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673 Castlehill Drive, 
Walnut, CA 91789

$1,599,000

4

Beds

4

Baths

2,579

Sq Ft

Single Family

Active

Listed by

Karen Kuit

eXp Realty Of California Inc

, 

Non Listed Office

Last updated:

May 30, 2026, 02:07 PM

MLS#

AR26056234

Source:

San Diego MLS via CRMLS

About This Home

673 Castlehill Drive

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. with over $50,000.00 in upgrades! 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 finished with upgraded backsplash, 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 an upgraded 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. The oversized garage features epoxy floors with plenty of storage and direct access to the home. 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.

Home Facts

Single Family

4 Baths

4 Bedrooms

Built in 2026

Price Summary

1,599,000

$620 per Sq. Ft.

MLS #:

AR26056234

Last Updated:

May 30, 2026, 02:07 PM

Added:

2 month(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:

$1,599,000

Price per Sq. Ft:

$620 per Sq. Ft.

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673 Castlehill Drive
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Sun, May 31
02:00 PM - 04:00 PM

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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.