Alameda County » 4140 Wilson Ave

4140 Wilson Avenue, Castro Valley, CA 94546 Property Information

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Address

Primary address	4140 Wilson Avenue, Castro Valley
Zip code	94546
County	Alameda

Parcel ID	84D-1358-7

Sales & Tax Overview for 4140 Wilson Avenue, Castro Valley

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

Sale date	01/07/1997
Sale price	$195,000

Arm's length	Register
Current property tax	$9,934

Lot & Building Information for 4140 Wilson Avenue, Castro Valley

Building sqft	3,445
Building class	Single Family Residential Homes Used as Such (1100)
Acreage	0.24
Units	1
Year built	1941
Stories	2
Bedrooms	5
Bathrooms	4

Zoning, Use & Area Overview

Walk Score

Transit Score

Bike Score

Zoning district	Single Family Residential (R1-CSU-RV)
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 4140 Wilson Avenue, Castro Valley

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• Improvements for 4140 Wilson Avenue, Castro Valley , including their type, square footage, grade and when they were built.

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About 4140 Wilson Avenue, Castro Valley

What is the year built & the total sq. ft. for 4140 Wilson Avenue, Castro Valley, CA 94546?

4140 Wilson Avenue, Castro Valley, CA 94546 was built in 1941 and has a total of 3,445 square feet.

What is the assessed value of 4140 Wilson Avenue, Castro Valley, CA 94546 and the property tax paid?

Assessed at $860,456, the tax amount paid for 4140 Wilson Avenue, Castro Valley, CA 94546 is $10,015.

When was 4140 Wilson Avenue, Castro Valley, CA 94546 last sold?

4140 Wilson Avenue, Castro Valley, CA 94546 was last sold in 08/03/2006.

Ownership Information

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Commercial Real Estate nearby

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

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 4140 Wilson Avenue, Castro Valley

Create a free account to view the complete sales history for 4140 Wilson Avenue, Castro Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date	Purchase price	Buyer name	Seller name
01/07/1997	$195,000	Register	Register

More about Alameda County Property Records

Title Documents for 4140 Wilson Avenue, Castro Valley

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R: Recorded date
D: Document date

Property Taxes for 4140 Wilson Avenue, Castro Valley

Access detailed property tax data for 4140 Wilson Avenue, 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	$10,016
Current property tax	$9,934

Market value	$860,456

More about Alameda County Property Taxes

Assessment History for 4140 Wilson Avenue, Castro Valley

Here's the assessment & property tax history for 4140 Wilson Avenue, 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	$860,456	1.164	$10,016	+0.69%
2024-2025	$843,588	1.1791	$9,947	-48.84%
2023-2024	$827,050	2.3508	$19,442	+101.36%
2022-2023	$810,838	1.1908	$9,655	+2.52%
2021-2022	$794,940	1.1848	$9,418	+2.28%

Permits for 4140 Wilson Avenue, Castro Valley

The complete history of permits filed for 4140 Wilson Avenue, 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 4140 Wilson Avenue, 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 4140 Wilson Avenue, 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)
Redwood Christian Schools	NR	Private	K-12	706	0.11
Redwood Christian Elementary School	NR	Private	K-5	282	0.17
Alma Preschool	NR	Public		52	0.19
Castro Valley Adult And Career Education	NR	Public		0	0.23
Proctor Elementary School	8	Public	K-5	584	0.63

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Redwood Christian Schools	NR	Private	K-12	706	0.11
Alma Preschool	NR	Public		52	0.19
Castro Valley Adult And Career Education	NR	Public		0	0.23
Our Lady Of Grace School	NR	Private	K-8	218	0.65
Anchor Education, Inc.	NR	Private	3-12	18	0.77

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Redwood Christian Schools	NR	Private	K-12	706	0.11
Alma Preschool	NR	Public		52	0.19
Castro Valley High School	9	Public	9-12	2,799	0.20
Castro Valley Adult And Career Education	NR	Public		0	0.23
Anchor Education, Inc.	NR	Private	3-12	18	0.77

Neighbors for 4140 Wilson Avenue, Castro Valley

Here are the neighbors for 4140 Wilson Avenue, Castro Valley.

Address	Square feet	Purchase date	Purchase price
4233 Nando CT, Castro Valley	2,008	07/12/2006	$750,000
4229 Nando CT, Castro Valley	1,379	04/06/2026
4251 Nando CT, Castro Valley	2,696	12/31/2018
18834 California St, Castro Valley	1,564	11/02/2020
18840 California St, Castro Valley	1,564	11/19/2025
4136 Wilson Ave, Castro Valley	1,659	10/13/2020
18816 Parsons Ave, Castro Valley	1,266	04/16/2026	$1,120,000
4172 Wilson Ave, Castro Valley	1,579	01/02/2001
4148 Wilson Ave, Castro Valley	1,104	03/06/2023
18453 Magee Way, Castro Valley	1,391	05/20/2016
4048 Seven Hills Rd, Castro Valley	1,380	12/20/2021	$1,150,000
4315 Seven Hills Rd, Castro Valley	1,536	04/03/2015
18828 California St, Castro Valley	1,562	04/06/2023
4250 Nando CT, Castro Valley	1,530	03/15/2019	$820,000
4239 Nando CT, Castro Valley	1,634	02/22/2023
4164 Wilson Ave, Castro Valley	1,680	09/18/2020
4309 Seven Hills Rd, Castro Valley	1,574
4298 Nando CT, Castro Valley	1,530	09/30/1996	$224,000
18864 California St, Castro Valley	1,564	11/18/2020
18930 Parsons Ave, Castro Valley	1,171	11/02/1995

Nearby ZIP Codes for 4140 Wilson Avenue, Castro Valley

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Date	Type	Maturity
10/18/2019	Deed of Trust	11/01/2049
08/03/2006	Deed
11/18/2004	Deed
10/15/2003	Deed
01/07/1997	Deed
01/07/1997	Deed