2520 Caballo Ranchero Dr is a 2,808 square foot house on a 0.97 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on July 15, 2016 for $1,200,000. Based on Redfin's Diablo data, we estimate the home's value is $2,076,475.
Single-familyProperty Type
1978Year Built
0.97 acresLot Size
$739Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$2,076,475
$876K since sold in July 2016$4,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13.4% lower than the average sale price ($2.40M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40731900
Jul 15, 2016
Listing Removed
—
Public Records
Jul 15, 2016
Sold
$1,200,000
$427/sq ft
Public Records
Jul 9, 1976
Sold
$34,500
$12/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$18,400 (+3.2%)
$1,302,174 + $215,796
$1,517,970
2025
$17,825 (+2.1%)
$1,302,174 + $215,796
$1,517,970
2024
$17,454 (+1.6%)
$1,276,642 + $211,565
$1,488,207
2023
$17,174 (+4.2%)
$1,251,610 + $207,417
$1,459,027
2022
$16,478 (+5.0%)
$1,227,069 + $203,350
$1,430,419
2021
$15,689 (+1.0%)
$1,203,009 + $149,363
$1,352,372
2020
$15,534 (+1.2%)
$1,179,421 + $107,219
$1,286,640
2019
$15,346 (+3.8%)
$1,167,328 + $106,120
$1,273,448
2018
$14,778 (+4.3%)
$1,144,440 + $104,040
$1,248,480
2017
$14,175 (+221.7%)
$1,100,000 + $100,000
$1,200,000
2016
$4,406 (+1.9%)
$1,100,000 + $100,000
$1,200,000
2015
$4,324 (+2.0%)
$68,653 + $232,816
$301,469
2014
$4,241 (−3.9%)
$66,298 + $224,827
$291,125
2013
$4,413 (+11.6%)
$66,298 + $224,827
$291,125
2012
$3,954 (+2.1%)
$65,999 + $223,811
$289,810
2011
$3,873 (+1.6%)
$64,705 + $219,423
$284,128
2010
$3,812 (−0.1%)
$63,437 + $215,121
$278,558
2009
$3,816 (+2.3%)
$62,963 + $213,514
$276,477
2008
$3,729
$63,113 + $214,022
$277,135
Tax history for 2520 Caballo Ranchero Dr
Year
Property tax
Land + Additions
Assessment*
2026
$18,400 (+3.2%)
$1,302,174 + $215,796
$1,517,970
2025
$17,825 (+2.1%)
$1,302,174 + $215,796
$1,517,970
2024
$17,454 (+1.6%)
$1,276,642 + $211,565
$1,488,207
2023
$17,174 (+4.2%)
$1,251,610 + $207,417
$1,459,027
2022
$16,478 (+5.0%)
$1,227,069 + $203,350
$1,430,419
2021
$15,689 (+1.0%)
$1,203,009 + $149,363
$1,352,372
2020
$15,534 (+1.2%)
$1,179,421 + $107,219
$1,286,640
2019
$15,346 (+3.8%)
$1,167,328 + $106,120
$1,273,448
2018
$14,778 (+4.3%)
$1,144,440 + $104,040
$1,248,480
2017
$14,175 (+221.7%)
$1,100,000 + $100,000
$1,200,000
2016
$4,406 (+1.9%)
$1,100,000 + $100,000
$1,200,000
2015
$4,324 (+2.0%)
$68,653 + $232,816
$301,469
2014
$4,241 (−3.9%)
$66,298 + $224,827
$291,125
2013
$4,413 (+11.6%)
$66,298 + $224,827
$291,125
2012
$3,954 (+2.1%)
$65,999 + $223,811
$289,810
2011
$3,873 (+1.6%)
$64,705 + $219,423
$284,128
2010
$3,812 (−0.1%)
$63,437 + $215,121
$278,558
2009
$3,816 (+2.3%)
$62,963 + $213,514
$276,477
2008
$3,729
$63,113 + $214,022
$277,135
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Apr 26, 2022 • Final
Building/residential/p/pool
Construct a new pool and spa.
Pool and hot tub
May 18, 2006 • Final
Building - residential mechanical
Install a new furnace and air conditioning unit with a flue and electrical circuit.
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
Room Information
# of Rooms: 11
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: MT DIABLO ESTATE PARK SUB
Living Sq. Ft: 2,808
Ground Floor Sq. Ft: 2,808
Building Sq. Ft: 2,808
# of Stories: 1
Legal Description: PARCEL MAP 25 PG 40 POR PCLS A & B
Parking & Garage Information
Garage/Parking Sq. Ft: 528
Lot Information
# of Buildings: 1
Land Sq. Ft: 42,253
Legal Lot Number: 18
Acres: 0.97
Zoning Code: R-40
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,808
Stories: 1.0
Lot Size: 0.97 acres
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1979
County: Contra Costa County
APN: 1953510433
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 • 1.3mi
10/10
Los Cerros Middle School
Public 6-8 • Assigned • 1.2mi
10/10
Monte Vista High School
Public 9-12 • Assigned • 1.3mi
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
$1.97M – $2.39M
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