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Castro Valley, CA

$999,950

4231 Somerset Ave, Castro Valley, CA
0
Baths
1949
Built
9
Days listed

About this home

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) with laundry. 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-cottage, 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!

Facts & features

Interior
Bathrooms
0
Flooring
Carpet, Laminate, Tile, Wood
Heating
Forced Air, Wall Furnace
Exterior & lot
Lot size
0.122 acres (5,292 sq ft)
Year built
1949
Parking
Carport
Parking spaces
2
Community
County
Alameda
Listing details
Status
Active
Property type
Single Family Residence
Days on market
9
Listed
2026-07-09
Terms
Cash, Conventional
Parcel #
84C75732
MLS #
41141107
Listed by
Tim Fiebig · EXP Realty of California, Inc

Location

Price history

Listed
$999,950 · 2026-07-09
Days on market
9
Current price
$999,950
Financing

Could this home be yours?

Estimated monthly payment
$6,273
$5,056 principal & interest · $1,217 taxes & insurance
$199,990
Estimate only
Loan $799,960

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Listing data provided by CRMLS

Listing courtesy of EXP Realty of California, Inc. © 2026. The multiple listing data appearing on this website is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for the consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the consumer may be interested in purchasing. All data, including but not limited to all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. The listing broker's offer of compensation is made only to participants of the MLS where the listing is filed. Last updated July 26, 2026 Equal Housing Opportunity.

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