31247 Palomares Rd is a 11,563 square foot house on a 40.62 acre lot. - it last sold on July 12, 1996 for $475,000. Based on Redfin's Castro Valley data, we estimate the home's value is $5,940,927.
Single-familyProperty Type
2004Year Built
40.62 acresLot Size
$514Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$5,940,927
$5.5M since sold in July 1996$675K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 170% higher than the average sale price ($2.20M) 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 and permits
Zoning
Permits
PD
Planned Development District
Planned development districts, hereinafter designated as PD districts, are established to encourage the arrangement of a compatible variety of uses on suitable lands in such a manner that the resulting development will: be in accord with the policies of the General Plan of the county; provide efficient use of the land that includes preservation of significant open areas and natural and topographic landscape features with minimum alteration of natural land forms; provide an environment that will encourage the use of common open areas for neighborhood or community activities and other amenities; be compatible with and enhance the development of the general area; and create an attractive, efficient and safe environment.
Jan 31, 2005 • Final
Building
Install a new koi pond consisting of two sections interconnected by piping.
Pool and hot tub
Nov 24, 2004 • Final
Building
Construct a new swimming pool and spa.
Pool and hot tub
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: 23
Exterior
Exterior Information
Building Style Type: U-Shape
Construction Type: Wood
Building Construction Quality: Excellent
Pool Information
Has Pool
View Information
View: Good
Property Information
Living Sq. Ft: 11,563
Building Sq. Ft: 11,563
# of Units: 1
# of Stories: 1.5
Parking & Garage Information
# of Parking Spaces: 3
Lot Information
# of Buildings: 1
Land Sq. Ft: 1,769,593
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 40.6243
County Use Description: IMPROVED RURAL-RESIDENTIAL HOM
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: —
Baths: —
Sq. Ft.: 11,563
Stories: 1.5
Lot Size: 40.62 acres
Style: Single Family Residential
Year Built: 2004
Year Renovated: 2005
County: Alameda County
APN: 085A370100401
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
K - 12
Preschool & daycare
Palomares Elementary School
Public K-5 • Assigned • 3.2mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 4.7mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 5.6mi
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
4/10 Fire Factor
1% chance of being in a wildfire in next 30 years
2/10 Heat Factor
7 days above 91° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
7/10 Air Factor
12 unhealthy days expected this year, 12 days in 30 years
Provided by First Street
Historical weather
Castro Valley, CA • 94552
Average low and high temperatures (°F)
61
42
63
44
69
47
67
48
72
51
74
53
76
56
80
56
79
59
72
52
64
46
59
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.4 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.4 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$5.64M – $6.83M
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