1265 Upper Happy Valley Rd is a 4,653 square foot house on a 1 acre lot with 5 bedrooms and 5 bathrooms. - it last sold on November 03, 2021 for $4,100,000. Based on Redfin's Lafayette data, we estimate the home's value is $4,484,504.
Single-familyProperty Type
1936Year Built
1 acresLot Size
$964Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$4,484,504
$385K since sold in November 2021$28K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15.3% higher than the average sale price ($3.89M) of 6 comparable homes.
Beautiful and stylish very private home on a highly sought-after location on a rarely available large lot. Original hardwood floors throughout the home.
The bedrooms are in a separate split level wing with 2 steps up. The main bedroom has a large...
sitting room/private office, with fireplace and backyard access, and an ensuite marble master bathroom.
The home is set back from the road, it is gated with a large front yard, and trees for extra privacy. Big backyard with mature trees.
5 years ago• May not reflect the current state of the home
Hajni Cheek
Redfin Associate agent
Sale history for 1265 Upper Happy Valley Rd
Date
Event
Price
Public Records
Nov 3, 2021
Sold
$4,100,000
$881/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40941770
Apr 18, 2021
Listing Removed
—
Public Records
Sep 15, 2015
Sold
$2,850,000
$613/sq ft
Public Records
Apr 1, 1983
Sold
$615,000
$132/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$53,718 (+8.8%)
$3,572,025 + $1,125,945
$4,697,970
2025
$49,391 (+1.7%)
$3,572,025 + $1,125,945
$4,697,970
2024
$48,563 (+1.7%)
$3,501,986 + $848,966
$4,350,952
2023
$47,759 (+1.5%)
$3,433,320 + $832,320
$4,265,640
2022
$47,037 (+31.2%)
$3,366,000 + $816,000
$4,182,000
2021
$35,863 (−0.6%)
$3,300,000 + $800,000
$4,100,000
2020
$36,079 (+1.8%)
$2,187,291 + $929,597
$3,116,888
2019
$35,435 (+3.7%)
$2,164,864 + $920,066
$3,084,930
2018
$34,181 (+1.7%)
$2,122,416 + $902,026
$3,024,442
2017
$33,596 (+1.8%)
$2,040,000 + $867,000
$2,907,000
2016
$33,016 (+146.9%)
$2,040,000 + $867,000
$2,907,000
2015
$13,370 (+0.9%)
$2,000,000 + $850,000
$2,850,000
2014
$13,249 (+1.2%)
$422,531 + $655,401
$1,077,932
2013
$13,093 (+3.1%)
$422,531 + $655,401
$1,077,932
2012
$12,700 (+1.6%)
$420,622 + $652,439
$1,073,061
2011
$12,506 (+2.3%)
$412,375 + $639,647
$1,052,022
2010
$12,223 (+0.5%)
$404,290 + $627,105
$1,031,395
2009
$12,158 (+1.7%)
$401,269 + $622,419
$1,023,688
2008
$11,950
$402,223 + $623,898
$1,026,121
Tax history for 1265 Upper Happy Valley Rd
Year
Property tax
Land + Additions
Assessment*
2026
$53,718 (+8.8%)
$3,572,025 + $1,125,945
$4,697,970
2025
$49,391 (+1.7%)
$3,572,025 + $1,125,945
$4,697,970
2024
$48,563 (+1.7%)
$3,501,986 + $848,966
$4,350,952
2023
$47,759 (+1.5%)
$3,433,320 + $832,320
$4,265,640
2022
$47,037 (+31.2%)
$3,366,000 + $816,000
$4,182,000
2021
$35,863 (−0.6%)
$3,300,000 + $800,000
$4,100,000
2020
$36,079 (+1.8%)
$2,187,291 + $929,597
$3,116,888
2019
$35,435 (+3.7%)
$2,164,864 + $920,066
$3,084,930
2018
$34,181 (+1.7%)
$2,122,416 + $902,026
$3,024,442
2017
$33,596 (+1.8%)
$2,040,000 + $867,000
$2,907,000
2016
$33,016 (+146.9%)
$2,040,000 + $867,000
$2,907,000
2015
$13,370 (+0.9%)
$2,000,000 + $850,000
$2,850,000
2014
$13,249 (+1.2%)
$422,531 + $655,401
$1,077,932
2013
$13,093 (+3.1%)
$422,531 + $655,401
$1,077,932
2012
$12,700 (+1.6%)
$420,622 + $652,439
$1,073,061
2011
$12,506 (+2.3%)
$412,375 + $639,647
$1,052,022
2010
$12,223 (+0.5%)
$404,290 + $627,105
$1,031,395
2009
$12,158 (+1.7%)
$401,269 + $622,419
$1,023,688
2008
$11,950
$402,223 + $623,898
$1,026,121
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jul 30, 2025 • Active
Building/residential/r/adu-2nd unit
Construct a new attached accessory dwelling unit and extend the existing exterior deck. Install required fire sprinklers and modify the bathroom layout.
ADU
Jun 6, 2024 • Active
Building/residential/ad/single family addition
Construct a new addition and deck. Perform an extensive interior remodel of the residence including the kitchen, bathrooms, bedrooms, and living spaces. Convert the existing garage and laundry room into a gym and storage area, and convert existing bedrooms and gym into a new garage. Install fire sprinklers and modify windows and doors.
Addition
Fire sprinkler
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
Heating & Cooling
Air Conditioning Type: Central
Heating Fuel Type: Gas
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 3
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Average
Foundation Type: Raised W/Crawlspace
Building Style Type: Ranch
Building Construction Quality: Average
Exterior Wall: Stucco
Pool Information
Has Pool
Property Information
Subdivision Name: ACALANES RHO
Living Sq. Ft: 4,653
Ground Floor Sq. Ft: 4,653
Building Sq. Ft: 4,653
# of Stories: 1
Legal Description: RO ACALANES
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Garage/Carport
Garage/Parking Sq. Ft: 450
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,560
Acres: 1
County Use Description: SINGLE FAMILY
Location Information
Parcel Location Influence: Woodland
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 5.0
Sq. Ft.: 4,653
Stories: 1.0
Lot Size: 1 acres
Style: Single Family Residential
Year Built: 1936
Year Renovated: 2015
County: Contra Costa County
APN: 2470310067
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Happy Valley Elementary School
Public K-5 • Assigned • 0.6mi
8/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 2.5mi
8/10
Acalanes High School
Public 9-12 • Assigned • 3.1mi
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°
72°
54°
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
$4.26M – $5.16M
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