Alameda County  »  21406 Oak St

21406 Oak Street, Castro Valley, CA 94546 Property Information

21406 Oak Street, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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21406 Oak Street, Castro Valley, CA 94546
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Address

Primary address 21406 Oak Street, Castro Valley
Zip code 94546
County Alameda
Parcel ID 415-160-14

Sales & Tax Overview for 21406 Oak Street, Castro Valley

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

Property tax $1,485

Lot & Building Information for 21406 Oak Street, Castro Valley

Building class Vacant Residential Land, Zoned 4 Units or Less (1000)
Acreage 0.17
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Multiple Residential (R4)
School district Hayward Unif SCH

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

Other Property Data for 21406 Oak Street, Castro Valley

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  • • Improvements for 21406 Oak Street, Castro Valley , including their type, square footage, grade and when they were built.
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About 21406 Oak Street, Castro Valley

What is the market value of 21406 Oak Street, Castro Valley, CA 94546?

The current market value is $126,626.

Ownership Information

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Past Sales & Property History for 21406 Oak Street, Castro Valley

Create a free account to view the complete sales history for 21406 Oak Street, Castro Valley, including title documents, transfer conditions, mortgages and liens.

No recorded sales for this property.

Title Documents for 21406 Oak Street, Castro Valley

Data not available for this property.

Property Taxes for 21406 Oak Street, Castro Valley

Access detailed property tax data for 21406 Oak Street, Castro Valley, CA 94546. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $1,485
Market value $126,626

Assessment History for 21406 Oak Street, Castro Valley

Here's the assessment & property tax history for 21406 Oak 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 $126,626 1.1724 $1,485 +0.98%
2024-2025 $124,143 1.1842 $1,470 -22.76%
2023-2024 $121,710 1.5638 $1,903 +34.18%
2022-2023 $119,323 1.1888 $1,419 +0.82%
2021-2022 $116,985 1.2028 $1,407 +1.16%

Permits for 21406 Oak Street, Castro Valley

The complete history of permits filed for 21406 Oak 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
$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 21406 Oak 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 21406 Oak 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)
Strobridge Elementary School NR Public K-6 362 0.20
Crossroads Christian Elementary School NR Private K-6 0 0.48
Liber Community School NR Private 4-12 0 0.49
The Montessori Giving Tree NR Private K-6 12 0.50
Knowledge Enlightens You (Key) Academy 5 Charter K-8 614 0.80

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Liber Community School NR Private 4-12 0 0.49
Knowledge Enlightens You (Key) Academy 5 Charter K-8 614 0.80
Hayward Adult NR Public 0 0.98
Special Education-Preschool-Laurel NR Public 1 1.10
Our Lady Of Grace School NR Private K-8 218 1.12

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Liber Community School NR Private 4-12 0 0.49
Hayward Adult NR Public 0 0.98
Stellar Preparatory High School NR Private 9-11 26 1.00
Brenkwitz High School 2 Public 9-12 179 1.01
Special Education-Preschool-Laurel NR Public 1 1.10

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

Neighbors for 21406 Oak Street, Castro Valley

Here are the neighbors for 21406 Oak Street, Castro Valley.

Address Square feet Purchase date Purchase price
1536 Knox St, Castro Valley 05/24/1991 $60,000
22377 N 4th St, Castro Valley 1,194 06/22/2022
1551 Knox St, Castro Valley 2,099 02/06/2017
21694 Shadyspring Rd, Castro Valley 2,456 11/06/2024 $1,265,000
1945 Leila St, Castro Valley 990 11/07/2018
22295 N 3rd St, Castro Valley
1796 Knox St, Castro Valley 1,751 07/06/2023
1777 Knox St, Castro Valley 1,272 10/07/2005 $616,000
1569 Knox St, Castro Valley 897 07/16/2024
21438 Oak St, Castro Valley 1,120
1788 Knox St, Castro Valley 1,456 05/06/2003 $125,000
1772 Knox St, Castro Valley 941 01/16/2004
1636 Crescent Ave, Castro Valley 2,542 12/31/2001 $52,500
22200 N 3rd St, Castro Valley 05/24/1991 $60,000
1765 Knox St, Castro Valley 1,344 08/18/2003
1672 Crescent Ave, Castro Valley 2,184 01/22/1996 $255,000
1969 Leila St, Castro Valley 1,200 06/29/2021
1683 Knox St, Castro Valley 828 06/10/1996 $146,000
1629 Knox St, Castro Valley 1,494 10/01/2018 $782,000
1587 Knox St, Castro Valley 1,863 11/06/2017 $727,000

Nearby ZIP Codes for 21406 Oak Street, Castro Valley

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