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18508 Mountain LaneCastro Valley, CA 94552

For Sale

$1,695,000

Smart Buyer Rebate $16,950

This exquisitely updated five-bedroom Eichler seamlessly blends iconic mid-century architecture with refined modern design, sitting on a flat .31-acre lot. Originally designed by renowned architectural firm Jones & Emmons for Joseph Eichler, the home has been thoughtfully reimagined while preserving the clean lines, natural materials, and indoor-outdoor living that define its architectural legacy. A serene open-air atrium welcomes you into the heart of the home. The open-concept living, dining, and kitchen areas flow effortlessly together, with walls of glass and direct access to the surrounding outdoor spaces. Vaulted ceilings and beams enhance the sense of volume, while an exposed wood feature wall adds warmth and character. At the center of the home, the sleek designer kitchen features a quartz waterfall island, Carrara marble backsplash, premium stainless-steel appliances, an induction cooktop, a wine refrigerator, and generous pantry storage. The private primary wing is a tranquil retreat with direct backyard access and a spa-inspired en suite bathroom featuring a dual shower head and a double vanity. An adjacent fifth bedroom/office opens to the atrium, providing a flexible space. On the opposite side of the home, three generously sized bedrooms offer privacy and comfortable separation of space. The thoughtfully landscaped yard features redwood trees, well-landscaped grounds, and turf that create a peaceful setting. The expansive rear patio provides abundant space for outdoor dining, entertaining, and relaxation, equally suited for everyday living and special occasions. Located in Castro Valley's sought-after Greenridge neighborhood, the home offers a tranquil residential setting with convenient access to parks and trails at Greenridge Park, Cull Canyon Park, and Lake Chabot. Castro Valley BART and major commute corridors are within easy reach, providing excellent connectivity throughout the Bay Area.

Listed by Maddy Mazzola

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Compass

Listed by Martin E Leon

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Compass

Last updated July 28, 2026

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Source: SFAR #426148346

Listing Facts

  • TypeSingle-family
  • NeighborhoodRidges
  • Bedrooms5
  • Bathrooms2
  • Days on Prevu9
  • Size2,050 sqft
  • Price per sqft$827

Amenities

  • Parking

Location

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Listing History

07/23/2026
Listed by Compass
$1,695,000

Property Details for 18508 Mountain Lane

Exterior

Construction

  • Property Condition: Updated/Remodeled
  • Year Built: 1963
  • Architectural Style: Mid-Century

Measurements

  • Building Area Total: 2,050
  • Building Area Units: Square Feet
  • Lot Size Acres: 0.31
  • Lot Size Area: 13,578
  • Lot Size Square Feet: 13,578
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: 0851606040

Interior

Features

  • Interior Features: Kitchen Island, Cathedral Ceiling(s), Beamed Ceilings

Measurements

  • Living Area: 2,050
  • Living Area Units: Square Feet

Rooms

  • Bathrooms Full: 2
  • Bathrooms Total Integer: 2
  • Bedrooms Total: 5
  • Rooms Total: 7

Parking

Parking

  • Attached Garage: Yes
  • Garage: Yes
  • Parking Features: Attached, Covered, Side By Side
  • Parking Total: 3

Utilities

Equipment

  • Heating: Radiant
  • Has Heating: Yes
  • Sewer: Public Sewer

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 5 bedrooms and 2 bathrooms in this single-family home at 18508 Mountain Lane.

Does this single-family home have parking?

Yes, there are 3 parking spaces available for 18508 Mountain Lane.

How does 18508 Mountain Lane compare to other single-family homes in Ridges?

This single-family home is listed 21% above the average price for single-family homes in Ridges and has been on the market for 24 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 2,050 sqft.

18508 Mountain Lane is a 5-bedroom, 2-bath single-family home for sale in Castro Valley CA 94552. Listed on Prevu for 9 days at $1,695,000. This property features 2,050 square feet of living space, located in Ridges. The median listing price for single-family homes in this area is $1,444,000. Property amenities include parking. Browse more single-family home listings in Alameda County.

Based on information from San Francisco Association of REALTORS® and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.