685 Castlehill DR
Walnut, CA, 91789
$1,499,000
4 Beds
4 Baths
2,467 SqFt
0.28 Acres
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MLS #WS26177718 image #0
Introducing the brand new single family home in Walnut, built in 2026 and located within the highly sought after Walnut Valley Unified School District, with NO HOA and NO Mello Roos Tax. This exclusive enclave offers approximately 2,467 square feet of refined living space on generous lots ranging from approximately 12,060 square feet, floor plans featuring four bedrooms and three and a half bathrooms to four and a half bathrooms. Designed for modern comfort and elegant entertaining, each residence showcases soaring ceilings, luxury vinyl plank flooring, sleek iron railings, and a bright open concept layout centered around a gourmet kitchen with quartz countertops, premium stainless steel appliances, custom cabinetry, and a large center island. Walls of windows and sliding glass doors bring in abundant natural light while creating seamless indoor outdoor living, opening to landscaped backyards with lush lawns, pergola covered patios, and potential ADU possibilities. Additional highlights include a main level junior suite ideal for guests or multigenerational living, a spa inspired primary retreat with a soaking tub and walk in closet, two car garages with stone facades, private side yards, hillside views, and a convenient location near shopping, freeways, and top rated schools. Certain photos have been virtually staged and/or enhanced or generated using artificial intelligence to illustrate possible furnishings, landscaping, or design concepts. Actual property conditions may vary.

Property Details

Price:
$1,499,000
MLS #:
WS26177718
Status:
Active
Beds:
4
Baths:
4
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
668walnut
Listed Date:
Aug 17, 2026
Finished Sq Ft:
2,467
Lot Size:
12,060 sqft / 0.28 acres (approx)
Year Built:
2026
Newconstruction668 – Walnut668walnutWalnut Valley UnifiedNeighborhood

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Schools

School District:
Walnut Valley Unified

Interior

Bathrooms
3 Full Bathrooms, 1 Half Bathroom
Cooling
CA
Laundry Features
GAS, WH
Levels
U
Main Level Bathrooms
2
Main Level Bedrooms
1

Exterior

Attached Garage YN
1
Common Walls
NCW
Community Features
SDW, SL, CRB
Direction Faces
S
Garage Spaces
2
New Construction YN
1
Parking Spots
2
Parking Total
2
Patio And Porch Features
OPN
View
CI, MT, NE

Financial

Map

Community

Market Summary

Current real estate data for Single Family in Walnut as of Sep 19, 2026
99
Single Family Listed
59
Avg DOM
492
Avg $ / SqFt
$1,382,655
Avg List Price

Property Summary

    685 Castlehill DR Walnut CA is a Single Family for sale in Walnut, CA, 91789. It is listed for $1,499,000 and features 4 beds, 4 baths, and has approximately 2,467 square feet of living space, and was originally constructed in 2026. The current price per square foot is $608. The average price per square foot for Single Family listings in Walnut is $492. The average listing price for Single Family in Walnut is $1,382,655.

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685 Castlehill DR
Walnut, CA