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1689 S Lost Trail DRWalnut, CA 91789

For Sale

$1,595,000

Smart Buyer Rebate $15,950

Welcome to this charming, original-owner home nestled in the desirable city of Walnut! Offering a unique blend of comfort, character, and versatility, this two-story residence features 4 bedrooms, 2.5 bathrooms, and an abundance of inviting spaces designed for everyday living and entertaining.

Step inside to a bright and airy interior featuring a sunken living room that adds character and warmth. The white kitchen offers a fresh, timeless appeal with an island, breakfast bar, dishwasher, and ample space for meal preparation and gathering. The adjoining family room features a beautiful whitewashed brick fireplace, creating a cozy atmosphere for relaxing with family and friends.

One of the home's standout features is the amazing sunroom just off the family room, complete with French doors and numerous windows that invite in natural light and create a wonderful space to unwind, entertain, or enjoy the surrounding views. Upstairs, the primary bedroom offers a private balcony, providing a peaceful spot to enjoy the scenery. Plantation shutters add timeless charm throughout the home, while the attic has been converted into a bonus room/5th bedroom offering additional flexible space.

The outdoor amenities make this property even more special! Enjoy the brick-front porch with city views, a built-in BBQ perfect for outdoor gatherings, an above-ground jacuzzi for relaxation, and RV parking for added convenience. The spacious three-car garage provides plenty of room for parking, storage, and hobbies.

Ideally located near Mt. San Antonio College (Mt. SAC) and Cal Poly Pomona, this home offers convenient access to educational institutions, shopping, dining, and local amenities.

Listed by Rebeca Gallegos

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License #01306444

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AGENCY 8 REAL ESTATE GROUP

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909-373-6642

Listed by Candy Curry

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License #01483114

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AGENCY 8 REAL ESTATE GROUP

Last updated October 31, 2026

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Source: CRMLS #CV26234617

Listing Facts

  • TypeSingle-family
  • NeighborhoodEast San Gabriel Valley
  • Bedrooms4
  • Bathrooms3
  • Days on PrevuNew Today
  • Size2,443 sqft
  • Price per sqft$653

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Air Conditioning
  • Parking

Location

Mortgage Calculator

Listing History

10/31/2026
Listed by AGENCY 8 REAL ESTATE GROUP
$1,595,000
  1. 10/31/2026$1,595,000
    Listed by AGENCY 8 REAL ESTATE GROUP

Property Details for 1689 S Lost Trail DR

Association

Amenities

  • Community Features: Curbs, Sidewalks

Exterior

Construction

  • Number Of Units Total: 1
  • Property Condition: Updated/Remodeled
  • Stories: 2
  • Stories Total: 2
  • Structure Type: House
  • Window Features: Plantation Shutters, Skylight(s)
  • Year Built: 1988
  • Common Walls: No Common Walls
  • Entry Level: 1
  • Entry Location: 1
  • Exterior Features: Barbecue, Balcony

Features

  • Fencing: Block
  • Patio And Porch Features: Glass Enclosed, Porch
  • Road Frontage Type: City Street
  • View: Mountain(s), Neighborhood

Measurements

  • Lot Features: Back Yard, Front Yard
  • Lot Size Acres: 0.19
  • Lot Size Area: 8,508
  • Lot Size Source: Assessor
  • Lot Size Square Feet: 8,508
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: 8710024042

Interior

Features

  • Appliances: Dishwasher
  • Fireplace Features: Family Room, Gas
  • Fireplace: Yes
  • Flooring: Tile, Wood
  • Interior Features: Cathedral Ceiling(s), Granite Counters, Pantry, See Remarks
  • Spa Features: Above Ground
  • Spa: Yes

Measurements

  • Living Area: 2,443
  • Living Area Source: Assessor
  • Living Area Units: Square Feet

Rooms

  • Bathrooms Full: 3
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 4
  • Main Level Bathrooms: 1

Other

Location

  • Tax Lot: 40

Parking

Parking

  • Attached Garage: Yes
  • Garage Spaces: 3
  • Garage: Yes
  • Parking Features: Attached, Direct Access, Driveway, Garage, RV Access/Parking
  • Parking Total: 3

Schools

Elementary School

  • Elementary School: Collegewood

High School

  • High School: Walnut
  • High School District: Walnut Valley Unified

Middle or Junior School

  • Middle Or Junior School: Suzanne

Utilities

Equipment

  • Cooling: Central Air, Wall/Window Unit(s)
  • Has Cooling: Yes
  • Heating: Central
  • Has Heating: Yes
  • Laundry Features: Washer Hookup, Gas Dryer Hookup, Inside
  • Sewer: Public Sewer
  • Utilities: Electricity Connected, Natural Gas Connected, Sewer Connected, Water Connected
  • Water Source: Public

Frequently Asked Questions

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

There are 4 bedrooms and 3 bathrooms in this single-family home at 1689 S Lost Trail DR.

What schools are nearby to 1689 S Lost Trail DR?

Nearby schools include the Collegewood Elementary School, Suzanne Middle School, and Walnut High School.

Does this single-family home have parking?

Yes, there are 3 parking spaces available for 1689 S Lost Trail DR.

How does 1689 S Lost Trail DR compare to other single-family homes in East San Gabriel Valley?

This single-family home is listed 40% above the average price for single-family homes in East San Gabriel Valley and has been on the market for 109 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 2,443 sqft.

1689 S Lost Trail DR is a 4-bedroom, 3-bath single-family home for sale in Walnut CA 91789. Listed on Prevu for 0 days at $1,595,000. This home features 2,443 square feet of living space, located in East San Gabriel Valley. The median listing price for single-family homes in this area is $830,000. Nearby schools include Collegewood Elementary School, Suzanne Middle School, and Walnut High School. Property amenities include private outdoor space, dishwasher, air conditioning, and parking. Browse more single-family home listings in Los Angeles County.

Based on information from California Regional Multiple Listing Service, Inc. 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.