Alameda County » 21047 Sherman Dr

21047 Sherman Drive, Castro Valley, CA 94552 Property Information

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Address

Primary address	21047 Sherman Drive, Castro Valley
Zip code	94552
County	Alameda

Parcel ID	85A-6414-109-1

Sales & Tax Overview for 21047 Sherman Drive, Castro Valley

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

Current property tax	$6,478

Lot & Building Information for 21047 Sherman Drive, Castro Valley

Building sqft	1,940
Building class	Single Family Residential - Planned Development Tract with Common Area (1800)
Acreage	0.1
Units	1
Year built	1998
Stories	2
Bedrooms	4
Bathrooms	2

Zoning, Use & Area Overview

Walk Score

Transit Score

Bike Score

Zoning district	Planned Development (PD-1815)
School district	Castro Vly Unif SCH

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

Other Property Data for 21047 Sherman Drive, Castro Valley

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• Improvements for 21047 Sherman Drive, Castro Valley , including their type, square footage, grade and when they were built.

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About 21047 Sherman Drive, Castro Valley

What is the year built & the total sq. ft. for 21047 Sherman Drive, Castro Valley, CA 94552?

21047 Sherman Drive, Castro Valley, CA 94552 was built in 1998 and has a total of 1,940 square feet.

What is the assessed value of 21047 Sherman Drive, Castro Valley, CA 94552 and the property tax paid?

Assessed at $563,552, the tax amount paid for 21047 Sherman Drive, Castro Valley, CA 94552 is $6,559.

When was 21047 Sherman Drive, Castro Valley, CA 94552 last sold?

21047 Sherman Drive, Castro Valley, CA 94552 was last sold in 07/02/2002.

Ownership Information

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Commercial Real Estate nearby

Real Estate Reports:

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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 21047 Sherman Drive, Castro Valley

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No recorded sales for this property.

More about Alameda County Property Records

Title Documents for 21047 Sherman Drive, Castro Valley

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R: Recorded date
D: Document date

Property Taxes for 21047 Sherman Drive, Castro Valley

Access detailed property tax data for 21047 Sherman Drive, Castro Valley, CA 94552. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year:	2025-2026
Base tax	$6,560
Current property tax	$6,478

Market value	$563,552

More about Alameda County Property Taxes

Assessment History for 21047 Sherman Drive, Castro Valley

Here's the assessment & property tax history for 21047 Sherman Drive, 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	$563,552	1.164	$6,560	+0.69%
2024-2025	$552,504	1.1791	$6,515	-48.84%
2023-2024	$541,674	2.3508	$12,734	+101.36%
2022-2023	$531,053	1.1908	$6,324	+2.51%
2021-2022	$520,641	1.1848	$6,169	+2.30%

Permits for 21047 Sherman Drive, Castro Valley

The complete history of permits filed for 21047 Sherman Drive, 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 21047 Sherman Drive, 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 21047 Sherman Drive, 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)
Jensen Ranch Elementary School	9	Public	K-5	382	0.51
Liberty School	NR	Private	1-12	0	1.27
Palomares Elementary School	8	Public	K-5	121	1.37
Montessori School At Five Canyons	NR	Private	PK-K	13	1.87
Montessori School At Five Canyons	NR	Private	PK-K	13	1.87

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Liberty School	NR	Private	1-12	0	1.27
Canyon Middle School	6	Public	6-8	1,332	1.74
Creekside Middle School	8	Public	6-8	760	2.36
Northstar School	NR	Private	PK-8	152	2.50
Castro Valley Adult And Career Education	NR	Public		0	2.72

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Liberty School	NR	Private	1-12	0	1.27
Castro Valley Adult And Career Education	NR	Public		0	2.72
Alma Preschool	NR	Public		52	2.75
Redwood Christian Schools	NR	Private	K-12	706	2.85
Castro Valley High School	9	Public	9-12	2,799	3.10

Neighbors for 21047 Sherman Drive, Castro Valley

Here are the neighbors for 21047 Sherman Drive, Castro Valley.

Address	Square feet	Purchase date	Purchase price
2958 Giovana Way, Castro Valley	3,272	09/10/2013
21059 Sherman Dr, Castro Valley	2,278	10/25/2001
7776 Coolidge CT, Castro Valley	2,697	08/26/2003
4301 Heyer Ave, Castro Valley	2,139	04/29/2021
5052 Wicks Ln, Castro Valley	3,415	06/30/2023
5046 Wicks Ln, Castro Valley	3,169	09/24/2003	$770,000
3375 Somerset Ave, Castro Valley	960	06/13/2018
21171 Center St, Castro Valley	1,293	09/27/2017
22560 Canyon Terrace Dr, Castro Valley	2,889	10/07/2022	$1,565,000
20898 Sherman Dr, Castro Valley	1,580
4303 Heyer Ave, Castro Valley	2,139	11/27/2023
18115 Apricot Way, Castro Valley	3,420	04/07/2020
5038 Wicks Ln, Castro Valley	2,437	07/09/2004	$750,000
22550 Canyon Terrace Dr, Castro Valley	2,535	10/25/2006
4423 Santos Amaro Pl, Castro Valley	3,807	03/03/2025
22500 Canyon Terrace Dr, Castro Valley	2,962	03/14/2003	$760,000
22559 Canyon Terrace Dr, Castro Valley	2,507	11/04/2020	$1,560,000
21828 Redwood Rd, Castro Valley	1,264	04/04/2025	$910,000
2754 Sydney Way, Castro Valley		03/22/2017	$600,000
10880 Cull Canyon Rd, Castro Valley	2,627	07/30/2020

Nearby ZIP Codes for 21047 Sherman Drive, Castro Valley

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Date	Type	Maturity
11/02/2012	Deed of Trust	12/01/2022
07/02/2002	Deed

Issued	Permit	Type	Status
08/31/2022
04/15/2022