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Mary Rosenthal, DRE#00964075, REALTOR®
(805) 459-8971

18508 Madison Ave, Castro Valley, CA 94546

$1,225,000
  • 18508 Madison Ave, Castro Valley, CA 94546 Main Photo

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Active
BEDS4 BATHS2 full SQUARE FEET2,178 MLS#41135921
STATUSActive PROPERTY TYPEResidential - Single Family SUBDIVISIONCASTRO VALLEY

Listing Courtesy of: Compass
Agency Phone: 925-257-0305
Associate Name: Jessica Nance
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Listing Shown by: Farrell Smyth, Inc.
Associate Name: Mary Rosenthal, DRE#00964075, REALTOR®


Property Description

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. Its 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.

18508 Madison Ave | MLS# 41135921

This single family home located at 18508 Madison Ave, Castro Valley, CA 94546 is currently listed for sale with an asking price of $1,225,000. This property was built in 1952 and has 4 bedrooms and 2 full baths with 2178 sq. ft. Madison Ave is located in the CASTRO VALLEY subdivision. Search CASTRO VALLEY real estate on maryrosenthal.farrellsmyth.com today.

Property Features

Property Type: Residential - Single Family
Garage: 2 car attached
Heating: Forced Air
Home Style: Traditional
Lot Size: 0.30 Acres
Stories: 1.0
Year Built: 1952

Amenities

Workshop

Feature Descriptions

Days on Site: 7
Fireplace: Family Room
Flooring: Carpet, Laminate, Wood
Lot: Back Yard, Front Yard, Sloped Up
Parcel#: 84C88517
Parking: Carport, Garage
Parking Notes: Carport, Garage

Listed By / Shown By

Listed By

Agency Name: Compass
Agent Name: Jessica Nance
Agency Phone: 925-257-0305

agent picture

Shown By

Agent Name: Mary Rosenthal, DRE#00964075, REALTOR®
Agent Phone: (805) 459-8971
Agency Title: Farrell Smyth, Inc.

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Estimate Your Payment

Estimated Payment

$ 3,083.61 per month $2,726.32 Principal & Interest $0.00 Property Tax (data not provided by mls) $357.29 Homeowner's Insurance

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Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided 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. Information on this site was last updated 06/03/2026. The listing information on this page last changed on 06/03/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Wed 06/03/2026 12:00:18 AM EST) or CRMLS (last updated Tue 06/02/2026 12:29:10 PM EST). Real estate listings held by brokerage firms other than Farrell Smyth, Inc. may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.
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