18127 Madison Avenue

Castro Valley CA 94546

4930 sq. ft.

42851 sq. ft.

Single-Family

Last sold for $2,200,000

Valentina Hauso, last sold this property on 26 November 2025 after 168 days on market.

Overview

2 Homes- Rare chance to own a large, versatile property in a premium location, surrounded by nature yet close to everything. Don’t miss this exceptional opportunity to own two spacious homes plus an attached in-law unit on a gated, .98-acre lot in one of Castro Valley’s most sought-after neighborhoods. Tucked away on a private road, this estate offers privacy, serenity and flexibility—perfect for multigenerational living, rental income, remote work, or business opportunity. Bring your vision—Both homes could benefit from updating, the potential is limitless to transform this into your dream compound or income-producing investment. Front Home has approximately 3,000 sq ft of living space ,5 bedrooms, Solar panels for energy efficiency. Spacious kitchen with granite countertops. Attached in-law unit with seperate entrance and fenced yard. Back home features approximately 1,850 sq ft, 4 bedrooms, 2 bathrooms. Spacious living, dining, and laundry room. Each home has its own gated access and driveway . Ample parking pads for RV's, boats, and multiple vehicles. Low maintenance landscaping with mature fruit trees: tangerine, lemon, pomegranate, and pomelo. Minutes from top-rated schools, Castro Village Shopping Center, CV Marketplace, BART and freeways.

Features

9 bedrooms

6 bathrooms

4930 sq. ft. floor area

42851 sq. ft. lot size

Single-Family

Estimated Value

We need at least 3 similar 9 bedroom single-family properties sold in Castro Valley over the last 12 months.

Property history for 18127 Madison Avenue

2025

Sold

$2,200,000

26 Nov 2025 by Valentina Hauso, of Keller Williams Realty

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 9 bedroom single-family properties in Castro Valley

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

(30 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.

(16 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

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.