18786 Sydney Circle

Off Market

18786 Sydney Circle

Castro Valley CA 94546

1796 sq. ft.

4268 sq. ft.

Single-Family

Last sold for $1,280,000

Shan Susan Gao, last sold this property on 01 May 2026 after 28 days on market.

Overview

Tucked away in a peaceful Castro Valley neighborhood, this beautifully updated home offers privacy, natural light, and stunning hill views. The flexible floor plan features 3 bedrooms plus a spacious loft—ideal as a home office or easily convertible into a 4th bedroom. The home has been thoughtfully refreshed with new interior paint, new flooring, updated light fixtures, newer furnace, upgraded countertops, sinks, and faucets, along with beautifully landscaped outdoor spaces, making it truly move-in ready. Wake up to serene hill views from the primary bedroom, then enjoy a generous backyard with no rear neighbors and open hill views—perfect for quiet morning coffee or hosting gatherings with family and friends, all while enjoying a rare sense of privacy and tranquility. Located in a quiet and established neighborhood, the home provides a peaceful retreat while still being conveniently close to Lake Chabot, parks, shops, restaurants, and easy access to Hwy 580. Top rated Castro Valley School. It’s not just a home, but a lifestyle of comfort, privacy, and community.

Features

4 bedrooms

3 bathrooms

2 carspaces

2 garage spaces

1796 sq. ft. floor area

4268 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 18786 Sydney Circle is $1.32m.

Median value

$1.32m

Estimated value range

$8.75k - $2.65m

Median days on market

Estimated value trend

decrease 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 18786 Sydney Circle

2026

Sold

$1,280,000

01 May 2026 by Shan Susan Gao

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, 60 four-bedroom single-family properties similar to 18786 Sydney Circle, have been sold.

This represents a 15% 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 RE/MAX Accord | Castro Valley

(30 reviews)

Get a market analysis

Trish Radovich

at Coldwell Banker Res. Broker

(2 reviews)

Get a market analysis

Brendon Yim

at eXp Realty of California, Inc.

(16 reviews)

Get a market analysis

Karen Fangfang Xu

at Century 21 Anew Realty

(11 reviews)

Get a market analysis

Nearby agents

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

Sylvana Wong

Sylvana Wong is an award winning recommended agent for Castro Valley. They have 3 local sales and collected 3 local reviews across the last 12 months.