18911 Sydney Circle

Off Market

18911 Sydney Circle

Castro Valley CA 94546

1914 sq. ft.

4975 sq. ft.

Single-Family

Last sold for $1,375,000

Sunday Nguyen, last sold this property on 20 July 2026 after 31 days on market.

Overview

Welcome to 18911 Sydney Circle, a beautifully remodeled corner premium lot home offering style, comfort, and thoughtful upgrades throughout. Freshly painted inside and out, this move in ready residence features hardwood flooring, soaring vaulted ceilings, and abundant natural light through dual pane windows accented with elegant plantation shutters. The inviting living space is centered around a cozy fireplace and flows seamlessly into the updated kitchen showcasing stunning quartz countertops, a new sink, recessed lighting, custom cabinetry, and new stainless steel appliances. Enjoy effortless indoor outdoor living with a sliding glass door leading to a serene, professionally landscaped backyard, perfect for relaxing or entertaining. The front yard is equally impressive with a brand new fence, mature landscaping, accent lighting, and exceptional curb appeal. Upstairs, the spacious primary suite offers valley views, a beautifully updated bathroom with designer finishes, a large walk in closet, and ample storage. Additional features include a convenient half bath downstairs, custom garage cabinetry, attic storage, newer entry door, and numerous quality improvements throughout. Ideally situated on a desirable corner lot, this turnkey home combines modern upgrades with timeless comfort in a sought after neighborhood.

Features

4 bedrooms

3 bathrooms

2 carspaces

2 garage spaces

1914 sq. ft. floor area

4975 sq. ft. lot size

Single-Family

Estimated Value

Based on this property and similar 4 bedroom single-family properties sold in Castro Valley over the last 12 months, the estimated median property value of 18911 Sydney Circle is $1.33m.

Median value

$1.33m

Estimated value range

$8.75k - $2.57m

Median days on market

Estimated value trend

increase over the last 12 months

Average days on market is based on recent, comparable sales in Castro Valley. It is only an indication of the time a property is actively listed and should not be relied upon as an accurate representation of how soon a property will be sold.

Property history for 18911 Sydney Circle

2026

Sold

$1,375,000

20 Jul 2026 by Sunday Nguyen

Happy sellers in Castro Valley

We have insufficient information to provide an overview of customer satisfaction for Castro Valley. Viewing the agent profiles, reviews and sales for Castro Valley can provide insights for this location.

Local market activity for 4 bedroom single-family properties in Castro Valley

In the last 12 months, 64 four-bedroom single-family properties similar to 18911 Sydney Circle, have been sold.

This represents a 5% increase in four-bedroom single-family properties sales when compared to the previous 12 months.

Sold

For Sale

Interested in selling?

People are reaching out to these agents in Castro Valley for a market analysis.

Sylvana Wong

at REMAX Accord | Castro Valley

(32 reviews)

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Trish Radovich

at Coldwell Banker Res. Broker

(2 reviews)

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Brendon Yim

at eXp Realty of California, Inc.

(17 reviews)

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Karen Fangfang Xu

at Century 21 Anew Realty

(11 reviews)

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Nearby agents

Compare and contact these top performing agents who’ve delivered exception customer service for their clients in Castro Valley

Sylvana Wong

Sellers who recommend Sylvana Wong have praised them for being local expert, supportive, responsive, clear communication, reliable, detail-oriented, and patient