443 Castle Rock Rd is a 2,546 square foot house on a 1.15 acre lot with 3 bedrooms and 2 bathrooms. - it last sold on September 04, 2015 for $1,450,000. Based on Redfin's Walnut Creek data, we estimate the home's value is $2,084,138.
Single-familyProperty Type
1962Year Built
1.15 acresLot Size
$819Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,084,138
$634K since sold in September 2015$5,000 since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 26.5% higher than the average sale price ($1.65M) 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.
Zoning
R40
Single-Family Residential District
The purpose of the Single-Family Residential Zoning District is to provide for single-family residential development that is consistent with the General Plan. The intent is to promote and encourage a suitable environment for family life. This would include those conditionally permitted uses that are generally an integral part of single-family residential neighborhoods and that are compatible with residential activities including parks, playgrounds, religious assembly, day care, and schools.
Permitted uses
Include but are not limited to:
Housing-Single unit
Housing-Senior
Infrastructure
Property details
Interior
Room Information
# of Rooms: 9
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: SAN MIGUEL RHO
Living Sq. Ft: 2,546
Ground Floor Sq. Ft: 2,546
Building Sq. Ft: 2,546
# of Stories: 1
Legal Description: POR RO SAN MIGUEL
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Attached Garage
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 50,094
Acres: 1.15
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,546
Stories: 1.0
Lot Size: 1.15 acres
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1962
County: Contra Costa County
APN: 1391000112
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Walnut Acres Elementary School
Public K-5 • Assigned • 1.1mi
8/10
Foothill Middle School
Public 6-8 • Assigned • 1.2mi
9/10
Northgate High School
Public 9-12 • Assigned • 0.1mi
9/10
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
5/10 Fire Factor
6% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 95° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
17 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
Historical weather
Walnut Creek, CA • 94598
Average low and high temperatures (°F)
61
40
64
43
72
47
72
49
79
53
84
57
83
57
90
59
86
59
79
54
64
46
57
44
Jan
Feb
Mar
Apr
May
Jun
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Aug
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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
$1.98M – $2.40M
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