---
listing_id: CRWS26144271
status: Active
price: 1718000
beds: 4
baths_full: 4
baths_half: 0
sqft_living: 2862
sqft_lot: 7649
lot_acres: 
year_built: 2020
property_type: Residential
property_subtype: Single Family Residence
address: "20128 Diehl St"
city: Walnut
state: CA
zip: 91789
county: "Los Angeles County"
lat: 34.0170553
lng: -117.8627874
days_on_market: 2
hoa_fee: 
hoa_frequency: 
garage_spaces: 2
list_agent: "CHENGLIANG YAO"
list_office: "RE/MAX PREMIER/ARCADIA"
list_agent_phone: "(626) 615-0493"
list_agent_license: 02149666
mls_source: CRMLS
modified: 2026-07-23
transaction_type: buy
---

Home | Los Angeles County | Walnut | 91789 | 20128 Diehl St

20128 Diehl St, Walnut, CA 91789

MLS: CRWS26144271 | Status: Active | Price: $1,718,000
Beds/Baths: 4 / 4
Property Type: Residential

Quick Facts

Beds Baths Sq Ft Sq Ft Lot Yr Built
4 4 2,862 7,649 2020

Upcoming Open Houses

Date Time Hosted By
Saturday, July 25 2:00 pm - 4:30 pm CHENGLIANG YAO
Sunday, July 26 2:00 pm - 4:30 pm CHENGLIANG YAO

Remarks

Welcome to this versatile property in the highly desirable City of Walnut! Extensively renovated by the current owner, truly move-in ready! This unique single-family residence has been thoughtfully configured into two separate living areas, offering exceptional flexibility for owner-users, multi-generational living, or potential rental income. Designed for easy maintenance, the backyard features a combination of concrete patio space and a grassy area, providing both convenience and outdoor enjoyment. A separate living area with its own private entrance is ideal for extended family, guests, a home office, or potential rental opportunities. Conveniently located directly across from Vejar Elementary School, part of the award-winning Walnut Valley Unified School District, this home offers an outstanding location for families. Whether you’re looking for a primary residence with flexible living space or an investment opportunity, this property offers exceptional versatility and value. Don’t miss this incredible opportunity!

MLS Listing Information

Field Value
MLS # CRWS26144271
MLS Source California Regional MLS
Days on Site 2

Features

Interior Features

Feature Details
Kitchen Other
Appliances Other
Family Room Other, Separate Family Room
Fireplace None
Laundry Other
Cooling Central Forced Air, Other
Heating Central Forced Air

Exterior Features

Feature Details
Pool None

Parking, School, and Other Information

Feature Details
Garage/Parking Garage: 2 Car(s)
Elementary District Walnut Valley Unified
High School District Walnut Valley Unified
HOA Fee $0

Contact Information

CHENGLIANG YAO
RE/MAX PREMIER/ARCADIA
License #: 02149666
Phone: (626) 615-0493

School Ratings

School data provided by GreatSchools.org

Nearby Schools

School Type Grades Distance Rating
Vejar Elementary School public K-5 0.12 mi 8
Cyrus J. Morris Elementary School public K-5 0.42 mi 8
Ron Hockwalt Academies (Continuation) School public 9-12 0.72 mi N/A
Walnut High School public 9-12 0.85 mi 10
Suzanne Middle School public 6-8 0.85 mi 10
Hollingworth Elementary School public K-6 1.15 mi 8
Walnut Elementary School public K-5 1.16 mi 9
Stanley G. Oswalt Academy public K-8 1.19 mi 8
Walnut Valley Adult public UG 1.28 mi N/A
Nogales High School public 9-12 1.45 mi 4
Telesis Academy Of Science & Math public K-8 1.46 mi 4
Leonard G. Westhoff Elementary School public K-5 1.62 mi 9
Ybarra Academy For The Arts And Technology public K-8 1.88 mi 8
South Pointe Middle School public 6-8 1.94 mi 10
Rorimer Elementary School public K-6 1.97 mi 2
La Puente Valley Rop School public 9-12 2.03 mi N/A
Santana High (Continuation) School public 9-12 2.05 mi 2
Rowland Virtual Learning Academy public K-12 2.05 mi 5
Collegewood Elementary School public K-5 2.31 mi 9
Shelyn Elementary School public K-6 2.53 mi 7

Nearby Homes

Address Price Beds Baths Sq Ft Status
20232 Evening Breeze $1,599,000 3 3/1 3,041 Active
22097 Portofino Dr $1,650,000 4 3/1 2,494 Active
21911 E Snow Creek $1,880,000 6 5 2,936 Active
810 N San Miguel Rd $1,628,000 4 3 2,084 Active
22080 Portofino Dr $1,999,000 4 3/1 2,520 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 23, 2026. For the most current information, please contact CHENGLIANG YAO, (626) 615-0493.