44
$1,200,000
4 bd · 5 ba · 2,900 sqft
677 Castlehill Drive, Walnut, CA
Watson Gan · eXp Realty of California Inc · on 2 MLSs

No listing photos
3
Beds
3
Baths
2,479
Sqft
1989
Year built
Range $1,337,341 – $1,453,875 · 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 $1,600,000 in March 2026; lowest $838,500 in April 2020. The vertical scale starts at the series' own low, not at zero — it is drawn to show movement, not absolute size.
$279,122
Estimated monthly payment
$9,065/mo
Loan amount $1,116,486. Estimate only — your actual rate and payment depend on credit, location, and lender.
2026 roll
44
$1,200,000
4 bd · 5 ba · 2,900 sqft
677 Castlehill Drive, Walnut, CA
Watson Gan · eXp Realty of California Inc · on 2 MLSs
Price Reduced53$1,275,000
3 bd · 3 ba · 2,292 sqft
20002 Emerald Meadow Drive, Walnut, CA
Marty Rodriguez · CENTURY 21 MASTERS
Price Reduced74$1,798,888
4 bd · 4 ba · 2,325 sqft
22072 Portofino Drive, Walnut, CA
Chenchen Chang · WeTrust Realty · on 2 MLSs
46$985,000
3 bd · 2 ba · 1,585 sqft
19200 Tuttle Creek Pl, Walnut, CA
New Door Realty · on 3 MLSs
Price Reduced52$1,139,998
3 bd · 3 ba · 1,721 sqft
20944 Delphine Drive, Walnut, CA
RUY MANUEL VILAS · Real Brokerage Technologies · on 2 MLSs
New7$1,189,880
3 bd · 3 ba · 1,725 sqft
22046 Florence Circle, Walnut, CA
Kyle Hayes · CBC Sales Corporation · on 2 MLSs
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




School ratings (A+ to F) from HJN community data.
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
The Cross School of Education
PK-KG · Early Childhood Program/Child Care Center
10 students · 2.0:1 student–teacher
Allais School
2-11 · Regular
48 students · 6.2:1 student–teacher
Vejar Elementary School
KG-5 · Regular · Walnut Valley Unified School District
631 students · 23.0:1 student–teacher
Ron Hockwalt Academies (Continuation)
9-12 · Alternative/Other · Walnut Valley Unified School District
36 students · 5.0:1 student–teacher
Discovery World Montessori
PK-5 · Montessori
16 students · 5.3:1 student–teacher
Cyrus J. Morris Elementary School
KG-5 · Regular · Walnut Valley Unified School District
485 students · 26.9:1 student–teacher
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: 0.4 mi east.
| Device type | Within ½ mi | Within 1 mi |
|---|---|---|
| License-plate readers | 2 | 3 |
| of which Flock Safety | 2 | 3 |
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: 34+ restaurants and cafés, 4 grocery stores, 17 parks and green spaces, and 6+ transit stops.
Place data from OpenStreetMap.
Chick-fil-A
Valley Boulevard
Cold Stone Creamery
Grand Avenue
Starbucks
Grand Avenue
Applebee's
American restaurant
El Pollo Loco
Mexican restaurant
McDonald's
Grand Avenue
Panda Express
Chinese restaurant
In-N-Out Burger
East Valley Boulevard
ALDI
Valley Boulevard
Vons
North Lemon Avenue
Diamond Fresh Farmers Market
Golden Springs Drive
Hannam Market World
Golden Springs Drive
Walnut Ridge Park
Suzanne Park
Snow Creek Park
Washington Park
Cottonwood Lane
Lemon Creek Bicentennial Park
Mt. SAC Wildlife Sanctuary
Arroyo Park
Butterfield Park
Foothill Transit 194
Foothill Transit 289
Metro 194
Foothill Transit 194, 289
Industry
Foothill Transit 486