18127 Madison Ave, Castro Valley, CA 94546

Local realty services provided by:ERA Excel Realty
18127 Madison Ave,Castro Valley, CA 94546
$2,525,000
  • 9 Beds
  • 6 Baths
  • 4,930 sq. ft.
  • Single family
  • Active
Listed by:valentina hauso
Office:keller williams realty
MLS#:41108905
Source:CRMLS

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

Contact an agent

contact an agent

Yes, I would like more information from ERA®. Please use and/or share my information with an ERA affiliated agent to contact me about my real estate needs. By clicking Send message, I agree an ERA affiliated agent may contact me by phone or text message including by automated means about real estate services, and that I can access real estate services without providing my phone number. I acknowledge that I have read and agree to theTerms of useandPrivacy notice

Home facts

  • Year built:1945
  • Listing ID #:41108905
  • Added:26 day(s) ago
  • Updated:September 16, 2025 at 01:22 PM

Rooms and interior

  • Bedrooms:9
  • Total bathrooms:6
  • Full bathrooms:5
  • Half bathrooms:1
  • Living area:4,930 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Forced Air

Structure and exterior

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

Utilities

  • Sewer:Public Sewer

Finances and disclosures

  • Price:$2,525,000
  • Price per sq. ft.:$512.17
Based on information from California Regional Multiple Listing Service, Inc. as of September 16, 2025 . This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent. The information provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. All properties are subject to prior sale or withdrawal. All information provided is deemed reliable but is not guaranteed accurate, and should be independently verified.

New listings near 18127 Madison Ave