1180 Upper Happy Valley Rd is a 4,242 square foot house on a 1 acre lot with 6 bedrooms and 4 bathrooms. Based on Redfin's Lafayette data, we estimate the home's value is $3,588,049.
Single-familyProperty Type
1941Year Built
1 acresLot Size
$846Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$3,588,049
$133K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 24.7% lower than the average sale price ($4.76M) 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
$12,432 (+1.8%)
$467,422 + $504,208
$971,630
2024
$12,218 (+1.8%)
$458,257 + $494,322
$952,579
2023
$11,997 (+1.6%)
$449,272 + $484,630
$933,902
2022
$11,811 (+3.0%)
$440,463 + $475,128
$915,591
2021
$11,470
$431,827 + $465,812
$897,639
2020
$11,467 (+3.6%)
$423,360 + $456,679
$880,039
2019
$11,071 (+3.6%)
$419,019 + $451,997
$871,016
2018
$10,684 (+1.7%)
$410,803 + $443,135
$853,938
2017
$10,501 (+2.0%)
$394,852 + $425,929
$820,781
2016
$10,293 (+2.8%)
$394,852 + $425,929
$820,781
2015
$10,012 (+1.0%)
$387,110 + $417,578
$804,688
2014
$9,911 (+1.3%)
$373,827 + $403,250
$777,077
2013
$9,787 (+3.1%)
$373,827 + $403,250
$777,077
2012
$9,491 (+1.6%)
$372,138 + $401,428
$773,566
2011
$9,340 (+2.9%)
$364,842 + $393,557
$758,399
2010
$9,075 (+0.9%)
$357,689 + $385,841
$743,530
2009
$8,995 (+1.7%)
$355,016 + $382,958
$737,974
2008
$8,842
$355,860 + $383,868
$739,728
Tax history for 1180 Upper Happy Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$12,432 (+1.8%)
$467,422 + $504,208
$971,630
2024
$12,218 (+1.8%)
$458,257 + $494,322
$952,579
2023
$11,997 (+1.6%)
$449,272 + $484,630
$933,902
2022
$11,811 (+3.0%)
$440,463 + $475,128
$915,591
2021
$11,470
$431,827 + $465,812
$897,639
2020
$11,467 (+3.6%)
$423,360 + $456,679
$880,039
2019
$11,071 (+3.6%)
$419,019 + $451,997
$871,016
2018
$10,684 (+1.7%)
$410,803 + $443,135
$853,938
2017
$10,501 (+2.0%)
$394,852 + $425,929
$820,781
2016
$10,293 (+2.8%)
$394,852 + $425,929
$820,781
2015
$10,012 (+1.0%)
$387,110 + $417,578
$804,688
2014
$9,911 (+1.3%)
$373,827 + $403,250
$777,077
2013
$9,787 (+3.1%)
$373,827 + $403,250
$777,077
2012
$9,491 (+1.6%)
$372,138 + $401,428
$773,566
2011
$9,340 (+2.9%)
$364,842 + $393,557
$758,399
2010
$9,075 (+0.9%)
$357,689 + $385,841
$743,530
2009
$8,995 (+1.7%)
$355,016 + $382,958
$737,974
2008
$8,842
$355,860 + $383,868
$739,728
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Nov 7, 2018 • Final
Building/residential/al/alteration
Replace four windows with one patio door and replace five windows with like-for-like replacements in the family room.
Remodel
Sep 19, 2018 • Final
Building - residential mechanical
Replace the air conditioning unit, coil, and furnace.
HVAC
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 Type: Forced Air
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 13
Exterior
Exterior Information
Physical Condition: Average
Building Construction Quality: Average
Pool Information
Has Pool
Property Information
Subdivision Name: ACALANES RHO
Living Sq. Ft: 4,242
Ground Floor Sq. Ft: 2,997
Building Sq. Ft: 4,242
# of Stories: 1
Legal Description: RO ACALANES 1.00 AC
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,560
Acres: 1
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 6
Baths: 4.0
Sq. Ft.: 4,242
Stories: 1.0
Lot Size: 1 acres
Style: Single Family Residential
Year Built: 1941
Year Renovated: 1943
County: Contra Costa County
APN: 2461600088
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Happy Valley Elementary School
Public K-5 • Assigned • 0.4mi
8/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 2.3mi
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
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
$3.41M – $4.13M
Reach more buyers when you sell with Redfin. Save up to $35,880 in fees.3 minutes to get started.