2431 Caballo Ranchero Dr is a 3,406 square foot house on a 0.92 acre lot with 5 bedrooms and 4 bathrooms. - it last sold on May 04, 2018 for $1,650,100. Based on Redfin's Diablo data, we estimate the home's value is $2,811,589.
Single-familyProperty Type
1977Year Built
0.92 acresLot Size
$825Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$2,811,589
$1.2M since sold in May 2018$24K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.2% lower than the average sale price ($3.00M) of 5 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #10240144
May 10, 2022
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #10246474
Jun 15, 2019
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #27246474
Jun 15, 2019
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #10244680
Feb 4, 2019
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #10243887
Feb 4, 2019
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #27244680
Feb 4, 2019
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #27243887
Feb 4, 2019
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #27240144
Jan 3, 2019
Listing Removed
—
Public Records
May 4, 2018
Sold
$1,650,100
$484/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40737117
Jul 13, 2016
Listing Removed
—
Public Records
Jan 21, 2005
Sold
$1,378,000
$405/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40054873
Dec 22, 2004
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11181985
Jun 30, 2003
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #10251296
May 22, 1998
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #28251296
May 3, 1998
Listing Removed
—
Public Records
Jun 1, 1989
Sold
$570,000
$167/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$26,571 (+5.4%)
$1,218,612 + $1,006,349
$2,224,961
2025
$25,199 (+16.3%)
$1,218,612 + $1,006,349
$2,224,961
2024
$21,660 (+1.6%)
$1,194,718 + $936,696
$2,131,414
2023
$21,321 (+0.8%)
$1,171,293 + $669,310
$1,840,603
2022
$21,147 (+2.2%)
$1,148,327 + $656,187
$1,804,514
2021
$20,694 (+0.9%)
$1,125,811 + $643,321
$1,769,132
2020
$20,515 (+1.2%)
$1,103,737 + $630,707
$1,734,444
2019
$20,270 (+1.7%)
$1,092,420 + $624,240
$1,716,660
2018
$19,937 (+4.1%)
$1,071,000 + $612,000
$1,683,000
2017
$19,151 (+1.2%)
$1,321,146 + $333,885
$1,655,031
2016
$18,929 (+5.4%)
$1,321,146 + $333,885
$1,655,031
2015
$17,954 (+4.5%)
$1,295,242 + $327,339
$1,622,581
2014
$17,182 (+5.9%)
$1,158,275 + $292,725
$1,451,000
2013
$16,222 (+15.6%)
$1,158,275 + $292,725
$1,451,000
2012
$14,036 (−6.1%)
$1,079,247 + $272,753
$1,352,000
2011
$14,953 (−4.4%)
$955,516 + $241,484
$1,197,000
2010
$15,645 (−8.9%)
$1,021,772 + $258,228
$1,280,000
2009
$17,171 (+3.1%)
$1,077,650 + $272,350
$1,350,000
2008
$16,648
$1,190,674 + $300,915
$1,491,589
Tax history for 2431 Caballo Ranchero Dr
Year
Property tax
Land + Additions
Assessment*
2026
$26,571 (+5.4%)
$1,218,612 + $1,006,349
$2,224,961
2025
$25,199 (+16.3%)
$1,218,612 + $1,006,349
$2,224,961
2024
$21,660 (+1.6%)
$1,194,718 + $936,696
$2,131,414
2023
$21,321 (+0.8%)
$1,171,293 + $669,310
$1,840,603
2022
$21,147 (+2.2%)
$1,148,327 + $656,187
$1,804,514
2021
$20,694 (+0.9%)
$1,125,811 + $643,321
$1,769,132
2020
$20,515 (+1.2%)
$1,103,737 + $630,707
$1,734,444
2019
$20,270 (+1.7%)
$1,092,420 + $624,240
$1,716,660
2018
$19,937 (+4.1%)
$1,071,000 + $612,000
$1,683,000
2017
$19,151 (+1.2%)
$1,321,146 + $333,885
$1,655,031
2016
$18,929 (+5.4%)
$1,321,146 + $333,885
$1,655,031
2015
$17,954 (+4.5%)
$1,295,242 + $327,339
$1,622,581
2014
$17,182 (+5.9%)
$1,158,275 + $292,725
$1,451,000
2013
$16,222 (+15.6%)
$1,158,275 + $292,725
$1,451,000
2012
$14,036 (−6.1%)
$1,079,247 + $272,753
$1,352,000
2011
$14,953 (−4.4%)
$955,516 + $241,484
$1,197,000
2010
$15,645 (−8.9%)
$1,021,772 + $258,228
$1,280,000
2009
$17,171 (+3.1%)
$1,077,650 + $272,350
$1,350,000
2008
$16,648
$1,190,674 + $300,915
$1,491,589
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Sep 25, 2025 • Final
Building/residential/r/adu-2nd unit
Construct a new detached two-bedroom and two-bathroom accessory dwelling unit with a fire sprinkler system. Revisions include changes to the skylight location, kitchen island layout, bathroom layout, sliding door and window locations, and attic access points.
ADU
Electrical
Solar
Oct 30, 2024 • Final
Building - residential solar photovoltaic
Install a roof-mounted photovoltaic system on a residential building.
Electrical
Solar
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: 13
Exterior
Property Information
Subdivision Name: B
Living Sq. Ft: 3,406
Ground Floor Sq. Ft: 1,268
Building Sq. Ft: 4,121
# of Stories: 2
Legal Description: PCL MAP 54 PG 7 PCL B
Parking & Garage Information
# of Parking Spaces: 3
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 715
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 40,075
Acres: 0.92
Zoning Code: R-40
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 4.0
Sq. Ft.: 3,406
Stories: 2.0
Lot Size: 0.92 acres
Style: Single Family Residential
Year Built: 1977
Year Renovated: 2000
County: Contra Costa County
APN: 1953520242
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Green Valley Elementary School
Public K-5 • Assigned • 1.4mi
10/10
Los Cerros Middle School
Public 6-8 • Assigned • 1.3mi
10/10
Monte Vista 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
6/10 Fire Factor
10% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 95° expected this year, 14 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
Diablo, CA • 94528
Average low and high temperatures (°F)
59
41
62
43
69
47
68
48
75
51
80
54
83
56
86
58
81
60
72
53
62
46
57
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.8 hours in
June and 4.8 hours in December, placing it above the
U.S. average for solar exposure.
11.8 hrs
4.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$2.67M – $3.23M
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