884
2013
$9,299 (+3.1%)
$308,261 + $419,623
$727,884
2012
$9,019 (+2.5%)
$306,868 + $417,727
$724,595
2011
$8,798 (+3.1%)
$300,851 + $409,537
$710,388
2010
$8,536 (+1.0%)
$294,952 + $401,507
$696,459
2009
$8,453 (+1.7%)
$292,748 + $398,507
$691,255
2008
$8,309
$293,444 + $399,454
$692,898
Tax history for 1115 Upper Happy Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$11,753 (+1.8%)
$385,438 + $524,682
$910,120
2024
$11,550 (+1.2%)
$377,881 + $514,395
$892,276
2023
$11,416 (+1.6%)
$370,472 + $504,309
$874,781
2022
$11,240 (+3.0%)
$363,208 + $494,421
$857,629
2021
$10,916
$356,087 + $484,727
$840,814
2020
$10,909 (+3.7%)
$349,105 + $475,223
$824,328
2019
$10,520 (+3.6%)
$345,526 + $470,351
$815,877
2018
$10,153 (+1.7%)
$338,751 + $461,129
$799,880
2017
$9,981 (+2.0%)
$325,598 + $443,224
$768,822
2016
$9,782 (+2.8%)
$325,598 + $443,224
$768,822
2015
$9,515 (+1.0%)
$319,214 + $434,534
$753,748
2014
$9,419 (+1.3%)
$308,261 + $419,623
$727,884
2013
$9,299 (+3.1%)
$308,261 + $419,623
$727,884
2012
$9,019 (+2.5%)
$306,868 + $417,727
$724,595
2011
$8,798 (+3.1%)
$300,851 + $409,537
$710,388
2010
$8,536 (+1.0%)
$294,952 + $401,507
$696,459
2009
$8,453 (+1.7%)
$292,748 + $398,507
$691,255
2008
$8,309
$293,444 + $399,454
$692,898
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Dec 29, 2023 • Final
Building/residential/al/alteration
Remodel a kitchen and install a new pantry. Remove a load-bearing wall and add shear wall strengthening to the garage back walls.
Kitchen
Remodel
Dec 29, 2023 • Final
Building/residential/al/alteration
Remodel the guest and master bathrooms with no structural changes. Install recessed lighting and replace three fireplaces in the family room, living room, and second story.
Bathroom
Electrical
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: 9
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: HAPPY VALLEY ESTATES #1
Living Sq. Ft: 2,870
Ground Floor Sq. Ft: 2,008
Building Sq. Ft: 2,870
# of Stories: 2
Legal Description: HAPPY VALLEY ESTATES #1 LOT 37
Parking & Garage Information
Garage/Parking Sq. Ft: 387
Lot Information
# of Buildings: 1
Land Sq. Ft: 17,040
Legal Lot Number: 37
Acres: 0.3912
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,870
Stories: 2.0
Lot Size: 0.39 acres
Style: Single Family Residential
Year Built: 1948
Year Renovated: 1985
County: Contra Costa County
APN: 2470700010
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 • 2.2mi
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, 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
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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
$2.47M – $2.99M
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