257 Castle Hill Ranch Rd is a 2,719 square foot house on a 0.57 acre lot with 4 bedrooms and 3 bathrooms. Based on Redfin's Walnut Creek data, we estimate the home's value is $1,917,411.
Single-familyProperty Type
1986Year Built
0.57 acresLot Size
$705Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,917,411
$40K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15.4% lower than the average sale price ($2.27M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$7,440 (+2.4%)
$186,448 + $412,209
$598,657
2025
$7,262 (+1.5%)
$186,448 + $412,209
$598,657
2024
$7,151 (+2.6%)
$182,793 + $404,127
$586,920
2023
$6,973 (+2.2%)
$179,209 + $396,203
$575,412
2022
$6,822 (+2.9%)
$175,696 + $388,435
$564,131
2021
$6,629 (+1.4%)
$172,251 + $380,819
$553,070
2020
$6,539 (+1.1%)
$168,874 + $373,352
$542,226
2019
$6,469 (+3.6%)
$167,143 + $369,524
$536,667
2018
$6,241 (+2.1%)
$163,866 + $362,279
$526,145
2017
$6,113 (−2.7%)
$157,503 + $348,212
$505,715
2016
$6,284 (+2.4%)
$157,503 + $348,212
$505,715
2015
$6,136 (+1.3%)
$154,415 + $341,385
$495,800
2014
$6,056 (+1.5%)
$149,117 + $329,672
$478,789
2013
$5,964 (+3.3%)
$149,117 + $329,672
$478,789
2012
$5,776 (+1.7%)
$148,444 + $328,183
$476,627
2011
$5,680 (+1.5%)
$145,534 + $321,749
$467,283
2010
$5,596 (+2.1%)
$142,681 + $315,441
$458,122
2009
$5,480 (+1.3%)
$141,615 + $313,084
$454,699
2008
$5,408
$141,952 + $313,828
$455,780
Tax history for 257 Castle Hill Ranch Rd
Year
Property tax
Land + Additions
Assessment*
2026
$7,440 (+2.4%)
$186,448 + $412,209
$598,657
2025
$7,262 (+1.5%)
$186,448 + $412,209
$598,657
2024
$7,151 (+2.6%)
$182,793 + $404,127
$586,920
2023
$6,973 (+2.2%)
$179,209 + $396,203
$575,412
2022
$6,822 (+2.9%)
$175,696 + $388,435
$564,131
2021
$6,629 (+1.4%)
$172,251 + $380,819
$553,070
2020
$6,539 (+1.1%)
$168,874 + $373,352
$542,226
2019
$6,469 (+3.6%)
$167,143 + $369,524
$536,667
2018
$6,241 (+2.1%)
$163,866 + $362,279
$526,145
2017
$6,113 (−2.7%)
$157,503 + $348,212
$505,715
2016
$6,284 (+2.4%)
$157,503 + $348,212
$505,715
2015
$6,136 (+1.3%)
$154,415 + $341,385
$495,800
2014
$6,056 (+1.5%)
$149,117 + $329,672
$478,789
2013
$5,964 (+3.3%)
$149,117 + $329,672
$478,789
2012
$5,776 (+1.7%)
$148,444 + $328,183
$476,627
2011
$5,680 (+1.5%)
$145,534 + $321,749
$467,283
2010
$5,596 (+2.1%)
$142,681 + $315,441
$458,122
2009
$5,480 (+1.3%)
$141,615 + $313,084
$454,699
2008
$5,408
$141,952 + $313,828
$455,780
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Nov 9, 2023 • Final
Building - residential solar photovoltaic
Install a roof-mounted photovoltaic system with modules and microinverters.
Electrical
Solar
Oct 17, 2023 • Final
Building - residential re-roof
Remove the existing layer of composition shingles and install new solar shingles on a residential building. A separate electrical permit is required for the installation.
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
Room Information
# of Rooms: 12
Exterior
Property Information
Living Sq. Ft: 2,719
Ground Floor Sq. Ft: 1,428
Building Sq. Ft: 2,719
# of Stories: 2
Legal Description: REC OF SURVEY 74 LSM 12 LOT C
Parking & Garage Information
Garage/Parking Sq. Ft: 676
Lot Information
# of Buildings: 1
Land Sq. Ft: 24,780
Legal Lot Number: C
Acres: 0.5689
Zoning Code: R-20
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,719
Stories: 2.0
Lot Size: 0.57 acres
Style: Single Family Residential
Year Built: 1986
Year Renovated: 1992
County: Contra Costa County
APN: 1884700095
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
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
Walnut Creek, CA • 94595
Average low and high temperatures (°F)
59
39
62
43
70
47
69
48
76
52
80
54
81
57
86
58
82
60
73
52
63
46
56
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
$1.82M – $2.21M
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