146 Castle Crest Rd is a 3,644 square foot house on a 0.5 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on August 09, 1988 for $529,000. Based on Redfin's Alamo data, we estimate the home's value is $2,473,941.
Single-familyProperty Type
1971Year Built
0.5 acresLot Size
$679Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$2,473,941
$1.9M since sold in August 1988$170K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.3% higher than the average sale price ($2.24M) 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
Oct 29, 2024 • Final
Building/residential/al/alteration
Replace existing windows with new retrofit vinyl windows.
Remodel
Jun 22, 2022 • Final
Building - residential mechanical
Replace two air conditioning units and coils. A HERS report is required at the final inspection.
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
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: 11
Exterior
Exterior Information
Physical Condition: Good
Foundation Type: Raised W/Crawlspace
Building Construction Quality: Good
Exterior Wall: Wood
Property Information
Subdivision Name: WALNUT CRK PARK
Living Sq. Ft: 3,644
Ground Floor Sq. Ft: 2,295
Building Sq. Ft: 3,644
# of Stories: 2
Legal Description: WALNUT CREEK PARK POR LOT 10
Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Garage/Carport
Garage/Parking Sq. Ft: 539
Lot Information
# of Buildings: 1
Land Sq. Ft: 21,780
Legal Lot Number: 10
Acres: 0.5
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.: 3,644
Stories: 2.0
Lot Size: 0.5 acres
Style: Single Family Residential
Year Built: 1971
Year Renovated: 1985
County: Contra Costa County
APN: 1881900318
Home facts updated by county records on Jul 13, 2026
Around this home
Schools
Murwood Elementary School
Public K-5 • Assigned • 1.0mi
9/10
Walnut Creek Intermediate School
Public 6-8 • Assigned • 2.7mi
9/10
Las Lomas High School
Public 9-12 • Assigned • 1.4mi
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
3/10 Heat Factor
8 days above 96° 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
Alamo, CA • 94507
Average low and high temperatures (°F)
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53
62
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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
$2.35M – $2.85M
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