Alameda County  »  21270 Sweet Ln

21270 Sweet Lane, Castro Valley, CA 94546 Property Information

21270 Sweet Lane, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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21270 Sweet Lane, Castro Valley, CA 94546
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Address

Primary address 21270 Sweet Lane, Castro Valley
Zip code 94546
County Alameda
Parcel ID 415-40-25

Sales & Tax Overview for 21270 Sweet Lane, Castro Valley

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

Sale date 11/30/2023
Sale price $837,000
Arm's length
Property tax $10,009

Lot & Building Information for 21270 Sweet Lane, Castro Valley

Building sqft 1,015
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.17
Units 1
Year built 1954
Stories 1
Bedrooms 3
Bathrooms 1
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Zoning, Use & Area Overview

Walk Score
52 /100. Somewhat Walkable
Transit Score
42 /100. Some Transit
Bike Score
45 /100. Somewhat Bikeable

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 21270 Sweet Lane, Castro Valley

Property reports include comprehensive occupancy, improvement and development information (where available).
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  • • Improvements for 21270 Sweet Lane, 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 21270 Sweet Lane, Castro Valley

What is the year built & the total sq. ft. for 21270 Sweet Lane, Castro Valley, CA 94546?

21270 Sweet Lane, Castro Valley, CA 94546 was built in 1954 and has a total of 1,015 square feet.

What is the assessed value of 21270 Sweet Lane, Castro Valley, CA 94546 and the property tax paid?

Assessed at $853,740, the tax amount paid for 21270 Sweet Lane, Castro Valley, CA 94546 is $10,009.

When was 21270 Sweet Lane, Castro Valley, CA 94546 last sold and what was the last sale price?

21270 Sweet Lane, Castro Valley, CA 94546 was last sold in 11/30/2023 for $837,000.

Ownership Information

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

Real Estate Reports:
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Q2 2026 saw NYC and Manhattan reach historic highs, with Brooklyn and Queens marking close to new records as well. Meanwhile, Hudson Yards remained at the top, Central Midtown posted its highest price ever and Carroll Gardens marked its third consecutive quarter over $2 million
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Laura Pop-Badiu, Jul 15, 2026 How to Find Property Owners — The Complete Guide 
For real estate professionals looking for the best ways to find property owners — whether through free methods based on public sources or paid tools with verified, in-depth data — this comprehensive guide breaks down every step of the due diligence process.
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Past Sales & Property History for 21270 Sweet Lane, Castro Valley

Create a free account to view the complete sales history for 21270 Sweet Lane, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
11/30/2023 $837,000
03/11/2022 $600,000
       
       
       
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More about Alameda County Property Records

Title Documents for 21270 Sweet Lane, 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
12/26/2023 Reconveyance
Substitution of trustee
11/30/2023 Deed of trust 12/01/2053
11/30/2023 Grant Deed
03/11/2022 Deed of trust 03/01/2052
03/11/2022 Interspousal Deed
03/11/2022 Grant Deed
12/30/2019 Trust Transfer Grant Deed
05/08/2019 Affidavit of Death
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R: Recorded date
D: Document date

Property Taxes for 21270 Sweet Lane, Castro Valley

Access detailed property tax data for 21270 Sweet Lane, 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 $10,009
Market value $853,740

More about Alameda County Property Taxes

Assessment History for 21270 Sweet Lane, Castro Valley

Here's the assessment & property tax history for 21270 Sweet Lane, 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 $853,740 1.1724 $10,009 +0.98%
2024-2025 $837,000 1.1842 $9,912 -1.58%
2023-2024 $644,000 1.5638 $10,071 +903.45%
2022-2023 $84,423 1.1888 $1,004 +0.77%
2021-2022 $82,769 1.2028 $996 +1.22%
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Permits for 21270 Sweet Lane, Castro Valley

The complete history of permits filed for 21270 Sweet Lane, 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
03/19/2025
09/23/2019
       
       
       
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Castro Valley residential market stats

Median Sale Price
$1,013,750
-2.9% YoY
Median Price/Sqft
$619
-9.8% YoY
Alameda County Median Sale Price
$955,000
-6.4% 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 21270 Sweet Lane, 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 21270 Sweet Lane, 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 (miles)
Strobridge Elementary School NR Public K-6 362 0.12
Crossroads Christian Elementary School NR Private K-6 0 0.37
The Montessori Giving Tree NR Private K-6 12 0.46
Castro Valley Elementary School 6 Public K-5 472 0.69
Liber Community School NR Private 4-12 0 0.74
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Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Liber Community School NR Private 4-12 0 0.74
Our Lady Of Grace School NR Private K-8 218 0.81
Special Education-Preschool-Laurel NR Public 1 0.92
Knowledge Enlightens You (Key) Academy 5 Charter K-8 614 1.12
Anchor Education, Inc. School NR Private 3-12 0 1.14
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Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Liber Community School NR Private 4-12 0 0.74
Special Education-Preschool-Laurel NR Public 1 0.92
Anchor Education, Inc. School NR Private 3-12 0 1.14
Anchor Education, Inc. NR Private 3-12 18 1.15
Sterling West San Francisco Campus NR Private 3-11 27 1.15
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Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 21270 Sweet Lane, Castro Valley

Here are the neighbors for 21270 Sweet Lane, Castro Valley.

Address Square feet Purchase date Purchase price
21235 Tyee St, Castro Valley 1,016 02/01/2019 $705,000
21278 Sweet Ln, Castro Valley 2,514 10/01/2021
1796 Strobridge Ave, Castro Valley
1869 Strobridge Ave, Castro Valley 2,302 08/20/2021 $122,500
1854 Strobridge Ave, Castro Valley
1875 Strobridge Ave, Castro Valley 2,214
21267 Hobert St, Castro Valley 1,016 11/24/2014 $371,000
1861 Strobridge Ave, Castro Valley 1,255 08/22/2008 $320,000
1883 Strobridge Ave, Castro Valley 2,214
21295 Sweet Ln, Castro Valley 1,088 01/06/2005 $390,000
21271 Sweet Ln, Castro Valley 910 03/14/2013
1886 Strobridge Ave, Castro Valley
21325 Hobert St, Castro Valley 1,166 02/05/2008
21028 Gary Dr, Castro Valley 4,608 09/07/2016
21221 Tyee St, Castro Valley
21286 Sweet Ln, Castro Valley 996 02/20/2003
21294 Sweet Ln, Castro Valley 1,437 10/12/2017 $610,000
21347 Hobert St, Castro Valley 1,166 08/24/1998 $212,500
1853 Strobridge Ave, Castro Valley
21001 Gary Dr, Castro Valley
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Nearby ZIP Codes for 21270 Sweet Lane, Castro Valley

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