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20401 Blue Mountain DriveWalnut, CA 91789

Los Angeles County

$2,800,000List price
6Beds
5Baths
6,623Sq Ft
1987Year built
5.60Acre lot
3Garage
2Stories
9 days agoOn market

Description

Located in the Walnut Valley Unified School District and close to Mt. San Antonio College and Cal Poly Pomona, this extremely private 5.6-acre hillside estate in Walnut sits at the end of a long driveway with valley and mountain views. The two-story Spanish-style main home offers about 5,471 sq ft with 4 bedrooms, 4 baths, a dramatic atrium, formal dining room, entertainment room, billiards room, and sweeping tile throughout. A separate 1,152 sq ft guest house adds 2 bedrooms and 1 bath. Pool and spa. No HOA. Offered as-is.

Property Information

Property type
Residential
Sub-type
Single Family Residence
Style
Spanish
Year built
1987
Stories
2
Living area
6,623 Sq Ft
Lot size
5.60 acres
Garage spaces
3
Zoning
WAR110000*
Days on market
9
MLS® Listing#
26106361

Property Features

Interior
Eat-in Kitchen
Appliances
Refrigerator
Heating
Central
Fireplace
Dining Room · Library · See Through
Pool
Private · In Ground
Parking
Driveway · Garage
Laundry
In Garage
Construction
Stucco
Foundation
Slab
Roof
Tile
Other structures
Guest House
Sewer
Septic Tank

Financial Details

HOA
None
Parcel number
8712003001

Directions

Take Blue Mountain Dr to the long private driveway leading up to the property.

Listing Courtesy: Exp Commercial of California, Inc.

Presented by: Mercedes Barba

Based on information from California Regional Multiple Listing Service, Inc. as of 2026-11-04T00:00:00.000Z 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 broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

Licensed in the state of California.

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  • Krissy Allen

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    EXIT Alliance Realty

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