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18490 Carlwyn DrCastro Valley, CA 94546

For Sale

$1,338,000

Smart Buyer Rebate $13,380

Breathtaking views! This unique spacious home (2,380 sq ft) features two living spaces, providing flexibility for growing households, multi-generational living, home office and/or guest space. Features 5 bedrooms, 3 bathrooms. Located in highly desirable Castro Valley neighborhood. The main floor living area features 3 bedrooms (including primary suite), 2 baths, a beautifully remodeled kitchen featuring granite counters and new oven/range, and stunning views, as well as a large family room and dining area. Downstairs features 2 bedrooms, 1 bathroom, laundry and a large living/bonus/flex space with sliding glass door leading to patio and large deck with spectacular views. Dual paned windows. Newer water heater. Located just minutes from Lake Chabot Regional Park (with easy access to hiking and biking trails) and Castro Valley Community park. Walk to top-rated Castro Valley schools. Conveniently located near shopping, restaurants, BART, and highways 580 & 238. This is a home you don’t want to miss!

Listed by Kelly Wall

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Realty Investment Solutions

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925-980-1798

Last updated September 08, 2026

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Source: bridgeMLS #41144742

Listing Facts

  • TypeSingle-family
  • NeighborhoodCastro Valley Hills
  • Bedrooms5
  • Bathrooms3
  • Days on Prevu34
  • Size2,380 sqft
  • Price per sqft$562

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

09/02/2026
Price Decreased
$1,338,000
08/12/2026
Listed by Realty Investment Solutions
$1,388,000
  1. 09/02/2026$1,338,000
    Price Decreased
  2. 08/12/2026$1,388,000
    Listed by Realty Investment Solutions

Property Details for 18490 Carlwyn Dr

Exterior

Construction

  • Stories: 2
  • Window Features: Double Pane Windows
  • Year Built: 1958
  • Architectural Style: Traditional
  • Construction Materials: Stucco, Wood Siding
  • Exterior Features: Back Yard

Features

  • Fencing: Fenced
  • Patio And Porch Features: Deck
  • View: Hills, Mountain(s), Valley

Measurements

  • Building Area Total: 2,380
  • Lot Features: Premium Lot
  • Lot Size Acres: 0.12
  • Lot Size Area: 0
  • Lot Size Square Feet: 5,200
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: 84D110715

Interior

Features

  • Appliances: Dishwasher, Electric Range, Microwave, Range, Gas Water Heater
  • Fireplace Features: Living Room
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Laminate, Vinyl, Carpet, Other
  • Interior Features: Dining Area, Family Room, Breakfast Nook, Counter - Solid Surface, Pantry, Updated Kitchen

Measurements

  • Living Area: 2,380
  • Living Area Units: Square Feet

Rooms

  • Bathrooms Full: 3
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 5
  • Rooms Total: 6

Other

Location

  • Subdivision Name: CASTRO VALLEY

Parking

Parking

  • Covered Spaces: 2
  • Garage Spaces: 2
  • Parking Features: Attached, Int Access From Garage, Garage Door Opener

Utilities

Equipment

  • Cooling: No Air Conditioning
  • Electric: No Solar
  • Heating: Forced Air
  • Has Heating: Yes
  • Laundry Features: Hookups Only, Laundry Closet, Laundry Chute
  • Sewer: Public Sewer
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 5 bedrooms and 3 bathrooms in this single-family home at 18490 Carlwyn Dr.

Does this single-family home have parking?

Yes, there are 2 parking spaces available for 18490 Carlwyn Dr.

How does 18490 Carlwyn Dr compare to other single-family homes in Castro Valley Hills?

This single-family home is listed 15% below the average price for single-family homes in Castro Valley Hills and has been on the market for 13 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 2,380 sqft.

18490 Carlwyn Dr is a 5-bedroom, 3-bath single-family home for sale in Castro Valley CA 94546. On Prevu for 34 days at $1,338,000. This includes a recent price decrease of $50,000. This property features 2,380 square feet of living space, located in Castro Valley Hills. The median listing price for single-family homes in this area is $1,285,000. Additional amenities include private outdoor space, dishwasher, parking, and swimming pool. View other single-family home listings in Alameda County.

Based on information from bridgeMLS and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.