18508 Madison Avenue

Off Market

18508 Madison Avenue

Castro Valley CA 94546

2178 sq. ft.

12962 sq. ft.

Single-Family

Last sold for $1,175,000

Jessica Nance, last sold this property on 20 August 2026 after 85 days on market.

Overview

Tucked along a quiet Castro Valley street, this inviting home offers the perfect balance of timeless character, everyday comfort, and exciting potential. From the moment you arrive, there's a sense that this is a home that's been thoughtfully cared for and is ready for its next chapter. Inside, hardwood floors add warmth throughout much of the home, while the functional four-bedroom, two-bath layout provides flexibility for growing families, remote work, or multigenerational living. Every space feels comfortable, welcoming, and filled with natural light. The heart of the home is the expanded dining room, where walls of windows frame views of the backyard and create an airy gathering space for everything from casual breakfasts to holiday celebrations. It's a room designed for connection and one that naturally draws everyone together. Outside, the property continues to impress with multiple outdoor spaces to relax, entertain, garden, or simply enjoy the peaceful surroundings. Above the backyard, the detached structure has been transformed into a versatile bonus room. Beneath it, a spacious workshop offers exceptional flexibility for hobbies, storage, creative studio, or the potential to explore an ADU conversion (buyer to verify). Whether you're looking for a home to enjoy immediately or one you can thoughtfully personalize over time, this property offers the rare combination of move-in-ready comfort, versatile spaces, and the opportunity to build lasting value in a desirable Castro Valley location.

Features

4 bedrooms

2 bathrooms

2 carspaces

2 garage spaces

2178 sq. ft. floor area

12962 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 18508 Madison Avenue is $1.32m.

Median value

$1.32m

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 18508 Madison Avenue

2026

Sold

$1,175,000

20 Aug 2026 by Jessica Nance, of Compass

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, 67 four-bedroom single-family properties similar to 18508 Madison Avenue, have been sold.

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