18127 Madison Ave, Castro Valley, CA 94546

$2,200,000
9
BD
5.5
BA
4,930
SqFt

Show Photos

Verify your account to unlock exclusive photos, mortgage tools, and more.

Sold Price
$2,200,000
List Price
$2,525,000
Status
SOLD
MLS#
41108905
Days on Market
25
Closing Date
Nov 26, 2025
Property Type
Single Family Residence
Bedrooms
9
Bathrooms
5.5
Half-baths
1
Living Area
4,930
Lot Size
42,851
Lot Description
2 Houses / 1 Lot
Subdivision
Castro Valley

Property Description

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.

Additional Information

Stories
Two Story
Year Built
1945
Acres
0.98
School District
CASTRO VALLEY UNIFIED SCHOOL DISTRICT
Roof
Shingle
Flooring
Hardwood, Tile
Exterior
Stucco, Wood Shingles
Kitchen Features
Stone Counters, Tile Counters, Dishwasher, Eat-in Kitchen
Pool Description
In Ground, Outdoor Pool
Fireplaces
3
Fireplace Description
Family Room, Living Room
Garage Description
Parking Lot
Basement
Crawl Space
Cooling
Central Air
Heating
Forced Air
Parking Description
Parking Lot
Yard Description
Back Yard, Front Yard, Garden/Play, Side Yard, Yard Space
Laundry Features
Laundry Closet

How much is your home worth?

...get instant property value now!

Mortgage Calculator

Amount of Loan
Annual Interest Rate
%
Term of Loan
Years

Does not include any taxes or fees.
Please consult a financial professional.
Calculator source: Real Geeks

Listing courtesy of Valentina Hauso from Keller Williams Realty

Selling Office: Exp Realty Of California, Inc.

© 2026 BEAR, CCAR, bridgeMLS. This information is deemed reliable but not verified or guaranteed. This information is being provided by the Bay East MLS or Contra Costa MLS or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. Date and time last updated: Website provided by: Real Geeks LLC