685 Castlehill DR
Walnut, CA, 91789
$1,746,900
4 Beds
5 Baths
2,467 SqFt
0.28 Acres
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MLS #WS26034993 image #0
Welcome to an exclusive new enclave of just six newly built luxury single family residences in the prestigious City of Walnut, celebrated for its award winning Walnut Valley Unified School District. Set on expansive lots with breathtaking hillside views, each home offers approximately 2,432 to 2,900 square feet of refined living space on generous lots ranging from 9,950 square feet to 13,630 square feet, featuring four bedrooms and four and a half bathrooms. Designed for modern comfort and elegant entertaining, these residences showcase soaring ceilings, luxury vinyl plank flooring, sleek iron railings, and a bright open concept layout anchored by a gourmet kitchen with quartz countertops, premium stainless steel appliances, custom cabinetry, and a large center island. Walls of windows and sliding glass doors invite abundant natural light and seamless indoor outdoor living, opening to landscaped backyards with lush lawns, pergola covered patios, and ADU potential. Highlights include a main level junior suite ideal for guests or multi generational living, a spa inspired primary retreat with a soaking tub and walk in closet, two car garages with stone facades, private side yards, no HOA, no Mello Roos, and a prime location near major freeways, shopping, and top rated schools, making this a rare opportunity to own brand new luxury in one of Walnut’s most desirable neighborhoods.

Property Details

Price:
$1,746,900
MLS #:
WS26034993
Status:
Active
Beds:
4
Baths:
5
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
668walnut
Listed Date:
Feb 16, 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
4 Full Bathrooms, 1 Half Bathroom
Cooling
CA
Laundry Features
GAS, WH

Exterior

Community Features
SDW, SL, CRB
Parking Spots
2

Financial

Map

Community

Market Summary

Current real estate data for Single Family in Walnut as of Feb 23, 2026
90
Single Family Listed
56
Avg DOM
429
Avg $ / SqFt
$1,237,074
Avg List Price

Property Summary

    685 Castlehill DR Walnut CA is a Single Family for sale in Walnut, CA, 91789. It is listed for $1,746,900 and features 4 beds, 5 baths, and has approximately 2,467 square feet of living space, and was originally constructed in 2026. The current price per square foot is $708. The average price per square foot for Single Family listings in Walnut is $429. The average listing price for Single Family in Walnut is $1,237,074.

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685 Castlehill DR
Walnut, CA