Price Reduced30
$888,000
4 bd · 4 ba · 1,830 sqft
20950 Cornerstone Drive, Walnut, CA
Lirong Zhu · Real Brokerage Technologies, Inc · on 3 MLSs

No listing photos
3
Beds
2
Baths
1,226
Sqft
1964
Year built
Range $831,327 – $896,129 · as of August 30, 2026
ATTOM automated valuation model · 54 published estimates over 6.7 years · shaded band is the model's own published low-to-high range
Highest reading $981,704 in July 2024; lowest $573,750 in April 2020. The vertical scale starts at the series' own low, not at zero — it is drawn to show movement, not absolute size.
$172,746
Estimated monthly payment
$5,655/mo
Loan amount $690,982. Estimate only — your actual rate and payment depend on credit, location, and lender.
2026 roll
School ratings (A+ to F) from HJN community data.
Vejar Elementary School
KG-5 · Regular · Walnut Valley Unified School District
631 students · 23.0:1 student–teacher
Cyrus J. Morris Elementary School
KG-5 · Regular · Walnut Valley Unified School District
485 students · 26.9:1 student–teacher
Allais School
2-11 · Regular
48 students · 6.2:1 student–teacher
Ron Hockwalt Academies (Continuation)
9-12 · Alternative/Other · Walnut Valley Unified School District
36 students · 5.0:1 student–teacher
The Cross School of Education
PK-KG · Early Childhood Program/Child Care Center
10 students · 2.0:1 student–teacher
Walnut High School
9-12 · Regular · Walnut Valley Unified School District
2,148 students · 23.2:1 student–teacher
Suzanne Middle School
6-8 · Regular · Walnut Valley Unified School District
1,190 students · 26.3:1 student–teacher
Hollingworth Elementary School
KG-6 · Regular · Rowland Unified School District
382 students · 23.9:1 student–teacher
The MLS (CLAW)
San Diego MLSSome properties which appear for sale on this web site may subsequently have sold or may no longer be available.
Price Reduced30
$888,000
4 bd · 4 ba · 1,830 sqft
20950 Cornerstone Drive, Walnut, CA
Lirong Zhu · Real Brokerage Technologies, Inc · on 3 MLSs
Price Reduced26$945,000
3 bd · 2 ba · 1,427 sqft
525 Jamon Ln, Walnut, CA
Century 21 Masters · on 3 MLSs
66$1,070,000
3 bd · 2 ba · 1,487 sqft
1215 Vassar Ln, Walnut, CA
Universal Elite Realty · on 3 MLSs
46$985,000
3 bd · 2 ba · 1,585 sqft
19200 Tuttle Creek Pl, Walnut, CA
New Door Realty · on 2 MLSs
Price Reduced46$860,000
3 bd · 2 ba · 1,360 sqft
1012 Farel, Diamond Bar, CA
Pinnacle Real Estate Group · on 3 MLSs




Rings at ½ mile and 1 mile. Basemap © OpenMapTiles © OpenStreetMap contributors.
Open the Walnut camera map3 license-plate readers mapped within ½ mile of this home, all identified as Flock Safety devices. Nearest: 0.3 mi northwest.
| Device type | Within ½ mi | Within 1 mi |
|---|---|---|
| License-plate readers | 3 | 4 |
| of which Flock Safety | 3 | 4 |
Community-reported via OpenStreetMap; may be incomplete. Data as of . © OpenStreetMap contributors (ODbL)
License-plate readers (ALPR) are fixed cameras that photograph passing vehicles and read their plates. Records are typically shared with the agency or association that operates the camera.
Flock Safety is a company whose plate-reader cameras are used by police departments, cities, HOAs and businesses. Its devices are usually solar-powered and pole-mounted.
Within 2 miles of this home: 33 restaurants and cafés, 5 grocery stores, 13 parks and green spaces, and 5+ transit stops.
Place data from OpenStreetMap.
New York Pizzeria
Donut Tree
N Lemon Ave
Dreamland
Chinese restaurant
China Blossom
Pick a Poke
South Nogales Street
Atoyubu
Golden Springs Dr
KFC
La Puente Road
Pizza Hut
Nogales Street
Vons
North Lemon Avenue
SF Supermarket
Asian restaurant
Diamond Fresh Farmers Market
Golden Springs Drive
Hannam Market World
Golden Springs Drive
ALDI
Valley Boulevard
Lemon Creek Bicentennial Park
Butterfield Park
Arroyo Park
Walnut Hills Park
Friendship Park
Suzanne Park
Creekside Park
Walnut Ridge Park
Foothill Transit 289
Foothill Transit 194
Metro 194
Industry
Foothill Transit 178