
21020 Cornerstone Dr, Walnut, CA 91789
What This Condo Offers
2018-built luxury condo located in the highly desirable Cornerstone community of Walnut, within walking distance to Walnut High School and Suzanne Middle School... in the prestigious Walnut Valley Unified School District. This tastefully appointed 3-story home offers 4 bedrooms and 3.5 bathrooms, including a convenient main-level bedroom and full bath, perfect for guests or a home office. The open-concept floor plan features a spacious living and dining area and a gourmet kitchen with a large center island, quartz and granite countertops, designer backsplash, stainless steel appliances, and ample cabinetry. Thoughtful designer finishes throughout include recessed lighting, custom two-tone paint, plantation shutters, remote-controlled motorized shades, and wood and tile flooring. Recent improvements include brand-new wood flooring in all bedrooms, a new dishwasher, and a new range hood. Additional features include an upstairs laundry room, central air conditioning, an attached two-car garage, and a refrigerator, washer, and dryer included. Enjoy the community park featuring a children’s playground, BBQ area, and lush green spaces, along with the home’s prime location near shopping, dining, and major freeways. Move-in ready and available for immediate occupancy. MLS# TR26146812
Unit
- $3,850 / month
- 4 Beds
- 4 Baths
- 1830 sq. ft.
- Available Now
Condo Features
- Air Conditioning
- Balcony
- Breakfast Nook
- Dining Room
- Dishwasher
- Disposal
- Hardwood Floors
- Heating
- Refrigerator
- Tile Floors
- Washer/Dryer
21020 Cornerstone Dr is a condo for rent in Walnut, CA
Fees and Policies
The fees below are based on community-supplied data and may exclude additional fees and utilities.
One-Time Basics
Due at Move-In
- Security Deposit - Refundable$5,500
- Garage Attached
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.
Condo Details
Home Design
- Built in 2018
- Tile Roof
- Condominium
- Entry on the 1st floor
Interior Spaces
- Open Floorplan
- High Ceiling
- Family Room Off Kitchen
- Built-In Features
- Living Room
- Recessed Lighting
- Dining Room
- 1830 Sq Ft Home
- 3-Story Property
Kitchen
- Granite Countertops
- Quartz Countertops
- Open to Family Room
- Eat-In Kitchen
- Breakfast Bar
- Kitchen Island
- Dishwasher
- Range Hood
- Disposal
Flooring
- Wood
- Tile
Bedrooms and Bathrooms
- Primary Bedroom Suite
- Main Floor Bedroom
- Bathtub
- Walk-In Closet
- Upgraded Bathroom
- Quartz Bathroom Countertops
- Stone Bathroom Countertops
- Walk-in Shower
- 4 Bedrooms | 1 Main Level Bedroom
- 3.5 Bathrooms
- 4 Bedrooms | 4 Bathrooms
- Dual Vanity Sinks in Primary Bathroom
- Private Water Closet
Laundry
- Laundry Room
- Dryer
- Washer
Parking
- 2 Car Attached Garage
Outdoor Features
- Living Room Balcony
- Exterior Lighting
Lot Details
- 17461 Sq Ft Lot
- Two or More Common Walls
Schools
- Vejar Elementary School
- Suzanne Middle School
- Walnut High School
Utilities
- Tankless Water Heater
- Central Heating and Cooling System
- Public Water Source
- Public Sewer
Listing and Financial Details
- Security Deposit $5,500
- 12-Month Minimum Lease Term
- Available 2026-07-08
- Tax Lot 43
- Tax Tract Number 73294
- Assessor Parcel Number 8720047086
- Rent includes association dues
Community Details
Overview
- 162 Units
- Property has a Home Owners Association
Recreation
- Park
Pet Policy
- Call for details about the types of pets allowed
Explore Commute Options
- Drive Time--
- Walk Time--
- Bike Ride Time--
- Public Transit--
Get In Touch
Walnut, CA 91789

Copyright 2026 © California Regional MLS. All rights reserved.
Area Scores
Walkability
Somewhat walkable30 / 100
Transit
Limited public transit30 / 100
Driveability
Exceptionally drivable100 / 100
Bikeability
Fairly bikeable50 / 100
Soundscore ™
Busy65 / 100
Travel and Transit






Local Education
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 21020 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, 21020 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 21020 Cornerstone Dr. Another nearby airport is Long Beach (Daugherty Field), located 33.2 miles away.
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