673 Castlehill, Walnut, CA — listing photo 1
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FOR SALENew Listing

673 Castlehill

Walnut, CA 91789
4 Beds
4 Baths
2,579 Sq Ft
Built 2026
$1,388,000

Property Overview

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.

Home Details

Property type
Residential - Single Family Residence
Year built
2026
Living area
2,579 sq ft
Lot size
12,225 sq ft
Parking
2 spaces
Garage
2 spaces
Stories
2
Days on market
1
Cumulative days on market
160
Full bathrooms
3
Half bathrooms
1
MLS status
Active

Features & Amenities

Pool

  • None

Lot

  • Zero To One Unit Acre

Community, Schools & Utilities

Community

Fireplace
Yes
View
Panoramic

Schools

School district
Walnut Valley Unified

Utilities

Cooling
CentralAir
Water
Public
Sewer
PublicSewer
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Location & Neighborhood

673 Castlehill

Walnut, CA 91789

Frequently Asked Questions About 673 Castlehill

Property type: Residential

The current asking price is $1,388,000. Pricing is subject to change and may vary based on market conditions, negotiations, and property updates. Contact our team to verify current pricing.
Yes. Use the Book Visit action or contact form to request an in-person or virtual tour of 673 Castlehill. Our team will confirm availability and timing.
This 4 bedrooms and 4 bathrooms property offers approximately 2,579 square feet of living space. It was built in 2026. Review the listing details and disclosures, then independently verify material features before making a decision.
The property is in Walnut, California. Review the map, visit at relevant times of day, and verify schools, commute routes, services, noise, hazards, and local rules for the exact address.
Financing depends on the buyer, lender, property type, condition, appraisal, insurance, and association documents. A qualified lender can confirm available programs and costs for this Walnut property.
The MLS currently reports the property as Active. It has been listed for 1 days. Status can change, so verify availability before relying on it.

What clients say

“Reza was the best agent we have ever worked with.”Russell & Susan McQueen

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Listing Agent

Name: Julie Lee
MLS ID: IGLEEJULI

Available property

$1,388,000

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Data provided by California Regional Multiple Listing Service, Inc. ("CRMLS"). Information is for viewer's personal, non-commercial use. All data should be independently verified for accuracy.