18100 De Souza Pl Castro Valley, CA $ 1,999,000
18100 De Souza Pl
$ 1,999,000
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18100 De Souza Pl

Castro Valley, CA, 94546
$ 1,999,000
Bedrooms4 Baths3.1 Sq 3,400

Monthly Estimate*

$ 12,308

Listed by KW Advisors East Bay
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Single Family Home for sale in Castro Valley, CA

for $1,999,000 with 4 bedrooms and 3 full baths, 1 half bath. This 3,400 square foot home was built in 1999 on a lot size of 0.1711.

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.

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Single Family Active

Price

$ 1,999,000

Bedrooms

4

Full Bath

3

Half Bath

1

Property Type

Single Family

Taxes

$ 0

Style

Lot Size

0.1711

Year Built

1999

Town/City

Castro Valley

County/Region

Alameda

MLS | Web ID

41132606

Days on Market

3

Features
General
Living Area 3400
Heating Forced Air
Cooling Central Air
Appliances Dryer Washer
Garage Spaces 2
Patio/Porch Features Deck Patio
Architectural Style Traditional
Pool Features None
Construction Materials Stucco
Year Built 1999
Levels Three Or More
Property Subtype Single Family Residence
County Alameda
New Construction false
Property Type Residential
HOA false
Attached Garage true
Subdivision Name UPPER CENTER
Garage Y/N true
Full Baths 3
Status Active
Directions Cross Street: Seaview Avenue.
City Castro Valley
Lot Size Units Square Feet
Lot Size Square Feet 7455
Listing Terms Cash Conventional FHA VA Loan
Standard Status Active
Occupancy Type Owner
Property Sub Type Additional Single Family Residence
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Interior
Interior Amenities Breakfast Area
Flooring Carpet Laminate Tile Wood
Fireplace Features Gas
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N true
Half Baths 1
Total Bedrooms 4
Total Baths 4
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Exterior
Parking Features Garage Garage Door Opener One Space
Lot Features Back Yard Sloped Down Front Yard Garden Sprinklers In Rear Sprinklers In Front Sprinklers Timer Yard
Total Parking 4
Lot Size Area 7455
Lot Size Acres 0.1711
Private Pool false
Lot Size Source Public Records
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* Excluded Features
List By
Kw Advisors East Bay

Broker

leah@leahtounger.com

Email

Affordability Calculator

$12,308
Per Month
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Monthly Principal & Interest
$12,308
Monthly Property Taxes
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Monthly Home Insurance
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Default based on a 30-year fixed rate of 6.25% 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
4827337 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
4/28/2026$1,999,000 Listed Price

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18100 De Souza Pl, Castro Valley, CA, 94546 is a Single Family Home for sale at $1,999,000 with 3,400 sqft and a lot size of 0.1711. 18100 De Souza Pl has 4 bedrooms, 3.1 baths, and was built in 1999. The property's zip code is 94546 which is in Castro Valley, CA