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685 Castlehill Drive, 
Walnut, CA 91789

$1,746,900

4

Beds

5

Baths

2,467

Sq Ft

Single Family

Active

Listed by

Edward Chen

Real Brokerage Technologies

, 

Non Listed Office

Last updated:

February 26, 2026, 03:38 PM

MLS#

WS26034993

Source:

San Diego MLS via CRMLS

About This Home

685 Castlehill Drive

Welcome to an exclusive new enclave of just six newly built luxury single family residences in the prestigious City of Walnut, celebrated for its award winning Walnut Valley Unified School District. Set on expansive lots with breathtaking hillside views, each home offers approximately 2,432 to 2,900 square feet of refined living space on generous lots ranging from 9,950 square feet to 13,630 square feet, featuring four bedrooms and four and a half bathrooms. Designed for modern comfort and elegant entertaining, these residences showcase soaring ceilings, luxury vinyl plank flooring, sleek iron railings, and a bright open concept layout anchored by a gourmet kitchen with quartz countertops, premium stainless steel appliances, custom cabinetry, and a large center island. Walls of windows and sliding glass doors invite abundant natural light and seamless indoor outdoor living, opening to landscaped backyards with lush lawns, pergola covered patios, and ADU potential. Highlights include a main level junior suite ideal for guests or multi generational living, a spa inspired primary retreat with a soaking tub and walk in closet, two car garages with stone facades, private side yards, no HOA, no Mello Roos, and a prime location near major freeways, shopping, and top rated schools, making this a rare opportunity to own brand new luxury in one of Walnuts most desirable neighborhoods.

Home Facts

Single Family

5 Baths

4 Bedrooms

Built in 2026

Price Summary

1,746,900

$708 per Sq. Ft.

MLS #:

WS26034993

Last Updated:

February 26, 2026, 03:38 PM

Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

5

Full Bathrooms:

4

Interior

Living Area:

2,467 Sq. Ft.

Structure

Structure

Building Area:

2,467 Sq. Ft.

Year Built:

2026

Finances & Disclosures

Finances

Price:

$1,746,900

Price per Sq. Ft:

$708 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.