673 Castlehill, Walnut 91789

$1,388,000

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4

Beds

4

Baths

2,579

Square feet

12,225

Lot Size

Listing Agent
Julie Lee - JL Realty & Management

About 673 Castlehill

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.

Features of 673 Castlehill

MLS® # IG26218237
Price $1,388,000
Bedrooms 4
Bathrooms 4.00
Full Baths 3
Half Baths 1
Square Footage 2,579
Lot Size 12,225
Year Built 2026
Type Residential
Sub-Type Single Family Residence
Status Active
# Of Units 1

Community Information

Address 673 Castlehill
Area 668 - Walnut
City Walnut
County Los Angeles
Zip Code 91789

Amenities

Parking Spaces 2
# of Garages 2
View Panoramic
Is Waterfront No
Has Pool No
Pool None

Interior

Cooling Central Air
Has Basement No
Fireplace Yes
Fireplaces Family Room
# of Stories 2
Stories Two

Exterior

Lot Description ZeroToOneUnitAcre

School Information

District Walnut Valley Unified

Additional Information

Date Listed October 7th, 2026
Days on Market 8
Foreclosure No
Short Sale No
RE / Bank Owned No

Listing Details

AgentJulie Lee
OfficeJL Realty & Management

Listing Map

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