Alameda County  »  4166 Somerset Ave

4166 Somerset Avenue, Castro Valley, CA 94546 Property Information

4166 Somerset Avenue, Castro Valley, CA 94546 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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4166 Somerset Avenue, Castro Valley, CA 94546
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Address

Primary address 4166 Somerset Avenue, Castro Valley
Zip code 94546
County Alameda
Parcel ID 84C-756-5

Sales & Tax Overview for 4166 Somerset Avenue, 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 $3,872

Lot & Building Information for 4166 Somerset Avenue, Castro Valley

Building sqft 1,470
Building class Single Family Residential Homes Used as Such (1100)
Acreage 0.12
Units 1
Year built 1949
Stories 1
Bedrooms 3
Bathrooms 2
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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 4166 Somerset Avenue, Castro Valley

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  • • Improvements for 4166 Somerset Avenue, 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 4166 Somerset Avenue, Castro Valley

What is the year built & the total sq. ft. for 4166 Somerset Avenue, Castro Valley, CA 94546?

4166 Somerset Avenue, Castro Valley, CA 94546 was built in 1949 and has a total of 1,470 square feet.

What is the assessed value of 4166 Somerset Avenue, Castro Valley, CA 94546 and the property tax paid?

Assessed at $339,647, the tax amount paid for 4166 Somerset Avenue, Castro Valley, CA 94546 is $3,953.

When was 4166 Somerset Avenue, Castro Valley, CA 94546 last sold?

4166 Somerset Avenue, Castro Valley, CA 94546 was last sold in 12/01/2020.

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, Apr 09, 2026 How to Do a Title Search on Property Yourself: A Step-by-Step Online GuideĀ 
A property title search is the process of reviewing public records to confirm who legally owns a property and whether there are any liens, mortgages or legal claims attached to it. Explore our step-by-step guide explaining how you can perform a title search yourself. 
Laura Pop-Badiu, Mar 31, 2026 Property Owners Map: How to See Ownership Details and Parcel Lines
If you’re trying to find property owners by map, evaluate nearby parcels or understand how properties connect, a map-based approach makes the process faster, clearer and more intuitive.
Eliza Theiss, Mar 19, 2026 Cheaper in the City? Nearly 100 Communities in Suburban NYC Surpass $1M
New Yorkers planning a move to the suburbs increasingly find their options limited, after suburban home values shot up twice as fast as NYC medians over the last decade. While larger homes and better prices were long the norm outside the five boroughs, today, many NYC buyers find their option restricted to a handful of suburban markets.
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Past Sales & Property History for 4166 Somerset Avenue, Castro Valley

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No recorded sales for this property.

Title Documents for 4166 Somerset Avenue, 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
12/01/2020 Grant Deed
08/23/2016 Deed of Trust 09/01/2046
08/21/1997 Deed
               
               
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R: Recorded date
D: Document date

Property Taxes for 4166 Somerset Avenue, Castro Valley

Access detailed property tax data for 4166 Somerset 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 $3,953
Current property tax $3,872
Market value $339,647

Assessment History for 4166 Somerset Avenue, Castro Valley

Here's the assessment & property tax history for 4166 Somerset 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 $339,647 1.164 $3,953 +0.69%
2024-2025 $332,988 1.1791 $3,926 -48.84%
2023-2024 $326,460 2.3508 $7,674 +101.36%
2022-2023 $320,060 1.1908 $3,811 +2.51%
2021-2022 $313,784 1.1848 $3,718 +2.30%

Permits for 4166 Somerset Avenue, Castro Valley

The complete history of permits filed for 4166 Somerset 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.

Issued Permit Type Status
03/14/2017
       
       
       
       
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Castro Valley residential market stats

Median Sale Price
$1,042,500
-3.4% YoY
Median Price/Sqft
$652
-4.7% YoY
Alameda County Median Sale Price
$1,020,000
-4.2% 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 4166 Somerset 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) 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 4166 Somerset 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 to school (mi)
Redwood Christian Elementary School NR Private K-5 282 0.25
Redwood Christian Schools NR Private K-12 706 0.35
Castro Valley Adult And Career Education NR Public 0 0.40
Alma Preschool NR Public 52 0.41
Marshall Elementary School 9 Public K-5 491 0.44

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Redwood Christian Schools NR Private K-12 706 0.35
Castro Valley Adult And Career Education NR Public 0 0.40
Alma Preschool NR Public 52 0.41
Our Lady Of Grace School NR Private K-8 218 0.61
Creekside Middle School 8 Public 6-8 760 0.64

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Redwood Christian Schools NR Private K-12 706 0.35
Castro Valley High School 9 Public 9-12 2,799 0.36
Castro Valley Adult And Career Education NR Public 0 0.40
Alma Preschool NR Public 52 0.41
Anchor Education, Inc. NR Private 3-12 18 0.96

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 4166 Somerset Avenue, Castro Valley

Here are the neighbors for 4166 Somerset Avenue, Castro Valley.

Address Square feet Purchase date Purchase price
19649 Salem Rd, Castro Valley 911 02/24/1994 $184,000
4026 Somerset Ave, Castro Valley 1,966
4235 Mabel Ave, Castro Valley 969 06/16/2022 $950,000
4034 Somerset Ave, Castro Valley 899 01/19/2007 $525,000
4050 Somerset Ave, Castro Valley 899 06/29/1998
4214 Somerset Ave, Castro Valley 1,825 04/24/1989 $140,000
4018 Somerset Ave, Castro Valley 1,229 08/04/2022
4218 Berdina Rd, Castro Valley 1,328 06/15/1995
19781 Salem Rd, Castro Valley 899 10/29/2003 $402,000
19654 Kinney CT, Castro Valley 969 01/17/2002 $298,000
19666 Kinney CT, Castro Valley 989 04/29/1996 $174,000
4041 Mabel Ave, Castro Valley 1,569 09/24/2019
19657 Salem Rd, Castro Valley 1,593 10/07/2020 $950,000
19726 Redwood Rd, Castro Valley 1,070 08/28/2015 $530,000
19652 Fremery CT, Castro Valley 986 06/24/2024 $1,050,000
4191 Mabel Ave, Castro Valley 1,191 02/08/2023
4010 Somerset Ave, Castro Valley 1,243 07/07/2005 $200,000
19664 Fremery CT, Castro Valley 1,578 02/08/2024 $1,088,000
19716 Redwood Rd, Castro Valley 1,392 02/11/2019 $764,000
4017 Mabel Ave, Castro Valley 1,693

Nearby ZIP Codes for 4166 Somerset Avenue, Castro Valley

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