Alameda County  »  21324 Kahlert St

21324 Kahlert Street, Castro Valley, CA 94546 Property Information

21324 Kahlert Street, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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21324 Kahlert Street, Castro Valley, CA 94546
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Address

Primary address 21324 Kahlert Street, Castro Valley
Zip code 94546
County Alameda
Parcel ID 415-50-112

Sales & Tax Overview for 21324 Kahlert 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 05/30/2001
Sale price $315,000
Arm's length
Property tax $5,564

Lot & Building Information for 21324 Kahlert Street, Castro Valley

Building sqft 1,176
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.12
Units 1
Year built 1957
Stories 1
Bedrooms 3
Bathrooms 1
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Single Family Residential (R1-CSU-RV)
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 21324 Kahlert Street, Castro Valley

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  • • Improvements for 21324 Kahlert Street, Castro Valley , including their type, square footage, grade and when they were built.
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About 21324 Kahlert Street, Castro Valley

What is the year built & the total sq. ft. for 21324 Kahlert Street, Castro Valley, CA 94546?

21324 Kahlert Street, Castro Valley, CA 94546 was built in 1957 and has a total of 1,176 square feet.

What is the assessed value of 21324 Kahlert Street, Castro Valley, CA 94546 and the property tax paid?

Assessed at $474,618, the tax amount paid for 21324 Kahlert Street, Castro Valley, CA 94546 is $5,564.

When was 21324 Kahlert Street, Castro Valley, CA 94546 last sold and what was the last sale price?

21324 Kahlert Street, Castro Valley, CA 94546 was last sold in 05/30/2001 for $315,000.

Ownership Information

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Real Estate Reports:
Lucian Alixandrescu, May 27, 2026 NYC Office Market Ahead of National Curve: Manhattan Q1 Vacancy Drops to 13.1% 
New York City’s office market outpaced the U.S. on several major metrics in Q1, with Manhattan vacancy nearly 5 percentage points below the national benchmark, asking rents climbing against a downward national trend and flex inventory crossing 15 million square feet.
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
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.
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Past Sales & Property History for 21324 Kahlert Street, Castro Valley

Create a free account to view the complete sales history for 21324 Kahlert Street, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
05/30/2001 $315,000
05/13/1999 $217,000
11/01/1991 $199,000
       
       
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*Here are the three most recent sales for this property.


Title Documents for 21324 Kahlert 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
05/30/2001 Deed
05/13/1999 Deed
10/07/1998 Deed
11/01/1991 Deed
               
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R: Recorded date
D: Document date

Property Taxes for 21324 Kahlert Street, Castro Valley

Access detailed property tax data for 21324 Kahlert 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 $5,564
Market value $474,618

Assessment History for 21324 Kahlert Street, Castro Valley

Here's the assessment & property tax history for 21324 Kahlert 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 $474,618 1.1724 $5,564 +0.98%
2024-2025 $465,314 1.1842 $5,510 -22.76%
2023-2024 $456,191 1.5638 $7,134 +34.17%
2022-2023 $447,248 1.1888 $5,317 +0.81%
2021-2022 $438,480 1.2028 $5,274 +1.17%

Permits for 21324 Kahlert Street, Castro Valley

The complete history of permits filed for 21324 Kahlert 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
05/17/2018
       
       
       
       
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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 21324 Kahlert 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 21324 Kahlert 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 0.24
The Montessori Giving Tree NR Private K-6 12 0.29
Crossroads Christian Elementary School NR Private K-6 0 0.56
Vita Academy NR Private 1-6 0 0.67
Liber Community School NR Private 4-12 0 0.69

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Liber Community School NR Private 4-12 0 0.69
Special Education-Preschool-Laurel NR Public 1 0.74
Our Lady Of Grace School NR Private K-8 218 0.87
Stellar Preparatory High School NR Private 9 0 1.01
Faith Ringgold School of Arts and Science 1 Public K-8 111 1.03

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Liber Community School NR Private 4-12 0 0.69
Special Education-Preschool-Laurel NR Public 1 0.74
Stellar Preparatory High School NR Private 9 0 1.01
Stellar Preparatory High School NR Private 9-11 26 1.11
Castro Valley High School 9 Public 9-12 2,799 1.24

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

Neighbors for 21324 Kahlert Street, Castro Valley

Here are the neighbors for 21324 Kahlert Street, Castro Valley.

Address Square feet Purchase date Purchase price
21453 Orange Ave, Castro Valley 1,407 11/17/2005
21465 Orange Ave, Castro Valley 3,247 12/01/2015
21479 Orange Ave, Castro Valley 1,891 03/05/2020
21274 Kahlert St, Castro Valley 836 05/03/2024
21463 Orange Ave, Castro Valley 1,022 02/15/2023 $785,000
21471 Orange Ave, Castro Valley 1,830 01/16/2024
21445 Outlook CT, Castro Valley 1,392 03/17/2021 $828,500
2052 Vivian St, Castro Valley 3,394 08/26/2009 $510,000
2044 Vivian St, Castro Valley 800 11/27/2024 $825,000
21227 Orange Ave, Castro Valley 1,352 02/10/2014 $430,000
2091 Strobridge Ave, Castro Valley 1,791 06/29/2016 $519,000
21330 Kahlert St, Castro Valley 1,385 09/23/2024
21238 Kahlert St, Castro Valley 1,452 06/03/2022 $226,500
2025 Vivian St, Castro Valley 950 09/05/2019 $625,000
21266 Kahlert St, Castro Valley 1,040 11/01/2006
21233 Orange Ave, Castro Valley 996 05/29/2024
2060 Vivian St, Castro Valley 1,300 06/26/2009 $150,000
21475 Orange Ave, Castro Valley 1,485 03/04/2021
21246 Kahlert St, Castro Valley 1,131 08/06/2020
2037 Vivian St, Castro Valley 1,242

Nearby ZIP Codes for 21324 Kahlert Street, Castro Valley

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