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4 Beds
4 Baths
2,579 sqft

$1,388,000

673 Castlehill, Walnut CA, 91789

Price per sqft$538.19
Built in2026
Property size2,579 sqft
Property typeResidential
Listed by Julie Lee CA DRE# 01892085 with JL Realty & Management 213-321-5855

Overview

Active

Listed Oct 8, 2026

Updated 2h ago

BRAND-NEW CUSTOM LUXURY HOME WITH BREATHTAKING CITY-LIGHT VIEWS IN WALNUT! This exceptional 4-bedroom, 3.5-bath residence sits on an expansive 12,000+ sq. ft. lot and offers approximately 2,579 sq. ft. of beautifully designed living space with premium, high-quality upgrades throughout. Soaring ceilings, sophisticated finishes, an open-concept floor plan, and panoramic city-light and rolling-hill views create an exceptional blend of luxury, comfort, and modern living. The impressive gourmet kitchen is the centerpiece of the home, featuring an upgraded backsplash, elegant glass-front cabinetry, quartz countertops, a large center island, and soft-closing drawers. It flows seamlessly into the dining and spacious family room, creating an ideal space for entertaining and everyday gatherings. A fireplace adds warmth to the family room, while luxury vinyl plank flooring and high ceilings enhance the home's contemporary style. The main level features a private ensuite bedroom, ideal for guests, extended family, or multigenerational living, plus a separate powder room. Upstairs, the luxurious primary suite offers a spa-inspired retreat with a freestanding soaking tub, walk-in shower, and oversized walk-in closet. Two additional bedrooms share a convenient Jack-and-Jill bathroom. The oversized garage features epoxy flooring, abundant storage, and direct access to the home. The expansive backyard offers beautiful city-light and hillside views, along with potential for an ADU or additional outdoor living space, subject to applicable city requirements. An additional street at the rear of the property provides added access and flexibility. NO HOA. NO MELLO-ROOS. Located in the highly regarded Walnut Valley Unified School District, this home is conveniently close to shopping, dining, entertainment, major freeways, and everyday conveniences. A rare opportunity to own a brand-new custom luxury home on a premium oversized lot with exceptional views, high-quality upgrades, and no HOA or Mello-Roos in the heart of Walnut.

$9,234/mo

Est. mortgage payment based on a $1,388,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
IG26218237

Interior Features

Bedrooms
4
Bathrooms
4
Fireplace
Yes
Cooling
Yes
Basement
No

Exterior Features

Lot Size
0.28 Acres

Other Property Details

Garage
Yes
View
Yes
55+/Senior Community
No
MLS provider logo

Listed by Julie Lee CA DRE# 01892085 with JL Realty & Management 213-321-5855

Based on information from the California Regional Multiple Listing Service (CRMLS) as of 10/9/2026. 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. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, the Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent. Property locations as displayed on any map are best approximations only and exact locations should be independently verified. Any offer of compensation is made only to participants of the MLS where the listing is filed.

©2026 California Regional Multiple Listing Service (CRMLS) all rights reserved.

Data last updated on 10/9/2026 at 7:07 AM UTC Last Checked: 7:07 AM UTC

 

 

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