---
listing_id: CRTR26166694
status: Active
price: 1550000
beds: 5
baths_full: 3
baths_half: 1
sqft_living: 2813
sqft_lot: 9349
lot_acres: 
year_built: 1988
property_type: Residential
property_subtype: Single Family Residence
address: "1667 S Lost Trail"
city: Walnut
state: CA
zip: 91789
county: "Los Angeles County"
lat: 34.0501057
lng: -117.8492876
days_on_market: 0
hoa_fee: 
hoa_frequency: 
garage_spaces: 3
list_agent: "Yu Gu"
list_office: "YAWA Realty"
list_agent_phone: "–"
list_agent_license: 01905388
mls_source: CRMLS
modified: 2026-07-30
transaction_type: buy
---

Home | Los Angeles County | Walnut | 91789 | 1667 S Lost Trail

1667 S Lost Trail, Walnut, CA 91789

MLS: CRTR26166694 | Status: Active | Price: $1,550,000
Beds/Baths: 5 / 3 /1
Property Type: Residential

Quick Facts

Beds Baths Sq Ft Sq Ft Lot Yr Built
5 3 /1 2,813 9,349 1988

Remarks

Welcome to 1667 Lost Trail, located in one of Walnut’s most highly desired neighborhoods! Zoned for the prestigious, award-winning Walnut Valley Unified School District and just minutes from Mt. San Antonio College (Mt. SAC), this home offers an unbeatable location and exceptional floor plan featuring a highly sought-after main-floor bedroom suite—ideal for multi-generational living or guests. Enjoy bright, open living spaces complemented by tranquil, partial mountain views and a charming peekaboo city lights view from the upstairs bedroom. A perfect blend of convenience, lifestyle, and location. Don't miss this incredible opportunity!

MLS Listing Information

Field Value
MLS # CRTR26166694
MLS Source California Regional MLS
Days on Site 0

Features

Interior Features

Feature Details
Bedrooms Ground Floor Bedroom, Primary Suite/Retreat
Fireplace Family Room
Laundry In Laundry Room
Cooling Central Forced Air
Heating Central Forced Air

Exterior Features

Feature Details
Pool None

Parking, School, and Other Information

Feature Details
Garage/Parking Garage: 3 Car(s)
Elementary District Walnut Valley Unified
High School District Walnut Valley Unified
HOA Fee $0

Contact Information

Yu Gu
YAWA Realty
License #: 01905388
Phone: –

School Ratings

School data provided by GreatSchools.org

Nearby Schools

School Type Grades Distance Rating
Collegewood Elementary School public K-5 0.23 mi 9
Leonard G. Westhoff Elementary School public K-5 0.92 mi 9
International Polytechnic High School public 9-12 1.71 mi 10
Suzanne Middle School public 6-8 1.75 mi 10
Walnut High School public 9-12 1.92 mi 10
South Hills High School public 9-12 2.08 mi 8
Mesa Elementary School public K-5 2.17 mi 8
Stanley G. Oswalt Academy public K-8 2.38 mi 8
Vejar Elementary School public K-5 2.40 mi 8
Kellogg Polytechnic Elementary School public K-6 2.42 mi 3
Royal Oak Middle School public 7-8 2.49 mi 8
Badillo Elementary School public K-6 2.61 mi 6
Barranca Elementary School public K-5 2.63 mi 7
Sierra Vista Middle School public 6-8 2.70 mi 6
Armstrong Elementary School public K-6 2.72 mi 5
Cyrus J. Morris Elementary School public K-5 2.78 mi 8
Ron Hockwalt Academies (Continuation) School public 9-12 2.93 mi N/A
Hollencrest Middle School public 6-8 2.97 mi 5
Mt. SAC Early College Academy At West Covina public 9-12 3.00 mi 10
Tri-Community Adult public UG 3.20 mi N/A

Nearby Homes

Address Price Beds Baths Sq Ft Status
1002 Highlight Dr $1,499,900 4 3 2,698 Active
20128 Diehl St $1,718,000 4 4 2,910 Active
20679 E Peach Blossom Rd $1,599,990 4 3 2,453 Active
663 S Rancho Simi $1,748,000 5 3 2,597 Active

Disclosures

©2026 California Regional MLS. All rights reserved. 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. Information provided is for personal, non-commercial use by the viewer and may not be redistributed without explicit authorization from California Regional MLS.

Presently MLSListings.com displays Active, Contingent, Pending, and Recently Sold listings. Recently Sold listings are properties which were sold within the last three years. After that period listings are no longer displayed in MLSListings.com. Pending listings are properties under contract and no longer available for sale. Contingent listings are properties where there is an accepted offer, and seller may be seeking back-up offers. Active listings are available for sale.

This listing information is up-to-date as of July 30, 2026. For the most current information, please contact Yu Gu.