Price Reduced47$1,388,888
4 bd · 4 ba · 2,432 sqft
693 Castlehill Drive, Walnut, CA

No listing photos
4
Beds
3
Baths
1,974
Sqft
1986
Year built
Range $1,112,493 – $1,213,325 · 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 $1,443,000 in November 2025; lowest $876,000 in April 2020. The vertical scale starts at the series' own low, not at zero — it is drawn to show movement, not absolute size.
$232,582
Estimated monthly payment
$7,624/mo
Loan amount $930,327. Estimate only — your actual rate and payment depend on credit, location, and lender.
2026 roll
School ratings (A+ to F) from HJN community data.
Suzanne Middle School
6-8 · Regular · Walnut Valley Unified School District
1,190 students · 26.3:1 student–teacher
Walnut High School
9-12 · Regular · Walnut Valley Unified School District
2,148 students · 23.2:1 student–teacher
Armstrong Elementary School
KG-6 · Regular · Pomona Unified School District
251 students · 18.6:1 student–teacher
Learning Tree Walnut Education Center
KG-3 · Regular
16 students · 2.3:1 student–teacher
The Cross School of Education
PK-KG · Early Childhood Program/Child Care Center
10 students · 2.0:1 student–teacher
Kid Junction
PK-TKG · Early Childhood Program/Child Care Center
8 students · 4.2:1 student–teacher
Diamond Bar Montessori Academy
KG-1 · Montessori
30 students · 10.3:1 student–teacher
International Polytechnic High School
9-12 · Alternative/Other · Los Angeles County Office of Education
458 students · 20.6:1 student–teacher
Some properties which appear for sale on this web site may subsequently have sold or may no longer be available.
Karen Kuit · eXp Realty of California Inc

California Regional Multiple Listing Service (CRMLS)Rings at ½ mile and 1 mile. Basemap © OpenMapTiles © OpenStreetMap contributors.
Open the Walnut camera map2 license-plate readers mapped within ½ mile of this home, both identified as Flock Safety devices. Nearest: 0.2 mi southeast.
| Device type | Within ½ mi | Within 1 mi |
|---|---|---|
| License-plate readers | 2 | 4 |
| of which Flock Safety | 2 | 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: 35+ restaurants and cafés, 4 grocery stores, 20 parks and green spaces, and 18+ transit stops.
Place data from OpenStreetMap.
Starbucks
Valley Boulevard
Jersey Mike's Subs
Valley Boulevard
Panda Express
Chinese restaurant
Panera Bread
Valley Boulevard
McDonald's
Grand Avenue
Subway
Valley Boulevard
Chipotle
Mexican restaurant · Valley Boulevard
Applebee's
American restaurant
ALDI
Valley Boulevard
Sprouts Farmers Market
Diamond Bar Boulevard
Smart & Final Extra!
South Diamond Bar Blvd
Vons
North Lemon Avenue
Snow Creek Park
Snow Creek Drive
Walnut Ridge Park
Diamond Bar Pony Baseball Fields
Sunset Crossing Road
Mt. SAC Wildlife Sanctuary
Suzanne Park
Rose Garden
Sustainability Garden
A.T Richardson Park
Richeardson Road
Foothill Transit 194, 289
Foothill Transit 194
Foothill Transit 289
Foothill Transit 190, 194, 289, 480, 486
Bay 10 | 289 EB
Bay 1 | 289 WB
Bay 9 | 190 EB
Bay 2 | 190 WB