1845 Castle Gate Rd is a 4,995 square foot house on a 0.87 acre lot with 5 bedrooms and 5 bathrooms. - it last sold on May 28, 2019 for $1,825,000. Based on Redfin's Walnut Creek data, we estimate the home's value is $2,701,493.
Single-familyProperty Type
1988Year Built
0.87 acresLot Size
$541Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$2,701,493
$876K since sold in May 2019$7,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15.5% higher than the average sale price ($2.34M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40836492
Nov 14, 2018
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40813519
Jul 1, 2018
Listing Removed
—
Jun 30, 2018
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11174086
Feb 23, 2003
Listing Removed
—
Public Records
Jun 13, 2002
Sold
$1,300,000
$260/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #11135536
Apr 29, 2002
Listing Removed
—
Public Records
Aug 10, 1988
Sold
$545,000
$109/sq ft
Public Records
Aug 6, 1987
Sold
$110,000
$22/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$23,961 (+2.3%)
$910,261 + $1,166,273
$2,076,534
2025
$23,418 (+1.3%)
$910,261 + $1,166,273
$2,076,534
2024
$23,107 (+2.4%)
$892,413 + $1,143,405
$2,035,818
2023
$22,559 (+2.3%)
$874,915 + $1,120,986
$1,995,901
2022
$22,049 (+2.8%)
$857,760 + $1,099,006
$1,956,766
2021
$21,452 (+0.7%)
$840,942 + $1,077,457
$1,918,399
2020
$21,296 (+1.5%)
$824,453 + $1,056,331
$1,880,784
2019
$20,972 (+3.5%)
$816,000 + $1,045,500
$1,861,500
2018
$20,260 (+1.8%)
$811,465 + $1,006,218
$1,817,683
2017
$19,907 (+1.8%)
$779,955 + $967,147
$1,747,102
2016
$19,557 (+2.3%)
$779,955 + $967,147
$1,747,102
2015
$19,124 (+4.3%)
$764,662 + $948,184
$1,712,846
2014
$18,335 (+7.6%)
$714,285 + $885,715
$1,600,000
2013
$17,033 (+8.0%)
$714,285 + $885,715
$1,600,000
2012
$15,778 (−4.0%)
$666,963 + $827,037
$1,494,000
2011
$16,430 (−1.7%)
$623,437 + $773,063
$1,396,500
2010
$16,711 (+0.9%)
$647,321 + $802,679
$1,450,000
2009
$16,569 (−4.2%)
$662,500 + $821,500
$1,484,000
2008
$17,295
$662,500 + $821,500
$1,484,000
Tax history for 1845 Castle Gate Rd
Year
Property tax
Land + Additions
Assessment*
2026
$23,961 (+2.3%)
$910,261 + $1,166,273
$2,076,534
2025
$23,418 (+1.3%)
$910,261 + $1,166,273
$2,076,534
2024
$23,107 (+2.4%)
$892,413 + $1,143,405
$2,035,818
2023
$22,559 (+2.3%)
$874,915 + $1,120,986
$1,995,901
2022
$22,049 (+2.8%)
$857,760 + $1,099,006
$1,956,766
2021
$21,452 (+0.7%)
$840,942 + $1,077,457
$1,918,399
2020
$21,296 (+1.5%)
$824,453 + $1,056,331
$1,880,784
2019
$20,972 (+3.5%)
$816,000 + $1,045,500
$1,861,500
2018
$20,260 (+1.8%)
$811,465 + $1,006,218
$1,817,683
2017
$19,907 (+1.8%)
$779,955 + $967,147
$1,747,102
2016
$19,557 (+2.3%)
$779,955 + $967,147
$1,747,102
2015
$19,124 (+4.3%)
$764,662 + $948,184
$1,712,846
2014
$18,335 (+7.6%)
$714,285 + $885,715
$1,600,000
2013
$17,033 (+8.0%)
$714,285 + $885,715
$1,600,000
2012
$15,778 (−4.0%)
$666,963 + $827,037
$1,494,000
2011
$16,430 (−1.7%)
$623,437 + $773,063
$1,396,500
2010
$16,711 (+0.9%)
$647,321 + $802,679
$1,450,000
2009
$16,569 (−4.2%)
$662,500 + $821,500
$1,484,000
2008
$17,295
$662,500 + $821,500
$1,484,000
*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
The purpose of the Planned Development District is to allow diversification in the relationship of various buildings, land uses, structures, and open spaces in order to be relieved from the rigid standards of conventional zoning. A Planned Development District shall comply with the regulations and provision of the General Plan and any applicable specific plan and shall provide adequate standards to promote the public, health, safety and general welfare without unduly inhibiting the advantages of modern building techniques and planning for residential or commercial purposes.
Oct 18, 2024 • Final
Ev charger/battery storage system - residential
Install a residential energy storage system consisting of multiple battery units.
Battery
Electrical
Oct 18, 2024 • Final
Solar system - residential
Install a new solar 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: 11
Exterior
Property Information
Subdivision Name: CASTLE GATE ROAD
Living Sq. Ft: 4,995
Ground Floor Sq. Ft: 3,027
Building Sq. Ft: 4,995
# of Stories: 1
Legal Description: TRACT 5742 LOT 14 & TR ADJ
Parking & Garage Information
Garage/Parking Sq. Ft: 850
Lot Information
# of Buildings: 1
Land Sq. Ft: 37,800
Legal Lot Number: 14
Acres: 0.8678
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 5.0
Sq. Ft.: 4,995
Stories: 1.0
Lot Size: 0.87 acres
Style: Single Family Residential
Year Built: 1988
Year Renovated: 2000
County: Contra Costa County
APN: 1845000296
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Parkmead Elementary School
Public K-5 • Assigned • 0.5mi
8/10
Walnut Creek Intermediate School
Public 6-8 • Assigned • 1.9mi
9/10
Las Lomas High School
Public 9-12 • Assigned • 0.7mi
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
4/10 Heat Factor
8 days above 95° 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
$2.57M – $3.11M
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