Alameda County » 21242 Hobert St

21242 Hobert Street, Castro Valley, CA 94546 Property Information

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Address

Primary address	21242 Hobert Street, Castro Valley
Zip code	94546
County	Alameda

Parcel ID	415-40-83

Sales & Tax Overview for 21242 Hobert 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	08/12/1993
Sale price	$152,000

Arm's length	Register
Current property tax	$2,947

Lot & Building Information for 21242 Hobert Street, Castro Valley

Building sqft	1,016
Building class	Single Family Residential Homes Used as Such (1100)
Acreage	0.11
Units	1
Year built	1947
Stories	1
Bedrooms	2
Bathrooms	1

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 21242 Hobert Street, Castro Valley

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• Improvements for 21242 Hobert Street, Castro Valley , including their type, square footage, grade and when they were built.

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About 21242 Hobert Street, Castro Valley

What is the year built & the total sq. ft. for 21242 Hobert Street, Castro Valley, CA 94546?

21242 Hobert Street, Castro Valley, CA 94546 was built in 1947 and has a total of 1,016 square feet.

What is the assessed value of 21242 Hobert Street, Castro Valley, CA 94546 and the property tax paid?

Assessed at $258,338, the tax amount paid for 21242 Hobert Street, Castro Valley, CA 94546 is $3,028.

When was 21242 Hobert Street, Castro Valley, CA 94546 last sold?

21242 Hobert Street, Castro Valley, CA 94546 was last sold in 06/01/2018.

Ownership Information

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Commercial Real Estate nearby

Real Estate Reports:

Lucian Alixandrescu, Jul 28, 2026 Brooklyn Emerges as NYC’s Coworking Growth Engine, Manhattan Rents Cross $100 in the Plaza District

New York City’s office market continued to lead the U.S. in Q2, but internal shifts were most visible in the flex office market. Brooklyn’s coworking inventory grew 6.2% Q-o-Q even as Manhattan’s supply retreated. At the same time, Brooklyn’s asking rents for traditional office leases climbed more than twice as fast as the national average.

Eliza Theiss, Jul 22, 2026 Prices Rise in 32 of NYC’s Leading Neighborhoods as City and Manhattan Hit Record Highs

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

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 21242 Hobert Street, Castro Valley

Create a free account to view the complete sales history for 21242 Hobert Street, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date	Purchase price	Buyer name	Seller name
08/12/1993	$152,000	Register	Register

More about Alameda County Property Records

Title Documents for 21242 Hobert Street, Castro Valley

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R: Recorded date
D: Document date

Property Taxes for 21242 Hobert Street, Castro Valley

Access detailed property tax data for 21242 Hobert 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	$3,029
Current property tax	$2,947

Market value	$258,338

More about Alameda County Property Taxes

Assessment History for 21242 Hobert Street, Castro Valley

Here's the assessment & property tax history for 21242 Hobert 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	$258,338	1.1724	$3,029	+0.98%
2024-2025	$253,274	1.1842	$2,999	-22.76%
2023-2024	$248,308	1.5638	$3,883	+34.17%
2022-2023	$243,440	1.1888	$2,894	+0.80%
2021-2022	$238,667	1.2028	$2,871	+1.18%

Permits for 21242 Hobert Street, Castro Valley

The complete history of permits filed for 21242 Hobert 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.

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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 21242 Hobert 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)	0.2, X (See more on map)
Fire hazard zone	See more on map
Faults and tsunami inundation zone map	Register
Landslides and liquefaction map	Register

Transportation

Access the detailed traffic volume map for 21242 Hobert 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 (miles)
Strobridge Elementary School	NR	Public	K-6	362	0.20
Crossroads Christian Elementary School	NR	Private	K-6	0	0.42
The Montessori Giving Tree	NR	Private	K-6	12	0.44
Castro Valley Elementary School	6	Public	K-5	472	0.64
Our Lady Of Grace School	NR	Private	K-8	218	0.76

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Our Lady Of Grace School	NR	Private	K-8	218	0.76
Liber Community School	NR	Private	4-12	0	0.78
Special Education-Preschool-Laurel	NR	Public		1	0.86
Anchor Education, Inc. School	NR	Private	3-12	0	1.12
Anchor Education, Inc.	NR	Private	3-12	18	1.13

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Liber Community School	NR	Private	4-12	0	0.78
Special Education-Preschool-Laurel	NR	Public		1	0.86
Anchor Education, Inc. School	NR	Private	3-12	0	1.12
Anchor Education, Inc.	NR	Private	3-12	18	1.13
Sterling West San Francisco Campus	NR	Private	3-11	27	1.13

Neighbors for 21242 Hobert Street, Castro Valley

Here are the neighbors for 21242 Hobert Street, Castro Valley.

Address	Square feet	Purchase date	Purchase price
21441 Lake Chabot Rd, Castro Valley	834	05/20/2019	$630,000
21487 Lake Chabot Rd, Castro Valley	1,104	09/25/2013	$425,000
21338 Tyee St, Castro Valley	1,016	10/05/2023
21413 Lake Chabot Rd, Castro Valley	1,104	04/23/2024
21423 Tanglewood Dr, Castro Valley	1,505	10/05/1995	$210,000
21322 Tyee St, Castro Valley	1,016	10/25/2021
21346 Tyee St, Castro Valley	1,185	11/12/2021
21301 Hobert St, Castro Valley	1,486	08/12/1998	$205,000
21243 Kahlert St, Castro Valley	865	12/12/2014	$362,000
21407 Tanglewood Dr, Castro Valley	1,779	11/18/2019	$830,000
21315 Outlook CT, Castro Valley	1,430	08/05/2020	$800,000
21450 Outlook CT, Castro Valley	1,460
21427 Lake Chabot Rd, Castro Valley	1,148	02/24/2006
21401 Tanglewood Dr, Castro Valley	1,557	09/19/2006	$655,000
21323 Lake Chabot Rd, Castro Valley	1,996	11/01/2019	$745,000
21456 Outlook CT, Castro Valley	1,389	02/28/2022	$1,025,000
21332 Outlook CT, Castro Valley	1,875	04/20/2023	$1,170,000
21355 Lake Chabot Rd, Castro Valley	1,564	02/13/2003
21220 Tyee St, Castro Valley
21228 Tyee St, Castro Valley

Nearby ZIP Codes for 21242 Hobert Street, Castro Valley

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Date	Type	Amount	Party 1	Party 2	Maturity	Document	Doc image
06/01/2018	Grant Deed
08/12/1993	Deed

Issued	Permit	Type	Status
07/17/2023