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$1,225,000
10 Days On Site

18508 Madison Ave
Castro Valley, CA 94546

For Sale|Single Family Residence|Active
4
Beds
2
Total Baths
2
Full Baths
2,178
SqFt
$562
/SqFt
1952
Built
Subdivision:
CASTRO VALLEY
County:
Alameda
Listed by Jessica Nance of Compass jessica.nance@compass.com
Call Now: (800) 215-5000
Is this the listing for you? We can help make it yours.
(800) 215-5000
Upcoming Open Houses
Sat, Jun 6, 2:00 PM - 4:00 PM
18508 Madison Ave18508 Madison Ave18508 Madison Ave18508 Madison Ave
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Monthly Payment (Est.)

$5,589
Calculator powered by Showcase IDX, a Constellation1 Company. Copyright ©2026 Information is deemed reliable but not guaranteed.

Tucked quietly along a peaceful Castro Valley street, this home is the kind of opportunity buyers are always hoping to find; a property that feels warm and welcoming from the moment you arrive, with room to enjoy today and endless potential for what it could become over time. Inside, original hardwood floors run throughout much of the home, while the comfortable 4-bedroom, 2-bath layout offers a sense of space that feels both functional and inviting. Every room reflects years of thoughtful care, creating a home that feels solid, lived in, and ready for its next chapter. At the heart of the home, an expanded dining room surrounded by walls of windows brings in natural light from every angle. It’s the kind of space that naturally becomes the gathering place of the home; morning coffee overlooking the yard, holiday dinners with family, or slow evenings spent lingering around the table with friends. Step outside and the possibilities continue. The backyard offers multiple spaces to relax, garden, entertain, or simply enjoy the privacy and peaceful setting. Perched above the home, a detached garage has been converted into a bonus space complete with its own deck overlooking the property below. Beneath it, an expansive workshop creates even more flexibility; ideal for storage, hobbies, a home gym, creative studio, or future ADU potential for buyers looking to maximize the property over time. This is the kind of home that sparks ideas the moment you walk through the door. Move right in and enjoy its charm exactly as it is, or slowly transform it into something truly special while building long-term value along the way.

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Listing Snapshot
Price 
$1,225,000
Days On Site 
10 Days
Bedrooms 
4
Inside Area (SqFt) 
2,178 sqft
Total Baths 
2
Full Baths 
2
Partial Baths 
N/A
Lot Size 
0.2976 Acres
Year Built 
1952
MLS® Number 
41135921
Status 
Active
Property Tax 
N/A
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
4 days agoListing updated with changes from the MLS®
4 days agoStatus changed to Active
2 weeks agoListing first seen on site
General Features
Acres 
0.2976
Attached Garage 
Yes
Foundation 
Slab
Garage 
Yes
Garage Spaces 
2
Levels 
One
Parking 
AttachedCarportGarage
Parking Spaces 
6
Property Sub Type 
Single Family Residence
Style 
Traditional
Interior Features
Cooling 
Fireplace 
Yes
Fireplace Features 
Family Room
Flooring 
CarpetLaminateWood
Heating 
Forced Air
Kitchen 
Features - Tile Counters
Workshop 
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Exterior Features
Lot Features 
Back YardFront YardSloped Up
Other Structures 
StorageWorkshop
Pool Features 
None
Community Features
Financing Terms Available 
CashConventional1031 Exchange


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. The 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, the 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.

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
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