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673 Castlehill, 
Walnut, CA 91789

$1,388,000


4

Beds


4

Baths


2,579

Sq Ft


Single Family

Active

Listed by

Julie Lee

Jl Realty & Management

, 

Non Listed Office

Last updated:

October 17, 2026, 02:38 PM

MLS#

IG26218237

Source:

San Diego MLS via CRMLS

About This Home

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

Home Facts

Single Family

4 Baths

4 Bedrooms

Built in 2026

Price Summary

1,388,000

$538 per Sq. Ft.

MLS #:

IG26218237

Last Updated:

October 17, 2026, 02:38 PM

Added:

11 day(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

4

Full Bathrooms:

3

Interior

Living Area:

2,579 Sq. Ft.


Structure

Structure

Building Area:

2,579 Sq. Ft.

Year Built:

2026


Finances & Disclosures

Finances

Price:

$1,388,000

Price per Sq. Ft:

$538 per Sq. Ft.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.