Alameda County » 21318 Hobert St

21318 Hobert Street, Castro Valley, CA 94546 Property Information

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Address

Primary address	21318 Hobert Street, Castro Valley
Zip code	94546
County	Alameda

Parcel ID	415-40-73

Sales & Tax Overview for 21318 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	09/09/2019
Sale price	$685,000

Arm's length	Register
Property tax	$8,783

Lot & Building Information for 21318 Hobert Street, Castro Valley

Building sqft	1,743
Building class	Single Family Residential Homes Used as Such (1100)
Acreage	0.11
Units	1
Year built	1947
Stories	1
Bedrooms	3
Bathrooms	2

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 21318 Hobert Street, Castro Valley

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• Improvements for 21318 Hobert Street, Castro Valley , including their type, square footage, grade and when they were built.

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About 21318 Hobert Street, Castro Valley

What is the year built & the total sq. ft. for 21318 Hobert Street, Castro Valley, CA 94546?

21318 Hobert Street, Castro Valley, CA 94546 was built in 1947 and has a total of 1,743 square feet.

What is the assessed value of 21318 Hobert Street, Castro Valley, CA 94546 and the property tax paid?

Assessed at $749,136, the tax amount paid for 21318 Hobert Street, Castro Valley, CA 94546 is $8,782.

When was 21318 Hobert Street, Castro Valley, CA 94546 last sold?

21318 Hobert Street, Castro Valley, CA 94546 was last sold in 12/27/2022.

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 21318 Hobert Street, Castro Valley

Create a free account to view the complete sales history for 21318 Hobert Street, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date	Purchase price	Buyer name	Seller name
09/09/2019	$685,000	Register	Register

More about Alameda County Property Records

Title Documents for 21318 Hobert 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	Maturity
12/27/2022	Deed of trust
12/27/2022	Grant Deed
05/12/2021	Deed of trust	06/01/2051
05/12/2021	Grant Deed
09/23/2019	Reconveyance
09/09/2019	Deed of Trust	10/01/2049
09/09/2019	Grant Deed
09/09/2019	Affidavit of Death
06/05/2014	Reconveyance
05/20/2014	Deed of Trust	06/01/2044

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R: Recorded date
D: Document date

Property Taxes for 21318 Hobert Street, Castro Valley

Access detailed property tax data for 21318 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
Property tax	$8,783

Market value	$749,136

More about Alameda County Property Taxes

Assessment History for 21318 Hobert Street, Castro Valley

Here's the assessment & property tax history for 21318 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	$749,136	1.1724	$8,783	+0.98%
2024-2025	$734,449	1.1842	$8,697	-22.76%
2023-2024	$720,050	1.5638	$11,260	+34.17%
2022-2023	$705,933	1.1888	$8,392	+0.81%
2021-2022	$692,096	1.2028	$8,325	+1.18%

Permits for 21318 Hobert Street, Castro Valley

The complete history of permits filed for 21318 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.

Data not available for this property.

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 21318 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)	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 21318 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	0.15
The Montessori Giving Tree	NR	Private	K-6	12	0.36
Crossroads Christian Elementary School	NR	Private	K-6	0	0.47
Liber Community School	NR	Private	4-12	0	0.69
Castro Valley Elementary School	6	Public	K-5	472	0.73

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Liber Community School	NR	Private	4-12	0	0.69
Special Education-Preschool-Laurel	NR	Public		1	0.84
Our Lady Of Grace School	NR	Private	K-8	218	0.86
Stellar Preparatory High School	NR	Private	9	0	1.09
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 (miles)
Liber Community School	NR	Private	4-12	0	0.69
Special Education-Preschool-Laurel	NR	Public		1	0.84
Stellar Preparatory High School	NR	Private	9	0	1.09
Stellar Preparatory High School	NR	Private	9-11	26	1.14
Anchor Education, Inc. School	NR	Private	3-12	0	1.22

Neighbors for 21318 Hobert Street, Castro Valley

Here are the neighbors for 21318 Hobert Street, Castro Valley.

Address	Square feet	Purchase date	Purchase price
21229 Tyee St, Castro Valley
21235 Tyee St, Castro Valley	1,016	02/01/2019	$705,000
21258 Hobert St, Castro Valley	1,016	04/07/2026
21291 Hobert St, Castro Valley	1,016	01/10/2001
21319 Tyee St, Castro Valley	1,533	11/01/2016
21310 Hobert St, Castro Valley	1,016	04/05/2019
21302 Hobert St, Castro Valley	1,770
21250 Hobert St, Castro Valley	1,223	01/05/2022	$968,000
21221 Hobert St, Castro Valley
21267 Tyee St, Castro Valley	1,016	01/24/2013
21280 Hobert St, Castro Valley	1,214	07/16/2021
1883 Strobridge Ave, Castro Valley	2,214
21325 Hobert St, Castro Valley	1,166	02/05/2008
21294 Hobert St, Castro Valley	1,509	01/13/2017	$625,000
21266 Hobert St, Castro Valley	1,166	03/20/2017
21295 Tyee St, Castro Valley	1,016	01/21/2022	$850,000
21275 Hobert St, Castro Valley	1,166	11/01/2002	$370,000
21286 Sweet Ln, Castro Valley	996	02/20/2003
21221 Tyee St, Castro Valley
21347 Hobert St, Castro Valley	1,166	08/24/1998	$212,500

Nearby ZIP Codes for 21318 Hobert Street, Castro Valley

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