18127 Madison Ave, Castro Valley, CA 94546

Local realty services provided by:Better Homes and Gardens Real Estate Royal & Associates
18127 Madison Ave,Castro Valley, CA 94546
$2,525,000
  • 9 Beds
  • 6 Baths
  • 4,930 sq. ft.
  • Single family
  • Pending
Listed by: valentina hauso
Office: keller williams realty
MLS#:41108905
Source:CAMAXMLS

Price summary

  • Price:$2,525,000
  • Price per sq. ft.:$512.17

About this home

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

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Home facts

  • Year built:1945
  • Listing ID #:41108905
  • Added:96 day(s) ago
  • Updated:November 26, 2025 at 08:18 AM

Rooms and interior

  • Bedrooms:9
  • Total bathrooms:6
  • Full bathrooms:5
  • Living area:4,930 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Forced Air

Structure and exterior

  • Roof:Composition Shingles
  • Year built:1945
  • Building area:4,930 sq. ft.
  • Lot area:0.98 Acres

Finances and disclosures

  • Price:$2,525,000
  • Price per sq. ft.:$512.17
MLS LogoBay East 2025. CCAR 2025 bridgeMLS 2025. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at November 26, 2025

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