4185 Hidden Valley Rd is a 3,001 square foot house on a 0.25 acre lot with 4 bedrooms and 3 bathrooms. Based on Redfin's Lafayette data, we estimate the home's value is $1,749,171.
Single-familyProperty Type
1976Year Built
0.25 acresLot Size
$583Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,749,171
$3,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15.9% lower than the average sale price ($2.08M) 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
Jul 12, 2004 • Final
Building - residential electrical
Install new light fixtures, including recessed lights and wall sconces. Install new ground fault circuit interrupter outlets.
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
Room Information
# of Rooms: 10
Exterior
Property Information
Living Sq. Ft: 3,001
Ground Floor Sq. Ft: 1,618
Building Sq. Ft: 3,001
# of Stories: 2
Legal Description: RO EL SOBRANTE
Parking & Garage Information
# of Parking Spaces: 1
Parking Type: Carport
Garage / Carport Type: Carport
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,890
Acres: 0.25
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 3,001
Stories: 2.0
Lot Size: 0.25 acres
Style: Single Family Residential
Year Built: 1976
Year Renovated: 1977
County: Contra Costa County
APN: 2510200161
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Happy Valley Elementary School
Public K-5 • Assigned • 1.5mi
8/10
M. H. Stanley Middle School
Public 6-8 • Assigned • 2.8mi
8/10
Acalanes High School
Public 9-12 • Assigned • 3.8mi
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
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
$1.66M – $2.01M
Reach more buyers when you sell with Redfin. Save up to $17,492 in fees.3 minutes to get started.