673 Castlehill, Walnut, CA 91789 - Photo 1 of 49, Walnut, CA
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$1,788,000

673 Castlehill, Walnut, CA 91789

4Beds
4Baths
2,579Sq Ft
2Parking
2026Built
11Days Listed

About This Property

Brand new custom-built luxury home in the heart of Walnut featuring soaring ceilings, sweeping city light and hill views, and an exceptional floor plan designed for modern living. This 4-bedroom, 3.5-bath residence offers 2,579 sqft of meticulously crafted living space with premium finishes throughout. At the heart of the home, a grand open-concept living area seamlessly connects the gourmet kitchen, dining, and living spaces an entertainer's dream designed to accommodate large gatherings with ease. The expansive kitchen anchors the space with generous counter space and an effortless flow that makes hosting feel natural. The main floor features a private ensuite bedroom perfect for guests or multi-generational living. Upstairs, the grand primary suite is a true retreat with a spa-inspired bath complete with a freestanding soaking tub, walk-in shower, and an oversized walk-in closet. Two additional upstairs bedrooms share a well-appointed Jack and Jill bathroom ideal for family living. Enjoy panoramic views of the city lights and rolling hills from the comfort of your own home. No HOA. No Mello Roos. Award-winning Walnut Valley Unified School District and within close proximity to shopping, entertainment and easy access to major freeways

Property Location

Property Details

Property Type
Detached
Bedrooms
4
Bathrooms
4
Building Area
2,579 Sqft
Living Area
2,579 sqft
Year Built
2026
Stories
2.0
Status
Active
Days on Market
11
Cumulative Days on Market
2
Original Price
$1,788,000

Location & Neighborhood

What's nearby 673 Castlehill, Walnut, CA 91789

Nearby Schools

Parks & Recreation

Transit Access

POI data updated 3/25/2026

Walnut Market Snapshot

93

Active Listings

$1363K

Median Price

113

Avg Days on Market

Last updated: Mar 25, 2026

Listed by

Karen Kuit, eXp Realty of California Inc · 626-524-8210

Based on information from California Regional Multiple Listing Service, Inc. as of the date of this data. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing.

$1,788,000