4231 Somerset AveCastro Valley, CA 94546

Single Family · 3 Beds · 1 Full Bath · 1,285 Sq. ft. | 0.12 Acres
$999,950 New

4231 Somerset Ave Overview

Time on Site:
4 days
Visits:
1

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!

Open Houses

  • PublicWed. Jul 110:30AM - 1:00PM PDT
  • PublicSun. Jul 51:00PM - 4:00PM PDT
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4231 Somerset Ave Facts & Features

  • Type Single Family
  • Sq. ft. 1,285
  • Price/Sq.ft. $778
  • Lot 0.12 Acres

Details

General

Green Features

  • Green Energy Efficient: None

Building Information

  • New Construction: false
  • Year Built: 1949

Location/Region

  • Country: US
  • County Or Parish: Alameda
  • Subdivision Name: CASTRO VALLEY

General Information

  • Listing Terms: Cash,Conventional
  • Parcel Number: 84C75732
  • Property Condition: Existing
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Special Listing Conditions: Standard

Interior

Parking Information

  • Garage Spaces: 0
  • Garage: false

Beds/Baths

  • Bathrooms Full: 1
  • Bathrooms Partial: 0
  • Bathrooms Total: 1
  • Bedrooms Total: 3

Building Interior

  • Building Area Source: Measured
  • Building Area Total: 1285
  • Building Area Units: Square Feet

General Information

  • Accessibility Features: None
  • Appliances: Dishwasher,Gas Range,Plumbed For Ice Maker,Microwave,Free-Standing Range,Refrigerator,Dryer,Washer
  • Basement: Crawl Space
  • Electric: No Solar
  • Fireplace Features: None
  • Fireplace: false
  • Fireplaces Total: 0
  • Flooring: Hardwood,Tile,Carpet
  • Interior Features: Counter - Solid Surface,Updated Kitchen
  • Laundry Features: Dryer,Gas Dryer Hookup,Laundry Room,Washer
  • Levels: One Story
  • Living Area: 1285
  • Living Area Units: Square Feet
  • Rooms Total: 5
  • Security Features: Carbon Monoxide Detector(s),Double Strapped Water Heater,Smoke Detector(s)
  • Stories: 1

Exterior

Parking Information

  • Parking Features: Carport,Converted Garage

Lot Information

  • Lot Features: 2 Houses / 1 Lot,Premium Lot,Front Yard,Landscaped
  • Lot Size Acres: 0.12
  • Lot Size Area: 0.12
  • Lot Size Square Feet: 5292
  • Lot Size Units: Acres
  • Water Source: Public

Building Exterior/Construction

  • Architectural Style: Ranch
  • Attached Garage: false
  • Construction Materials: Stucco
  • Roof: Shingle

General Information

  • Carport: true
  • Covered Spaces: 0
  • Exterior Features: Back Yard,Front Yard
  • Fencing: Fenced
  • Pool Features: None
  • Pool Private: false
  • Sewer: Public Sewer

4231 Somerset Ave Neighborhood

Community

94546 (Castro Valley) Demographics

41
Median Age
4,630
Population Density (per sq. mile)
49%
College Educated
$101,445
Estimated Median Income
10,323
Estimated Total Home Owners
5,599
Estimated Total Renters
65% / 35%
Estimated Owner / Renter Divide
3
Estimated Average Household Size
Community data courtesy of LiveBy, Inc.

Schools

School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.

4231 Somerset Ave Monthly Cost

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* All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

4231 Somerset Ave Market Data

Based on the last 30 days in this zip code

$991,303
Average List Price
$607
Average Price per Square Foot
23
Properties Sold
70
Average Days on Market
152
Properties for Sale
Calculations provided by Reliance Network

4231 Somerset Ave History

Date Event Value Agent
6/26/2026Source: CRMLS Added to Database
June 26, 2026
6/26/2026Source: bridgeMLS Added to Database
June 26, 2026
Listing provided courtesy of EXP Realty of California, Inc- MLS# 41139746MLS Provider