4231 Somerset Ave Castro Valley, CA $ 999,950
4231 Somerset Ave
$ 999,950
Recently Listed
Open House 7/5 1pm - 4pm
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4231 Somerset Ave

Castro Valley, CA, 94546
$ 999,950
Bedrooms3 Baths1.0 Sq 1,285

Monthly Estimate*

$ 6,314

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Single Family Home for sale in Castro Valley, CA

for $999,950 with 3 bedrooms and 1 full bath. This 1,285 square foot home was built in 1949 on a lot size of 0.12.

Charming, beautifully remodeled 3-bedroom, 1-bath home offering 1,035 square feet of comfortable living space, plus a detached 250-square-foot cottage (ADU). The rental income from the cottage provides an excellent opportunity to offset your mortgage, making it easier to own more home in this desirable, quiet court location. Tasteful updates are found throughout the property. Gorgeous hardwood floors flow through most of the home, complemented by tile flooring in the kitchen, bathroom, and laundry room, with carpet in select areas. The updated kitchen features Corian countertops, attractive wood cabinetry, a 4-burner gas range, built-in microwave, and abundant cabinet space. A spacious laundry room offers even more storage with extensive built-in cabinetry. The inviting living room showcases a custom tray ceiling, elegant crown molding, and energy-efficient LED lighting, creating a warm and welcoming atmosphere. Step outside to a patio deck overlooking the private, fenced backyard with lush lawn—perfect for relaxing or entertaining. A matching storage shed provides additional space for tools, gardening equipment, or seasonal items. A standout feature of this property is the detached, updated studio ADU, offering exceptional flexibility and income potential. Currently rented for $1,750 per month plus utilities, the cottage is separately fenced for added privacy and is ideal as a rental, guest house, private home office, or space for extended family. Move-in ready and thoughtfully updated, this exceptional property combines comfort, style, and outstanding investment potential. Don't miss this rare opportunity!

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Open House

7/5/2026 1:00 PM - 4:00 PM
4231 Somerset Ave Castro Valley, CA
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 999,950

Bedrooms

3

Full Bath

1

Property Type

Single Family

Taxes

$ 0

Style

Ranch

Lot Size

0.12

Year Built

1949

Town/City

Castro Valley

County/Region

Alameda

MLS | Web ID

41139746

Features
General
Living Area 1285
Sewer Public Sewer
Heating Forced Air
Cooling Central Air
Roof Composition Shingles
Appliances Dishwasher Gas Range Plumbed For Ice Maker Microwave Free-Standing Range Refrigerator Dryer Washer
Garage Spaces 0
Architectural Style Ranch
Pool Features None
Construction Materials Stucco
Year Built 1949
Electric No Solar
Stories Count 1
Levels One Story
Property Subtype Detached
Accessibility None
County Alameda
New Construction false
Property Type Residential
HOA false
Energy Efficient None
Subdivision Name Castro Valley
Garage Y/N false
Total Rooms 5
Full Baths 1
Status Active
Directions Redwood Rd. to Somerset..
City Castro Valley
MLS Area Listing
Lot Size Square Feet 5292
Property Condition Existing
Virtual Tour https://4231SomersetAve.com/idx
Standard Status Active
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Interior
Interior Amenities Counter - Solid Surface Updated Kitchen
Flooring Hardwood Tile Carpet
Total Fireplaces 0
Fireplace Features None
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N false
Laundry Features Dryer Gas Dryer Hookup Laundry Room Washer
Total Bedrooms 3
Kitchen Features Counter - Solid Surface Dishwasher Eat-in Kitchen Disposal Gas Range/Cooktop Ice Maker Hookup Microwave Range/Oven Free Standing Refrigerator Updated Kitchen
Total Baths 1
1/2 Baths 0
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Exterior
Exterior Amenities Back Yard Front Yard
Fencing Fenced
Parking Features Carport Converted Garage
Lot Features 2 Houses / 1 Lot Premium Lot Front Yard Landscaped
Water Source Public
Lot Size Area 5292
Building Area Total 1285
Lot Size Acres 0.12
ADU Y/N true
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* Excluded Features
List By
Tim Fiebig

Listing Agent

Exp Realty Of California, Inc

Broker

tim@timfiebig.com

Email

Affordability Calculator

$6,314
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Monthly Principal & Interest
$6,314
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Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4827338 Elementary School
0 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
6/26/2026$999,950 Listed Price

Map


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4231 Somerset Ave, Castro Valley, CA, 94546 is a Single Family Home for sale at $999,950 with 1,285 sqft and a lot size of 0.12. 4231 Somerset Ave has 3 bedrooms, 1.0 baths, and was built in 1949. The property's zip code is 94546 which is in Castro Valley, CA