4147 Hidden Valley Rd is a 2,333 square foot house on a 10,019 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on September 25, 1974 for $59,000. Based on Redfin's Lafayette data, we estimate the home's value is $1,484,120.
Single-familyProperty Type
1964Year Built
10,019 sq ftLot Size
$636Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,484,120
$1.4M since sold in September 1974$2,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 24.9% lower than the average sale price ($1.98M) 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
Nov 14, 2011 • Final
Building/residential/ad/single family addition
Construct a second floor addition including a bedroom and bathroom. Perform a kitchen remodel.
Addition
Kitchen
Remodel
Jan 21, 2011 • Final
Building - residential re-roof
Install a class A composition shingle roof on a residential building.
Roofing
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: Wall Unit
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Good
Building Construction Quality: Good
Pool Information
Has Pool
Property Information
Subdivision Name: ACALANES RHO
Living Sq. Ft: 2,333
Ground Floor Sq. Ft: 1,788
Building Sq. Ft: 2,333
# of Stories: 2
Legal Description: RO ACALANES
Parking & Garage Information
Garage/Parking Sq. Ft: 546
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,019
Acres: 0.23
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,333
Stories: 2.0
Lot Size: 10,019 square feet
Style: Single Family Residential
Year Built: 1964
Year Renovated: 1979
County: Contra Costa County
APN: 2510700475
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Happy Valley Elementary School
Public K-5 • Assigned • 1.3mi
8/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 2.6mi
8/10
Acalanes High School
Public 9-12 • Assigned • 3.6mi
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
3/10 Fire Factor
0.62% 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
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46
70
50
68
49
75
52
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79
55
87
58
84
59
77
56
63
48
57
45
Jan
Feb
Mar
Apr
May
Jun
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Aug
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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
$1.41M – $1.71M
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