4381 James Ave, Castro Valley, CA 94546

About this single-family home

Charming English-style cottage with a detached ADU in the heart of Castro Valley! This beautifully updated home blends timeless character with modern upgrades and room to grow. Enjoy valley views from the expansive deck, complete with a cozy fire pit and decorative maple tree—perfect for relaxing or entertaining. Inside, you'll find three inviting fireplaces, skylights, and carpeting throughout. The detached ADU (approx. 700 sq ft, in addition to 1,787 sq ft main home) includes a full kitchen, bathroom, HVAC, and private deck—ideal for guests, home office, or rental income. Additional highlights include:Paid off Solar,New Roof , professionally engineered seismic retrofit, Jacuzzi tub, limestone tile, walk-in closets, and a 100-foot driveway with room for RV/boat parking. Located near top-rated schools and downtown Castro Valley dining. Roof is fairly new and Solar is fully paid off

Listing description from the August 2025 sale, as reported to CRMLS.

Sale history

$1,200,000

Sold August 2025 · listed $1,249,900, orig. $1,199,000, on market May 2025 · MLS #41097370 · Source: CRMLS

Listing Agent: Januka Shrestha · Listing Office: S & R Homes Realty · Contact: 415-596-4765 · Bought with: Noreleen De Mesa · Clarin Realty Inc

$1,200,000

Sold April 2024 · listed $1,268,888, orig. $1,395,000, on market February 2024 · MLS #41050966 · Source: CRMLS

Listing Agent: Rebecca Sayami · Listing Office: KW Advisors East Bay · Contact: 510-775-1079 · Bought with: Januka Shrestha · S & R Homes Realty

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