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18100 De Souza PlCastro Valley, CA 94546

For Sale

$1,999,000

Smart Buyer Rebate $19,990

Nestled in a serene, forest-like setting among towering Redwoods and mature landscaping, this exceptional Upper Castro Valley home has been meticulously maintained and offers rare privacy with close proximity to everyday conveniences and top rated schools. A striking exterior opens to an inviting floor plan with vaulted ceilings and oversized windows that flood the home with natural light and hillside views. Seamless flow between the living, dining, and kitchen areas creates an ideal space for both daily living and entertaining. The chef’s kitchen features a large island, stone countertops, designer tile backsplash, and premium stainless-steel appliances including a Wolf 6-burner gas range and Miele double ovens. Cook and dine while enjoying spectacular scenic views. The living room with vaulted ceilings and family room with stone fireplace offer comfort and style. Upstairs, the oversized primary suite boasts tranquil views and a spa-like bath with soaking tub and glass shower, plus two additional bedrooms. The lower level includes a family room and office, fourth bedroom, full bath, workout room and storage. Expansive decks, outdoor kitchen, pergola dining, spa, fire pit, level lawn and water features create a true indoor-outdoor retreat. This is a destination, not a backyard! This home includes a 2-car garage and EV charger and is commuter friendly with access to nearby BART and freeways. Don't miss this exceptional opportunity to start your next chapter in this elegant custom home.

Listed by Leah Tounger

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License #01400141

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KW Advisors East Bay

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leah@leahtounger.com

Last updated May 01, 2026

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Source: bridgeMLS #41132606

Listing Facts

  • TypeSingle-family
  • NeighborhoodNortheast Castro Valley
  • Bedrooms4
  • Bathrooms4
  • Days on Prevu4
  • Size3,400 sqft
  • Price per sqft$588

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Air Conditioning
  • Parking
  • Swimming Pool

Location

Mortgage Calculator

Listing History

04/28/2026
Listed by KW Advisors East Bay
$1,999,000

Property Details for 18100 De Souza Pl

Exterior

Construction

  • Window Features: Window Coverings
  • Year Built: 1999
  • Architectural Style: Traditional
  • Construction Materials: Stucco
  • Exterior Features: Back Yard, Front Yard, Garden/Play, Side Yard, Sprinklers Automatic, Sprinklers Front, Storage, Terraced Down, Landscape Back, Landscape Front, Yard Space

Features

  • Fencing: Partial
  • Other Structures: Shed(s)
  • Patio And Porch Features: Deck, Patio

Measurements

  • Building Area Total: 3,400
  • Lot Features: Sloped Down, Sprinklers In Rear
  • Lot Size Acres: 0.17
  • Lot Size Area: 0
  • Lot Size Square Feet: 7,455
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: 84C86025

Interior

Features

  • Appliances: Dishwasher, Double Oven, Gas Range, Microwave, Oven, Refrigerator, Dryer, Washer
  • Fireplace Features: Gas
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Hardwood, Laminate, Tile, Carpet
  • Interior Features: Family Room, Formal Dining Room, Breakfast Nook, Updated Kitchen

Measurements

  • Living Area: 3,400
  • Living Area Units: Square Feet

Rooms

  • Bathrooms Full: 3
  • Bathrooms Partial: 1
  • Bathrooms Total Integer: 4
  • Bedrooms Total: 4
  • Rooms Total: 9

Other

Location

  • Subdivision Name: UPPER CENTER

Parking

Parking

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

Schools

High School

  • High School District: CASTRO VALLEY UNIFIED SCHOOL DISTRICT

Utilities

Equipment

  • Cooling: Central Air
  • Electric: No Solar
  • Heating: Zoned
  • Has Heating: Yes
  • Laundry Features: Dryer, Laundry Room, Washer
  • Sewer: Public Sewer
  • Utilities: Individual Electric Meter, Individual Gas Meter
  • Water Source: Public

Frequently Asked Questions

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

There are 4 bedrooms and 4 bathrooms in this single-family home at 18100 De Souza Pl.

Does this single-family home have parking?

Yes, there are 2 parking spaces available for 18100 De Souza Pl.

How does 18100 De Souza Pl compare to other single-family homes in Northeast Castro Valley?

This single-family home is listed 87% above the average price for single-family homes in Northeast Castro Valley and has been on the market for 5 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 3,400 sqft.

18100 De Souza Pl is a 4-bedroom, 4-bath single-family home for sale in Castro Valley CA 94546. On Prevu for 4 days at $1,999,000. This home features 3,400 square feet of living space, located in Alameda County. The median listing price for single-family homes in this area is $995,000. Property amenities include private outdoor space, dishwasher, air conditioning, parking, swimming pool, and washer/dryer. Explore more 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.