Alameda County  »  18989 California St

18989 California Street, Castro Valley, CA 94546 Property Information

18989 California Street, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Photo & Map Show Hide

18989 California Street, Castro Valley, CA 94546
static Mapbox map

Address

Primary address 18989 California Street, Castro Valley
Zip code 94546
County Alameda
Parcel ID 84D-1351-14

Sales & Tax Overview for 18989 California Street, Castro Valley

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

Current property tax $1,276

Lot & Building Information for 18989 California Street, Castro Valley

Building sqft 1,699
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.17
Units 1
Year built 1956
Stories 1
Bedrooms 3
Bathrooms 2
Unlock this property report with a free account.

Access up-to-date information from property owner names to sales history, tax info, title documents, mortgages, development, maps, permits and more.
Sign Up Now

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 18989 California Street, Castro Valley

Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:

  • • Improvements for 18989 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).
Unlock all property data with a free account.
Sign up

About 18989 California Street, Castro Valley

What is the year built & the total sq. ft. for 18989 California Street, Castro Valley, CA 94546?

18989 California Street, Castro Valley, CA 94546 was built in 1956 and has a total of 1,699 square feet.

What is the assessed value of 18989 California Street, Castro Valley, CA 94546 and the property tax paid?

Assessed at $115,233, the tax amount paid for 18989 California Street, Castro Valley, CA 94546 is $1,341.

When was 18989 California Street, Castro Valley, CA 94546 last sold?

18989 California Street, Castro Valley, CA 94546 was last sold in 01/26/1998.

Ownership Information

View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.

Real Estate Reports:
Laura Pop-Badiu, Apr 09, 2026 How to Do a Title Search on Property Yourself: A Step-by-Step Online GuideĀ 
A property title search is the process of reviewing public records to confirm who legally owns a property and whether there are any liens, mortgages or legal claims attached to it. Explore our step-by-step guide explaining how you can perform a title search yourself. 
Laura Pop-Badiu, Mar 31, 2026 Property Owners Map: How to See Ownership Details and Parcel Lines
If you’re trying to find property owners by map, evaluate nearby parcels or understand how properties connect, a map-based approach makes the process faster, clearer and more intuitive.
Eliza Theiss, Mar 19, 2026 Cheaper in the City? Nearly 100 Communities in Suburban NYC Surpass $1M
New Yorkers planning a move to the suburbs increasingly find their options limited, after suburban home values shot up twice as fast as NYC medians over the last decade. While larger homes and better prices were long the norm outside the five boroughs, today, many NYC buyers find their option restricted to a handful of suburban markets.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
  • 20+ years of real estate experience
Learn More

Past Sales & Property History for 18989 California Street, Castro Valley

Create a free account to view the complete sales history for 18989 California Street, Castro Valley, including title documents, transfer conditions, mortgages and liens.

No recorded sales for this property.

Title Documents for 18989 California Street, Castro Valley

To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.

Date Type Amount Party 1 Party 2 Maturity Document Doc image
01/26/1998 Deed
               
               
               
               
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 18989 California Street, Castro Valley

Access detailed property tax data for 18989 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 $1,341
Current property tax $1,276
Market value $115,233

Assessment History for 18989 California Street, Castro Valley

Here's the assessment & property tax history for 18989 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 $115,233 1.164 $1,341 +0.69%
2024-2025 $112,974 1.1791 $1,332 -48.84%
2023-2024 $110,759 2.3508 $2,604 +101.36%
2022-2023 $108,588 1.1908 $1,293 +2.54%
2021-2022 $106,458 1.1848 $1,261 +2.26%

Permits for 18989 California Street, Castro Valley

The complete history of permits filed for 18989 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.

Data not available for this property.

Castro Valley residential market stats

Median Sale Price
$1,042,500
-3.4% YoY
Median Price/Sqft
$652
-4.7% YoY
Alameda County Median Sale Price
$1,020,000
-4.2% 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 18989 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 18989 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 0.18
Redwood Christian Elementary School NR Private K-5 282 0.22
Alma Preschool NR Public 52 0.26
Castro Valley Adult And Career Education NR Public 0 0.30
Our Lady Of Grace School NR Private K-8 218 0.61

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Redwood Christian Schools NR Private K-12 706 0.18
Alma Preschool NR Public 52 0.26
Castro Valley Adult And Career Education NR Public 0 0.30
Our Lady Of Grace School NR Private K-8 218 0.61
Anchor Education, Inc. NR Private 3-12 18 0.70

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Castro Valley High School 9 Public 9-12 2,799 0.17
Redwood Christian Schools NR Private K-12 706 0.18
Alma Preschool NR Public 52 0.26
Castro Valley Adult And Career Education NR Public 0 0.30
Anchor Education, Inc. NR Private 3-12 18 0.70

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

Neighbors for 18989 California Street, Castro Valley

Here are the neighbors for 18989 California Street, Castro Valley.

Address Square feet Purchase date Purchase price
18929 Patton Dr, Castro Valley 786 03/29/2013 $309,000
18921 Patton Dr, Castro Valley 860 03/21/2022 $916,000
18968 Patton Dr, Castro Valley 1,234 03/03/2023
18929 Thornbury Ave, Castro Valley 1,984 08/26/2014 $638,000
18956 Patton Dr, Castro Valley 994 09/12/2013 $410,000
4180 Wilson Ave, Castro Valley 840
4274 Nando CT, Castro Valley 1,545 02/26/2025
4053 Milton Ave, Castro Valley 1,940 10/11/2023 $1,200,000
18901 Patton Dr, Castro Valley 986 12/24/2009 $355,000
18960 California St, Castro Valley 1,396 02/21/2023 $988,500
4341 Elvira Pl, Castro Valley 4,704 01/13/2003
18815 Lenross CT, Castro Valley 906 11/06/2014
4339 Ferdinanda Pl, Castro Valley 4,704 01/13/2003
18857 California St, Castro Valley 1,344 11/30/1988 $200,000
4285 Seven Hills Rd, Castro Valley 1,564 06/08/2005 $702,127
4238 Nando CT, Castro Valley 1,545 08/01/2022 $1,308,000
4226 Nando CT, Castro Valley 1,949
4263 Nando CT, Castro Valley 2,139 12/21/1990 $260,000
4088 Wilson Ave, Castro Valley 1,068
4037 Milton Ave, Castro Valley 2,117 09/17/2003

Nearby ZIP Codes for 18989 California Street, Castro Valley

Not sure if we cover all the data-points you need? View sample full report View sample full report