
21042 Cornerstone Dr, Walnut, CA 91789
What This Condo Offers
This beautifully designed 4-bedroom, 3.5-bath 3-story condo blends contemporary finishes, thoughtful functionality, and an unbeatable location within the... award-winning Walnut Valley Unified School District. The first floor welcomes you with a full bedroom and bath, perfect for extended family, guests, or a dedicated home office. The main living area on the second floor features laminate flooring, an open-concept layout, and a spacious great room ideal for gatherings. The modern kitchen offers a generous island with sleek quartz counters, granite perimeter countertops, and under-cabinet lighting for a bright, elevated cooking experience. On the top floor, you’ll find the remaining bedrooms, including a tranquil primary suite, along with a conveniently located laundry room. This community is designed for ease and comfort, offering a neighborhood park with greenbelt views, a playground, and a BBQ area, perfect for unwinding, hosting, or weekend fun. Just minutes from the 60 & 57 freeways and close to the Walnut/Industry Metrolink Station, commuting to Los Angeles, Orange County, and the surrounding business hubs is effortless. The home is also within walking distance to Suzanne Middle School and Walnut High School—two of the district’s highest-ranked and most desired campuses. MLS# PW26015815
Unit
- $3,750 / month
- 4 Beds
- 4 Baths
- 1760 sq. ft.
- Available Now
Condo Features
- Air Conditioning
- Balcony
- Carpet
- Dishwasher
- Heating
- Oven
- Patio
- Range
- Vinyl Flooring
Community Features
- Garages
- Grill
21042 Cornerstone Dr is located in Walnut, California in the 91789 zip code.
Rental Fees and Pet Policies
The fees below are based on community-supplied data and may exclude additional fees and utilities.
One-Time Basics
- Garage Attached
- Covered
- Garage
Condo Details
Views
- Woods
- Park or Greenbelt
Home Design
- Built in 2018
- Spanish Architecture
- Shingle Roof
- Condominium
- Entry on the 1st floor
Interior Spaces
- Open Floorplan
- Family Room Off Kitchen
- Living Room Balcony
- Recessed Lighting
- Combination Dining and Living Room
- 1760 Sq Ft Home
- 3-Story Property
Kitchen
- Granite Countertops
- Open to Family Room
- Eat-In Kitchen
- Kitchen Island
- Gas Oven
- Free-Standing Range
- Dishwasher
Flooring
- Carpet
- Laminate
Bedrooms and Bathrooms
- Primary Bedroom Suite
- Main Floor Bedroom
- Bathtub
- Walk-In Closet
- Quartz Bathroom Countertops
- Walk-in Shower
- 4 Bedrooms | 1 Main Level Bedroom
- 3.5 Bathrooms
- 4 Bedrooms | 4 Bathrooms
- Dual Vanity Sinks in Primary Bathroom
Laundry
- Laundry Room
- Gas And Electric Dryer Hookup
Parking
- 2 Car Direct Access Garage
- Parking Available
Outdoor Features
- Porch
- Patio
Lot Details
- 0.46 Acre Lot
- Lawn
- Landscaped
- Paved or Partially Paved Lot
- Two or More Common Walls
Location
- Property is near park
- Suburban Location
Utilities
- Central Heating and Cooling System
- Public Water Source
- Public Sewer
Listing and Financial Details
- Security Deposit $3,800
- 12-Month Minimum Lease Term
- Available 2026-01-23
- Tax Lot 44
- Tax Tract Number 73294
- Assessor Parcel Number 8720047134
- Rent includes association dues
Community Details
Overview
- Front Yard Maintenance
- 97 Units
- Property has a Home Owners Association
Amenities
- Community Barbecue Grill
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.
Neighborhood Scores
Walk Score ®
Car-Dependent44 / 100
Transit Score ®
Some Transit36 / 100
Bike Score ®
Somewhat Bikeable38 / 100
Soundscore ™
Active69 / 100
Travel and Transit






Local Education
Colleges and Universities
School
Commute Time (Distance)
Mt. San Antonio College
Drive: 5 min (2.8 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 (7.7 mi)
Discover Walnut Valley, Walnut, CA
Shopping Centers
Shoppers will appreciate 21042 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 20 minute walk.
Commuting
With a TransitScore of 36, 21042 Cornerstone Dr has some 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 21042 Cornerstone Dr. Another nearby airport is Long Beach (Daugherty Field), located 33.2 miles away.
Nearby Properties You Might Like
Within 50 Miles of 21042 Cornerstone Dr









