Alameda County  »  18864 California St

18864 California Street, Castro Valley, CA 94546 Property Information

18864 California Street, Castro Valley, CA 94546 Property Information

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  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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18864 California Street, Castro Valley, CA 94546
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Address

Primary address 18864 California Street, Castro Valley
Zip code 94546
County Alameda
Parcel ID 84D-1352-2

Sales & Tax Overview for 18864 California Street, Castro Valley

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 04/19/1996
Sale price $232,500
Arm's length
Current property tax $4,414

Lot & Building Information for 18864 California Street, Castro Valley

Building sqft 1,564
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.14
Units 1
Year built 1954
Stories 1
Bedrooms 3
Bathrooms 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Single Family Residential (R1-CSU-RV)
School district Castro Vly Unif SCH

View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 18864 California Street, Castro Valley

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  • • Improvements for 18864 California Street, Castro Valley , including their type, square footage, grade and when they were built.
  • Development maps such as planimetric, zoning, land use and urban landscape maps (building age and stories).
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About 18864 California Street, Castro Valley

What is the year built & the total sq. ft. for 18864 California Street, Castro Valley, CA 94546?

18864 California Street, Castro Valley, CA 94546 was built in 1954 and has a total of 1,564 square feet.

What is the assessed value of 18864 California Street, Castro Valley, CA 94546 and the property tax paid?

Assessed at $386,218, the tax amount paid for 18864 California Street, Castro Valley, CA 94546 is $4,495.

When was 18864 California Street, Castro Valley, CA 94546 last sold?

18864 California Street, Castro Valley, CA 94546 was last sold in 11/18/2020.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
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Past Sales & Property History for 18864 California Street, Castro Valley

Create a free account to view the complete sales history for 18864 California Street, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
04/19/1996 $232,500

Title Documents for 18864 California Street, Castro Valley

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Date Type Amount Party 1 Party 2 Maturity Document Doc image
05/07/2021 Reconveyance
04/30/2021 Deed of trust 05/01/2036
11/18/2020 Deed of trust 12/01/2050
11/18/2020 Grant Deed
04/07/2015 Reconveyance
03/25/2013 Deed of Trust 04/01/2043
03/25/2013 Subordination (Deed of Trust)
03/25/2013 Grant Deed
08/11/2003 Deed
04/19/1996 Deed
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R: Recorded date
D: Document date

Property Taxes for 18864 California Street, Castro Valley

Access detailed property tax data for 18864 California Street, Castro Valley, CA 94546. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Base tax $4,496
Current property tax $4,414
Market value $386,218

Assessment History for 18864 California Street, Castro Valley

Here's the assessment & property tax history for 18864 California Street, Castro Valley, including the evolution of the total tax rate and corresponding property tax.

Year Assessment value Total tax rate Property tax Year over year change
2025-2026 $386,218 1.164 $4,496 +0.69%
2024-2025 $378,646 1.1791 $4,465 -48.84%
2023-2024 $371,222 2.3508 $8,727 +101.36%
2022-2023 $363,946 1.1908 $4,334 +2.53%
2021-2022 $356,809 1.1848 $4,227 +2.28%

Permits for 18864 California Street, Castro Valley

The complete history of permits filed for 18864 California Street, Castro Valley, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.

Issued Permit Type Status
12/04/2019
08/29/2018
       
       
       
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Castro Valley residential market stats

Median Sale Price
$989,000
-8.4% YoY
Median Price/Sqft
$669
3.4% YoY
Alameda County Median Sale Price
$965,000
-7.1% YoY

Access a detailed real estate market overview of Castro Valley so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Castro Valley and compare it to other neighborhoods in Alameda County.

Check out recently sold homes in Castro-Valley and see how their prices compare.

Risk

Create a free account to unlock extended information for 18864 California Street, Castro Valley, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).

FEMA flood zone(s) X (See more on map)
Fire hazard zone See more on map
Faults and tsunami inundation zone map
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 18864 California Street, Castro Valley to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

View daily traffic map

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Redwood Christian Schools NR Private K-12 706 0.17
Alma Preschool NR Public 52 0.23
Redwood Christian Elementary School NR Private K-5 282 0.24
Castro Valley Adult And Career Education NR Public 0 0.27
Proctor Elementary School 8 Public K-5 584 0.58

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Redwood Christian Schools NR Private K-12 706 0.17
Alma Preschool NR Public 52 0.23
Castro Valley Adult And Career Education NR Public 0 0.27
Our Lady Of Grace School NR Private K-8 218 0.67
Anchor Education, Inc. NR Private 3-12 18 0.74

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Redwood Christian Schools NR Private K-12 706 0.17
Alma Preschool NR Public 52 0.23
Castro Valley High School 9 Public 9-12 2,799 0.24
Castro Valley Adult And Career Education NR Public 0 0.27
Anchor Education, Inc. NR Private 3-12 18 0.74

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 18864 California Street, Castro Valley

Here are the neighbors for 18864 California Street, Castro Valley.

Address Square feet Purchase date Purchase price
18840 California St, Castro Valley 1,564 11/19/2025
18834 California St, Castro Valley 1,564 11/02/2020
18950 Patton Dr, Castro Valley 1,563 09/09/2020
4172 Wilson Ave, Castro Valley 1,579 01/02/2001
4291 Seven Hills Rd, Castro Valley 2,640 03/26/2014
18453 Magee Way, Castro Valley 1,391 05/20/2016
4148 Wilson Ave, Castro Valley 1,104 03/06/2023
4315 Seven Hills Rd, Castro Valley 1,536 04/03/2015
18828 California St, Castro Valley 1,562 04/06/2023
19144 Mayberry Dr, Castro Valley 1,208
4309 Seven Hills Rd, Castro Valley 1,574
4164 Wilson Ave, Castro Valley 1,680 09/18/2020
4140 Wilson Ave, Castro Valley 3,445 08/03/2006
4279 Seven Hills Rd, Castro Valley 1,296 09/11/2023
18833 California St, Castro Valley 1,484 08/06/2020
18875 California St, Castro Valley 1,924 11/21/2019
19229 Almond Rd, Castro Valley 1,093 03/05/2013
18929 California St, Castro Valley 2,638 05/23/2014 $835,000
4082 Wilson Ave, Castro Valley 1,806 11/20/2020
18863 California St, Castro Valley 1,790 07/20/2020

Nearby ZIP Codes for 18864 California Street, Castro Valley

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