44
$948,000
4 bd · 3 ba · 1,830 sqft
21010 Cornerstone, Walnut, CA
AJ Hoover · Seven Gables Real Estate

No listing photos
4
Beds
3
Baths
2,050
Sqft
1984
Year built
Range $1,210,185 – $1,278,507 · as of August 30, 2026
ATTOM automated valuation model · 53 published estimates over 6.7 years · shaded band is the model's own published low-to-high range
Highest reading $1,333,332 in July 2024; lowest $741,625 in January 2020. The vertical scale starts at the series' own low, not at zero — it is drawn to show movement, not absolute size.
$248,869
Estimated monthly payment
$8,096/mo
Loan amount $995,477. Estimate only — your actual rate and payment depend on credit, location, and lender.
2026 roll
School ratings (A+ to F) from HJN community data.
Stanley G. Oswalt Academy
KG-8 · Regular · Rowland Unified School District
879 students · 24.8:1 student–teacher
Cyrus J. Morris Elementary School
KG-5 · Regular · Walnut Valley Unified School District
485 students · 26.9:1 student–teacher
Walnut Montessori Preschool Academy
PK-TKG · Montessori
35 students · 11.7:1 student–teacher
Vejar Elementary School
KG-5 · Regular · Walnut Valley Unified School District
631 students · 23.0:1 student–teacher
Kindercare Learning Centers #1065
KG-KG · Regular
85 students · 85.0:1 student–teacher
Hollingworth Elementary School
KG-6 · Regular · Rowland Unified School District
382 students · 23.9:1 student–teacher
Bright Star Montessori Academy
PK-TKG · Montessori
20 students · 10.0:1 student–teacher
Nogales High School
9-12 · Regular · Rowland Unified School District
1,535 students · 19.7:1 student–teacher
Rings at ½ mile and 1 mile. Basemap © OpenMapTiles © OpenStreetMap contributors.
Open the Walnut camera map7 license-plate readers mapped within 1 mile of this home, all identified as Flock Safety devices. None within ½ mile. Nearest: 0.5 mi east.
| Device type | Within ½ mi | Within 1 mi |
|---|---|---|
| License-plate readers | 0 | 7 |
| of which Flock Safety | 0 | 7 |
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: 18 restaurants and cafés, 3 grocery stores, 14 parks and green spaces, and 5+ transit stops.
Place data from OpenStreetMap.
Donut Tree
N Lemon Ave
New York Pizzeria
Pick a Poke
South Nogales Street
Baskin-Robbins
Nogales Street
China Blossom
Pizza Hut
Nogales Street
37.2 Degree Tea
Dreamland
Chinese restaurant
Vons
North Lemon Avenue
SF Supermarket
Asian restaurant
99 Ranch Market
Asian restaurant
Arroyo Park
Butterfield Park
Walnut Hills Park
Creekside Park
Lemon Creek Bicentennial Park
Friendship Park
Walnut Ranch Park
Amar Road
Shadow Oak Park
Foothill Transit 289
Foothill Transit 178
Foothill Transit 486
Foothill Transit 178, 289
Foothill Transit 194
44
$948,000
4 bd · 3 ba · 1,830 sqft
21010 Cornerstone, Walnut, CA
AJ Hoover · Seven Gables Real Estate
Price Reduced54$1,550,000
5 bd · 3 ba · 2,984 sqft
1264 S Lemon, Walnut, CA
CC Royal Realty · on 3 MLSs
31$1,200,000
3 bd · 3 ba · 1,811 sqft
21138 Valleyview, Walnut, CA
XIANGHUI ZHOU · Real Brokerage Technologies
66$1,070,000
3 bd · 2 ba · 1,487 sqft
1215 Vassar Lane, Walnut, CA
Li Li · Universal Elite Realty
Price Reduced26$945,000
3 bd · 2 ba · 1,427 sqft
525 Jamon Ln, Walnut, CA
Century 21 Masters · on 3 MLSs
39$1,450,000
4 bd · 3 ba · 2,252 sqft
686 Dapple Gray Circle, Walnut, CA
DANLIN BI · Real Brokerage Technologies
The MLS (CLAW)
California Regional Multiple Listing Service (CRMLS)Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.
San Diego MLS



