Alameda County  »  21266 Kahlert St

21266 Kahlert Street, Castro Valley, CA 94546 Property Information

21266 Kahlert 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

21266 Kahlert Street, Castro Valley, CA 94546
static Mapbox map

Address

Primary address 21266 Kahlert Street, Castro Valley
Zip code 94546
County Alameda
Parcel ID 415-50-88

Sales & Tax Overview for 21266 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 11/25/2003
Sale price $369,000
Arm's length
Current property tax $3,378

Lot & Building Information for 21266 Kahlert Street, Castro Valley

Building sqft 1,040
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.12
Units 1
Year built 1950
Stories 1
Bedrooms 3
Bathrooms 1
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 Hayward Unif SCH

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

Other Property Data for 21266 Kahlert 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 21266 Kahlert 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 21266 Kahlert Street, Castro Valley

What is the year built & the total sq. ft. for 21266 Kahlert Street, Castro Valley, CA 94546?

21266 Kahlert Street, Castro Valley, CA 94546 was built in 1950 and has a total of 1,040 square feet.

What is the assessed value of 21266 Kahlert Street, Castro Valley, CA 94546 and the property tax paid?

Assessed at $295,157, the tax amount paid for 21266 Kahlert Street, Castro Valley, CA 94546 is $3,460.

When was 21266 Kahlert Street, Castro Valley, CA 94546 last sold?

21266 Kahlert Street, Castro Valley, CA 94546 was last sold in 11/01/2006.

Ownership Information

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

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.
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 21266 Kahlert Street, Castro Valley

Create a free account to view the complete sales history for 21266 Kahlert Street, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
11/25/2003 $369,000
04/02/1999 $195,000
       
       
       
Access the complete sales history for 21266 Kahlert Street, Castro Valley with a free account.
Sign up

Title Documents for 21266 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
08/03/2022 Deed of trust
12/28/2020 Deed of trust 01/01/2051
06/30/2017 Deed of Trust 07/01/2047
06/30/2017 Subordination (Deed of Trust)
08/25/2014 Deed of Trust
05/21/2013 Deed of Trust 06/01/2043
11/01/2006 Deed
09/07/2005 Deed
11/25/2003 Deed
10/25/2002 Deed
Unlock title documents, including buyer and seller information (when available).
Sign up

R: Recorded date
D: Document date

Property Taxes for 21266 Kahlert Street, Castro Valley

Access detailed property tax data for 21266 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
Base tax $3,460
Current property tax $3,378
Market value $295,157

Assessment History for 21266 Kahlert Street, Castro Valley

Here's the assessment & property tax history for 21266 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 $295,157 1.1724 $3,460 +0.98%
2024-2025 $289,371 1.1842 $3,427 -22.76%
2023-2024 $283,698 1.5638 $4,436 +34.18%
2022-2023 $278,135 1.1888 $3,306 +0.81%
2021-2022 $272,684 1.2028 $3,280 +1.17%

Permits for 21266 Kahlert Street, Castro Valley

The complete history of permits filed for 21266 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
08/29/2022
04/01/2019
01/23/2018
       
       
Unlock the permit history for 21266 Kahlert Street, Castro Valley with a free account.
Sign up

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 21266 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) AE (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 21266 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 0.26
The Montessori Giving Tree NR Private K-6 12 0.37
Crossroads Christian Elementary School NR Private K-6 0 0.52
Castro Valley Elementary School 6 Public K-5 472 0.64
Vita Academy NR Private 1-6 0 0.71

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Special Education-Preschool-Laurel NR Public 1 0.76
Our Lady Of Grace School NR Private K-8 218 0.78
Liber Community School NR Private 4-12 0 0.78
Stellar Preparatory High School NR Private 9 0 1.08
Faith Ringgold School of Arts and Science 1 Public K-8 111 1.11

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Special Education-Preschool-Laurel NR Public 1 0.76
Liber Community School NR Private 4-12 0 0.78
Stellar Preparatory High School NR Private 9 0 1.08
Castro Valley High School 9 Public 9-12 2,799 1.15
Anchor Education, Inc. School NR Private 3-12 0 1.17

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

Neighbors for 21266 Kahlert Street, Castro Valley

Here are the neighbors for 21266 Kahlert Street, Castro Valley.

Address Square feet Purchase date Purchase price
21324 Kahlert St, Castro Valley 1,176 05/30/2001 $315,000
21286 Kahlert St, Castro Valley 1,528 02/17/2023
21292 Kahlert St, Castro Valley 1,528 06/07/1990 $200,000
21326 Outlook CT, Castro Valley 1,431 03/21/2025
21274 Kahlert St, Castro Valley 836 05/03/2024
21298 Kahlert St, Castro Valley 1,767 09/20/1994 $225,000
2052 Vivian St, Castro Valley 3,394 08/26/2009 $510,000
21445 Outlook CT, Castro Valley 1,392 03/17/2021 $828,500
21462 Outlook CT, Castro Valley 1,300 08/19/2020
21429 Tanglewood Dr, Castro Valley 1,398 02/22/2001 $385,000
2044 Vivian St, Castro Valley 800 11/27/2024 $825,000
2025 Vivian St, Castro Valley 950 09/05/2019 $625,000
21238 Kahlert St, Castro Valley 1,452 06/03/2022 $226,500
21330 Kahlert St, Castro Valley 1,385 09/23/2024
2060 Vivian St, Castro Valley 1,300 06/26/2009 $150,000
21246 Kahlert St, Castro Valley 1,131 08/06/2020
2037 Vivian St, Castro Valley 1,242
21444 Outlook CT, Castro Valley 1,379 01/02/2020
21468 Outlook CT, Castro Valley 2,321 02/04/2021 $508,500
21413 Tanglewood Dr, Castro Valley 1,590 06/21/1991 $248,000

Nearby ZIP Codes for 21266 Kahlert Street, Castro Valley

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