673 Castlehill Drive, Walnut, CA 91789 (MLS # AR26056234)

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PRICE $1,788,000 dsIDX morgage calculator
BEDS 4
BATHS 3.25
HOME SIZE 2,579 sqft
LOT SIZE 12,223 sqft

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. 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, 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 a 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. 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

DAYS ON MARKET 14 LAST UPDATED 3/24/2026
YEAR BUILT 2026 COMMUNITY 668 - Walnut
GARAGE SPACES 2.0 COUNTY Los Angeles
STATUS Active PROPERTY TYPE(S) Single Family


ADDITIONAL DETAILS
AIR Central Air
AIR CONDITIONING Yes
AREA 668 - Walnut
FIREPLACE Yes
GARAGE Attached Garage, Yes
LOT 0.2806 acre(s)
LOT DESCRIPTION Back Yard
LOT DIMENSIONS 12225
PARKING Attached
POOL DESCRIPTION None
SEWER Unknown
STORIES 2
VIEW Yes
VIEW DESCRIPTION City Lights, Mountain(s)
WATER Public
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Listed with eXp Realty of California Inc

The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.

Based on information from California Regional Multiple Listing Service, Inc. as of 3/28/26 1:48 AM PDT and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information

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