---
listing_id: CRTR26169647
status: Active
price: 4100
beds: 4
baths_full: 3
baths_half: 1
sqft_living: 1830
sqft_lot: 17461
lot_acres: 0.4
year_built: 2018
property_type: Residential Lease
property_subtype: Condominium for Rent
address: "21022 Cornerstone"
city: Walnut
state: CA
zip: 91789
county: "Los Angeles County"
lat: 34.0176278
lng: -117.8477644
days_on_market: 4
hoa_fee: 
hoa_frequency: 
garage_spaces: 2
list_agent: "David Wang"
list_office: "Country Bridge Realty"
list_agent_phone: "(909) 706-5678"
list_agent_license: 01263424
mls_source: CRMLS
modified: 2026-08-04
transaction_type: rent
---

Home | Los Angeles County | Walnut | 91789 | 21022 Cornerstone

21022 Cornerstone, Walnut, CA 91789

MLS: CRTR26169647 | Status: Active | Price: $4,100
Beds/Baths: 4 / 3 /1
Property Type: Residential Lease

Quick Facts

Beds Baths Sq Ft Acres Lot Yr Built
4 3 /1 1,830 0.4 2018

Remarks

Welcome to this immaculate, light-filled 3-story modern condo built in 2018, situated in one of the most desirable neighborhoods in Walnut! Offering a spacious, contemporary layout with 1,830 sq. ft. of comfortable living space, this home perfectly balances luxury, low-maintenance living, and unbeatable educational convenience. Highlights & Features: Unbeatable Educational Location: Ideally located within short walking distance to top-ranked Walnut High School (~5–8 min walk) and Suzanne Middle School (~10 min walk) in the highly coveted Walnut Valley Unified School District. Bright & Open Living Space: The main level features an expansive open-concept floor plan with sleek wood-look flooring, recessed lighting, and large windows that flood the home with natural sunlight. Gourmet Chef's Kitchen: Stylish white cabinetry, elegant quartz countertops, tile flooring, a large prep island with pendant lighting, and high-end stainless steel appliances (gas range, microwave, and dishwasher). 4 Bedrooms & 3 Full Baths: Flexible multi-level layout featuring 4 full bedrooms and 3 full bathrooms—perfect for family living, multi-generational needs, or setting up a dedicated home office. Modern Comforts & Outdoor Space: Features a private balcony for relaxing outdoors, central A/C an

MLS Listing Information

Field Value
MLS # CRTR26169647
MLS Source California Regional MLS
Days on Site 4

Features

Interior Features

Feature Details
Fireplace None
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: 2 Car(s)
Elementary District Walnut Valley Unified
High School District Walnut Valley Unified

Rental Information

Feature Details
Rent Includes None

Contact Information

David Wang
Country Bridge Realty
License #: 01263424
Phone: (909) 706-5678

School Ratings

School data provided by GreatSchools.org

Nearby Schools

School Type Grades Distance Rating
Walnut High School public 9-12 0.34 mi 10
Suzanne Middle School public 6-8 0.54 mi 10
Vejar Elementary School public K-5 0.75 mi 8
Ron Hockwalt Academies (Continuation) School public 9-12 0.82 mi N/A
Walnut Elementary School public K-5 1.13 mi 9
Cyrus J. Morris Elementary School public K-5 1.21 mi 8
Walnut Valley Adult public UG 1.27 mi N/A
Leonard G. Westhoff Elementary School public K-5 1.73 mi 9
Armstrong Elementary School public K-6 1.74 mi 5
South Pointe Middle School public 6-8 1.81 mi 10
Hollingworth Elementary School public K-6 1.93 mi 8
Stanley G. Oswalt Academy public K-8 1.94 mi 8
Maple Hill Elementary School public K-5 1.96 mi 10
Collegewood Elementary School public K-5 2.23 mi 9
Lorbeer Middle School public 7-8 2.23 mi 5
Telesis Academy Of Science & Math public K-8 2.26 mi 4
Chaparral Middle School public 6-8 2.27 mi 10
Nogales High School public 9-12 2.30 mi 4
Ybarra Academy For The Arts And Technology public K-8 2.30 mi 8
Diamond Bar High School public 9-12 2.56 mi 10

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.

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This listing information is up-to-date as of August 04, 2026. For the most current information, please contact David Wang, (909) 706-5678.