1901 Castle Hill Rd is a 3,655 square foot house on a 0.46 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on April 22, 1993 for $535,000. Based on Redfin's Walnut Creek data, we estimate the home's value is $2,317,740.
Single-familyProperty Type
1991Year Built
0.46 acresLot Size
$634Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,317,740
$1.8M since sold in April 1993$38K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.1% lower than the average sale price ($2.37M) 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
Dec 11, 2017 • Final
Building - residential solar photovoltaic
Install a roof-mounted solar photovoltaic system on a residential building.
Electrical
Solar
Sep 28, 2015 • Final
Building - residential re-roof
Remove the existing single layer of composition shingles and replace them with new Title 24 composition shingles 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: 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: Good
Foundation Type: Raised W/Crawlspace
Building Style Type: Conventional
Building Construction Quality: Good
Exterior Wall: Wood Siding
Property Information
Living Sq. Ft: 3,655
Ground Floor Sq. Ft: 3,655
Building Sq. Ft: 3,655
# of Stories: 1
Legal Description: PCL MAP 129 PG 33 POR PCL C
Parking & Garage Information
# of Parking Spaces: 3
Parking Type: Garage/Carport
Garage/Parking Sq. Ft: 752
Lot Information
# of Buildings: 1
Land Sq. Ft: 19,994
Acres: 0.459
Zoning Code: R-20
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 3,655
Stories: 1.0
Lot Size: 0.46 acres
Style: Single Family Residential
Year Built: 1991
Year Renovated: 2002
County: Contra Costa County
APN: 1880800550
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Parkmead Elementary School
Public K-5 • Assigned • 0.6mi
8/10
Walnut Creek Intermediate School
Public 6-8 • Assigned • 2.1mi
9/10
Las Lomas High School
Public 9-12 • Assigned • 0.8mi
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
4/10 Fire Factor
0.93% chance of being in a wildfire in next 30 years
4/10 Heat Factor
8 days above 95° 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
Walnut Creek, CA • 94595
Average low and high temperatures (°F)
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82
60
77
53
63
46
56
43
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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
$2.20M – $2.67M
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