3653 Happy Valley Rd is a 2,984 square foot house on a 1.01 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on October 30, 2012 for $1,625,000. Based on Redfin's Lafayette data, we estimate the home's value is $2,990,713.
Single-familyProperty Type
1942Year Built
1.01 acresLot Size
$1,002Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,990,713
$1.4M since sold in October 2012$50K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.7% lower than the average sale price ($3.10M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jan 30, 2010 • Final
Building/residential/rp/repair
Remodel
Jan 30, 2010 • Final
Building - residential mechanical
Install or repair a furnace and air conditioning system.
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
Room Information
# of Rooms: 11
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: ACALANES RHO
Living Sq. Ft: 2,984
Ground Floor Sq. Ft: 2,312
Building Sq. Ft: 2,984
# of Stories: 2
Legal Description: POR RO ACALANES
Parking & Garage Information
Garage/Parking Sq. Ft: 768
Lot Information
# of Buildings: 1
Land Sq. Ft: 44,126
Acres: 1.013
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 2,984
Stories: 2.0
Lot Size: 1.01 acres
Style: Single Family Residential
Year Built: 1942
Year Renovated: 1962
County: Contra Costa County
APN: 2441300015
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Happy Valley Elementary School
Public K-5 • Assigned • 1.0mi
8/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 1.0mi
8/10
Acalanes High School
Public 9-12 • Assigned • 1.8mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
8/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.77% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 93° 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
15 unhealthy days expected this year, 16 days in 30 years
Provided by First Street
Historical weather
Lafayette, CA • 94549
Average low and high temperatures (°F)
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43
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70
50
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49
75
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79
55
87
58
84
59
77
56
63
48
57
45
Jan
Feb
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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
$2.84M – $3.44M
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