Pending

$899,000

3570 Somerset Ave, Castro Valley, CA 94546

4beds

1,433sqft

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Residential, Single Family Residence

Built in 1951

6,534 Square Feet Lot

$954,000 Zestimate^®

$627/sqft

$-- HOA

What's special

Spacious lotAbundant natural lightFunctional layoutVersatile floor plan

Spacious Castro Valley home offering 4 bedrooms, 2.5 bathrooms, and approximately 1,433 sq ft of living space on a spacious lot. This property features a functional layout, abundant natural light, and room to grow with a large lot with RV parking potential. The versatile floor plan provides flexibility for multigenerational living, guests, or a home office setup. Conveniently located near top rated Castro Valley schools, shopping, dining, parks, and commuter access including BART and major freeways. Incredible opportunity for buyers looking to personalize and add value in one of Castro Valley’s most established neighborhoods.

47 days

191

5

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 3
Full bathrooms: 2
Partial bathrooms: 1

Rooms

Room types: 4 Bedrooms, 3 Baths, Workshop

Kitchen

Features: Counter - Solid Surface, Dishwasher, Refrigerator

Heating

Forced Air

Cooling

Ceiling Fan(s)

Appliances

Included: Dishwasher, Refrigerator, Gas Water Heater
Laundry: Laundry Closet

Features

Counter - Solid Surface
Flooring: Laminate
Windows: Window Coverings
Number of fireplaces: 1
Fireplace features: Brick, Living Room

Interior area

Total structure area: 1,433
Total interior livable area: 1,433 sqft

Property

Parking

Parking features: RV/Boat Parking, Parking Lot

Features

Levels: One
Stories: 1
Pool features: None
Fencing: Fenced

Lot

Size: 6,534 Square Feet
Features: Premium Lot, Back Yard, Front Yard

Details

Parcel number: 84B57060
Special conditions: Standard

Construction

Type & style

Home type: SingleFamily
Architectural style: Craftsman
Property subtype: Residential, Single Family Residence

Materials

Stucco
Roof: Composition

Condition

Existing
New construction: No
Year built: 1951

Utilities & green energy

Electric: No Solar
Sewer: Public Sewer
Water: Public

Community & HOA

Community

Subdivision: Castro Valley

HOA

Has HOA: No

Location

Region: Castro Valley

Financial & listing details

Price per square foot: $627/sqft
Tax assessed value: $848,719
Date on market: 5/27/2026

Estimated market value

$954,000

$906,000 - $1.00M

$4,141/mo

Price history

Date	Event	Price
6/13/2026	Pending sale	$899,000$627/sqft
Source: CCAR #41136154 Report a problem
5/27/2026	Listed for sale	$899,000+20.2%$627/sqft
Source: CCAR #41136154 Report a problem
11/2/2018	Sold	$748,000$522/sqft
Source: Bay East AOR #40834738 Report a problem
11/2/2018	Listed for sale	$748,000$522/sqft
Source: RE/MAX ACCORD #40834738 Report a problem
11/2/2018	Pending sale	$748,000$522/sqft
Source: RE/MAX ACCORD #40834738 Report a problem
9/4/2018	Pending sale	$748,000$522/sqft
Source: RE/Max Accord #40834738 Report a problem
8/29/2018	Price change	$748,000-0.3%$522/sqft
Source: RE/Max Accord #40834738 Report a problem
8/26/2018	Price change	$749,900-3.6%$523/sqft
Source: RE/Max Accord #40834738 Report a problem
8/22/2018	Price change	$778,000-0.3%$543/sqft
Source: RE/Max Accord #40834738 Report a problem
8/16/2018	Price change	$780,000-0.9%$544/sqft
Source: RE/Max Accord #40834738 Report a problem
8/4/2018	Price change	$787,000-7.4%$549/sqft
Source: RE/Max Accord #40830265 Report a problem
7/28/2018	Price change	$850,000+7.9%$593/sqft
Source: RE/Max Accord #40830265 Report a problem
7/14/2018	Listed for sale	$788,000+29.2%$550/sqft
Source: RE/Max Accord #40830265 Report a problem
12/20/2013	Listing removed	$610,000$426/sqft
Source: RE/MAX Accord Mitchell & Co. Report a problem
12/3/2013	Listed for sale	$610,000-2.4%$426/sqft
Source: RE/MAX Accord Mitchell & Co. Report a problem
8/31/2013	Listing removed	$625,000$436/sqft
Source: RE/MAX Accord #40626102 Report a problem
7/18/2013	Price change	$625,000-0.2%$436/sqft
Source: RE/MAX ACCORD #40623149 Report a problem
7/10/2013	Listed for sale	$626,000+38.8%$437/sqft
Source: RE/MAX Accord Mitchell & Co. Report a problem
12/15/2005	Sold	$451,000$315/sqft
Source: CCAR #40126709 Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	--	$848,719 +2%
2024	$10,645 +1.6%	$832,079 +2%
2023	$10,479 +1.9%	$815,767 +2%
2022	$10,282 +4.2%	$799,774 +3.8%
2021	$9,865 +2.3%	$770,858 +1%
2020	$9,641 -1.8%	$762,960 +2%
2019	$9,821 +21.5%	$748,000 +18.7%
2018	$8,085	$630,412 +2%
2017	$8,085 +5.1%	$618,055 +2%
2016	$7,694 +27.3%	$605,939 +4.5%
2015	$6,044	$580,000 +18.4%
2014	$6,044	$490,000 +5.4%
2013	--	$465,000 +8.1%
2012	--	$430,000 -4.4%
2011	--	$450,000 -7.2%
2010	--	$485,000 +0.2%
2009	--	$483,900 -11.4%
2008	--	$546,120 +8.8%
2007	--	$501,720 +11.2%
2006	--	$451,000 +905.5%
2005	--	$44,853 +2%
2004	--	$43,975 +1.9%
2003	--	$43,169 +2%
2002	--	$42,322 +2%
2001	$692	$41,492

Find assessor info on the county website

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HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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