1877 Castle Gate Rd is a 4,005 square foot house on a 0.47 acre lot with 5 bedrooms and 4 bathrooms. - it last sold on July 19, 1990 for $245,000. Based on Redfin's Walnut Creek data, we estimate the home's value is $3,105,019.
Single-familyProperty Type
2000Year Built
0.47 acresLot Size
$775Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$3,105,019
$2.9M since sold in July 1990$17K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 27.8% higher than the average sale price ($2.43M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #11091929
May 24, 2001
Listing Removed
—
Public Records
Jul 19, 1990
Sold
$245,000
$61/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$24,404 (+2.4%)
$614,784 + $1,536,972
$2,151,756
2025
$23,841 (+1.4%)
$614,784 + $1,536,972
$2,151,756
2024
$23,521 (+2.5%)
$602,730 + $1,506,836
$2,109,566
2023
$22,953 (+2.4%)
$590,912 + $1,477,291
$2,068,203
2022
$22,425 (+2.8%)
$579,326 + $1,448,325
$2,027,651
2021
$21,808 (+0.7%)
$567,967 + $1,419,927
$1,987,894
2020
$21,648 (+2.8%)
$556,831 + $1,392,086
$1,948,917
2019
$21,053 (+4.0%)
$551,122 + $1,377,812
$1,928,934
2018
$20,246 (+0.6%)
$521,427 + $1,303,573
$1,825,000
2017
$20,121 (+4.3%)
$505,428 + $1,263,572
$1,769,000
2016
$19,284 (+5.3%)
$505,428 + $1,263,572
$1,769,000
2015
$18,318 (+3.1%)
$482,856 + $1,207,144
$1,690,000
2014
$17,763 (+5.3%)
$442,857 + $1,107,143
$1,550,000
2013
$16,872 (+11.0%)
$442,857 + $1,107,143
$1,550,000
2012
$15,199 (−2.5%)
$423,285 + $1,058,215
$1,481,500
2011
$15,582 (−5.7%)
$384,285 + $960,715
$1,345,000
2010
$16,519 (+0.9%)
$392,571 + $981,429
$1,374,000
2009
$16,378 (−54.5%)
$419,571 + $1,048,929
$1,468,500
2008
$35,966
$419,572 + $1,048,928
$1,468,500
Tax history for 1877 Castle Gate Rd
Year
Property tax
Land + Additions
Assessment*
2026
$24,404 (+2.4%)
$614,784 + $1,536,972
$2,151,756
2025
$23,841 (+1.4%)
$614,784 + $1,536,972
$2,151,756
2024
$23,521 (+2.5%)
$602,730 + $1,506,836
$2,109,566
2023
$22,953 (+2.4%)
$590,912 + $1,477,291
$2,068,203
2022
$22,425 (+2.8%)
$579,326 + $1,448,325
$2,027,651
2021
$21,808 (+0.7%)
$567,967 + $1,419,927
$1,987,894
2020
$21,648 (+2.8%)
$556,831 + $1,392,086
$1,948,917
2019
$21,053 (+4.0%)
$551,122 + $1,377,812
$1,928,934
2018
$20,246 (+0.6%)
$521,427 + $1,303,573
$1,825,000
2017
$20,121 (+4.3%)
$505,428 + $1,263,572
$1,769,000
2016
$19,284 (+5.3%)
$505,428 + $1,263,572
$1,769,000
2015
$18,318 (+3.1%)
$482,856 + $1,207,144
$1,690,000
2014
$17,763 (+5.3%)
$442,857 + $1,107,143
$1,550,000
2013
$16,872 (+11.0%)
$442,857 + $1,107,143
$1,550,000
2012
$15,199 (−2.5%)
$423,285 + $1,058,215
$1,481,500
2011
$15,582 (−5.7%)
$384,285 + $960,715
$1,345,000
2010
$16,519 (+0.9%)
$392,571 + $981,429
$1,374,000
2009
$16,378 (−54.5%)
$419,571 + $1,048,929
$1,468,500
2008
$35,966
$419,572 + $1,048,928
$1,468,500
*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
R20
Single-Family Residential District
The purpose of the Single-Family Residential Zoning District is to provide for single-family residential development that is consistent with the General Plan. The intent is to promote and encourage a suitable environment for family life. This would include those conditionally permitted uses that are generally an integral part of single-family residential neighborhoods and that are compatible with residential activities including parks, playgrounds, religious assembly, day care, and schools.
Permitted uses
Include but are not limited to:
Housing-Single unit
Housing-Senior
Infrastructure
Jul 9, 2016 • Final
Building new construction, additions, alterations or sign
Work on a single-family home.
New construction
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: SUBDIVISION 6719
Living Sq. Ft: 4,005
Ground Floor Sq. Ft: 1,917
Building Sq. Ft: 4,005
# of Stories: 2
Legal Description: T6719 L3
Parking & Garage Information
Garage/Parking Sq. Ft: 678
Lot Information
# of Buildings: 1
Land Sq. Ft: 20,473
Legal Lot Number: 3
Acres: 0.47
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 4.0
Sq. Ft.: 4,005
Stories: 2.0
Lot Size: 0.47 acres
Style: Single Family Residential
Year Built: 2000
Year Renovated: 2001
County: Contra Costa County
APN: 1845400033
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
$2.95M – $3.57M
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