
21000 Cornerstone Dr, Walnut, CA 91789
Room for Rent
This listing offers a private bedroom within a shared property. You may share common spaces like the kitchen, living room, and possibly bathrooms with other renters or the property owner.
What This Townhouse Offers
Welcome to 21000 Cornerstone Drive, a spacious three-story townhome located in the highly desirable Cornerstone community of Walnut. This well-maintained home... offers 4 bedrooms and 3.5 bathrooms, including two private bedroom suites that provide flexibility for guests, multigenerational living, or a home office.The open-concept main level features a bright living area, dining space, and a functional kitchen with granite countertops, a large center island, ample cabinetry, and stainless steel appliances. Freshly painted throughout, the home offers a clean, move-in-ready living environment. Additional features include wood flooring in the main living areas, in-unit laundry, central air conditioning, and an attached two-car garage.Enjoy the convenience of being within walking distance to Walnut High School and Suzanne Middle School, both part of the award-winning Walnut Valley Unified School District. Community amenities include parks, playgrounds, BBQ areas, and beautifully maintained green spaces. Conveniently located near shopping, dining, and major freeways.Move-in ready and available for immediate occupancy.
Unit
- $4,200
Total Monthly Price - 4 Beds
- 4 Baths
- 1830 sq. ft.
- Available Now
Townhome Features
- Air Conditioning
- Carpet
- Dining Room
- Dishwasher
- Disposal
- Family Room
- Hardwood Floors
- Heating
- Kitchen
- Microwave
- Range
- Refrigerator
- Views
- Walk-In Closets
- Washer/Dryer
Community Features
- Garages
21000 Cornerstone Dr is a room for rent in Walnut, CA
Fees and Policies
The fees below are based on community-supplied data and may exclude additional fees and utilities.
- Garage Attached
- Garage
Property Fee Disclaimer Based on community-supplied data and independent market research. Subject to change without notice. May exclude fees for mandatory or optional services and usage-based utilities.
Explore Commute Options
- Drive Time--
- Walk Time--
- Bike Ride Time--
- Public Transit--
About the Listing Agent
Luxury Certified. Top 5% of the enterprise. Born in Asia, grew up in Vancouver, Canada, and lived in Los Angeles, California. My multi-cultural background and market knowledge can help you make the best decision, buying or selling. PROFESSIONAL ACCREDITATIONS REALTOR® Luxury Collection Specialist
Area Scores
Walkability
Somewhat walkable30 / 100
Transit
Limited public transit30 / 100
Driveability
Exceptionally drivable100 / 100
Bikeability
Fairly bikeable50 / 100
Soundscore ™
Active70 / 100
Travel and Transit






Local Education
Primary and Secondary Schools
Vejar Elementary School
Grades K-5
Public
Plymouth Elementary School
Grades PK-5
Public
Walnut United Methodist Preschool
Grades PK-5
Private
Suzanne Middle School
Grades 6-8
Public
Walnut High School
Grades 9-12
Public
Aims Academy
Grades K-12
Private
Data provided by GreatSchools.org © 2026. All rights reserved.
Colleges and Universities
School
Commute Time (Distance)
Mt. San Antonio College
Drive: 5 min (2.9 mi)
Cal Poly Pomona
Drive: 9 min (4.4 mi)
DeVry University-California
Drive: 10 min (4.9 mi)
Western Health Scis., Pomono
Drive: 13 min (7.8 mi)
Discover Walnut Valley, Walnut, CA
Shopping Centers
Shoppers will appreciate 21000 Cornerstone Dr proximity to Walnut Shopping Center, The Marketplace at Grand Crossing West, and The Village. Walnut Shopping Center is 0.5 miles away, and The Marketplace at Grand Crossing West is within a 21 minute walk.
Commuting
With a TransitScore of 30, 21000 Cornerstone Dr has limited public transit, including 8 transit stops within 12.9 miles. Transit options include Apu / Citrus College Station and Azusa Downtown Station.
Airports
Living in Walnut Valley provides easy access to Ontario International, located just 26 minutes from 21000 Cornerstone Dr. Another nearby airport is Long Beach (Daugherty Field), located 33.3 miles away.
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