1120 Upper Happy Valley Rd is a 3,056 square foot house on a 0.31 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on May 19, 2017 for $2,425,000. Based on Redfin's Lafayette data, we estimate the home's value is $3,227,360.
Single-familyProperty Type
1947Year Built
0.31 acresLot Size
$1,056Est. Price/Sq.Ft.
1 spaceParking
Source:Public Records
Redfin Estimate
$3,227,360
$802K since sold in May 2017$30K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8.5% higher than the average sale price ($2.98M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40198102
Oct 22, 2006
Listing Removed
—
Aug 14, 2006
Listed
*
Public Records
Jan 29, 2002
Sold
$612,500
$200/sq ft
Public Records
Jan 27, 1989
Sold
$311,000
$102/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$32,690 (+1.7%)
$2,267,796 + $602,903
$2,870,699
2024
$32,140 (+1.7%)
$2,223,330 + $591,082
$2,814,412
2023
$31,600 (+1.5%)
$2,179,736 + $579,493
$2,759,229
2022
$31,120 (+17.8%)
$2,136,997 + $568,131
$2,705,128
2021
$26,415 (+0.6%)
$2,095,096 + $556,992
$2,652,088
2020
$26,248 (−11.2%)
$1,800,000 + $450,000
$2,250,000
2019
$29,543 (+4.7%)
$1,737,956 + $462,044
$2,200,000
2018
$28,212 (+55.0%)
$1,974,949 + $525,051
$2,500,000
2017
$18,196 (+1.9%)
$898,757 + $614,705
$1,513,462
2016
$17,865 (+2.8%)
$898,757 + $614,705
$1,513,462
2015
$17,384 (+1.3%)
$881,135 + $602,652
$1,483,787
2014
$17,162 (+1.1%)
$850,900 + $581,973
$1,432,873
2013
$16,969 (+4.9%)
$850,900 + $581,973
$1,432,873
2012
$16,183 (+27.6%)
$847,055 + $579,343
$1,426,398
2011
$12,686 (−13.9%)
$815,345 + $557,655
$1,373,000
2010
$14,735 (−7.0%)
$623,534 + $426,466
$1,050,000
2009
$15,838 (+66.7%)
$744,678 + $509,322
$1,254,000
2008
$9,498
$808,515 + $552,985
$1,361,500
Tax history for 1120 Upper Happy Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$32,690 (+1.7%)
$2,267,796 + $602,903
$2,870,699
2024
$32,140 (+1.7%)
$2,223,330 + $591,082
$2,814,412
2023
$31,600 (+1.5%)
$2,179,736 + $579,493
$2,759,229
2022
$31,120 (+17.8%)
$2,136,997 + $568,131
$2,705,128
2021
$26,415 (+0.6%)
$2,095,096 + $556,992
$2,652,088
2020
$26,248 (−11.2%)
$1,800,000 + $450,000
$2,250,000
2019
$29,543 (+4.7%)
$1,737,956 + $462,044
$2,200,000
2018
$28,212 (+55.0%)
$1,974,949 + $525,051
$2,500,000
2017
$18,196 (+1.9%)
$898,757 + $614,705
$1,513,462
2016
$17,865 (+2.8%)
$898,757 + $614,705
$1,513,462
2015
$17,384 (+1.3%)
$881,135 + $602,652
$1,483,787
2014
$17,162 (+1.1%)
$850,900 + $581,973
$1,432,873
2013
$16,969 (+4.9%)
$850,900 + $581,973
$1,432,873
2012
$16,183 (+27.6%)
$847,055 + $579,343
$1,426,398
2011
$12,686 (−13.9%)
$815,345 + $557,655
$1,373,000
2010
$14,735 (−7.0%)
$623,534 + $426,466
$1,050,000
2009
$15,838 (+66.7%)
$744,678 + $509,322
$1,254,000
2008
$9,498
$808,515 + $552,985
$1,361,500
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Dec 20, 2021 • Final
Building - residential ess/battery storage
Install new energy storage systems.
Battery
Electrical
Jun 30, 2021 • Final
Building - residential electrical
Install new energy storage systems.
Battery
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
Heating & Cooling
Heating Fuel Type: Gas
Heating Type: Floor Furnace
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Good
Foundation Type: Raised W/Crawlspace
Building Style Type: Ranch
Building Construction Quality: Good
Exterior Wall: Wood Siding
Property Information
Subdivision Name: MALLEY ESTATES #1
Living Sq. Ft: 3,056
Ground Floor Sq. Ft: 3,056
Building Sq. Ft: 3,584
# of Stories: 1
Legal Description: MALLEY ESTATES #1 POR LOT 13
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 528
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 13,500
Legal Lot Number: 13
Acres: 0.3099
Depth Footage: 150
Front Footage: 90
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 3,056
Stories: 1.0
Lot Size: 0.31 acres
Style: Single Family Residential
Year Built: 1947
Year Renovated: 1985
County: Contra Costa County
APN: 2480800073
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 • 2.9mi
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
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
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
$3.07M – $3.71M
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