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677 Castlehill Drive Walnut, CA 91789
$1,200,000 4 beds, 5 baths
2, 900 sqft
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Photo of Lisa Cooper

Lisa Cooper REALTOR® - Sales Associate 949-300-1236 m
Lic#: 01084345
NRDS ID: 205500994
lisa@lisacooper.com
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Lic#: 01084345
NRDS ID: 205500994
lisa@lisacooper.com
Monarch Beach Office
2 Ritz Carlton Drive, Ste, 201
Monarch Beach, CA 92629
Phone: 949-443-2000
Fax: 949-443-2209
Monarch Beach 2 Ritz Carlton Drive, Ste, 201
Monarch Beach, CA 92629
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FORECLOSURE SALE – VIEW! VIEW! VIEW! PRICED TO SELL FAST! REDUCED FROM $1,800,000 (original listing price)... Don’t Miss This Opportunity to Make This BRAND-NEW CUSTOM LUXURY HOME WITH BREATHTAKING VIEWS Your Home Sweet Home! Discover this exceptional brand-new custom home on a premium 13,000+ sq. ft. lot in the highly desirable City of Walnut. Offering 2,900 sq. ft. of living space, 4 bedroom suites, and 4.5 bathrooms, this stunning residence features high-quality craftsmanship, sophisticated finishes, soaring ceilings, and an open-concept design. The impressive gourmet kitchen features an upgraded backsplash, stainless steel appliances, elegant cabinetry, quartz countertops, a large center island, and soft-closing drawers, opening seamlessly to the dining and spacious family room with fireplace. Expansive windows showcase panoramic city-light and rolling-hill views. The main level includes a private ensuite bedroom and powder room, ideal for guests or multigenerational living. Upstairs, the luxurious primary suite offers a freestanding soaking tub, walk-in shower, and oversized walk-in closet. Two additional bedroom suites each have their own bathrooms, plus a versatile loft, perfect for an office or study area. The oversized garage features epoxy flooring, ample storage, and direct access. The expansive backyard offers stunning views and potential for an ADU or additional outdoor living space, subject to city requirements. A rear street provides added access and flexibility. Located in the highly regarded Walnut Valley Unified School District, this exceptional home is close to shopping, dining, entertainment, major freeways, and everyday conveniences. A rare opportunity to own a brand-new custom luxury home on an oversized lot with spectacular views and no HOA or MELLO-ROOS!

Listing Details

Property type: Single Family Residence (Single Family)
Status: Active
MLS# AR26229293
List price is $1,200,000
HOA Fee is $0.00
Beds: 4
Baths: 5 (4 full) (1 half)
Family Room fireplaces
Built in 2026
2,900 sqft
2 stories
0.31 acres
Lot size: 0.3105
County: Los Angeles
Property style: Contemporary
Interior features: Separate/Formal Dining Room,Entrance Foyer,Main Level Primary
Heating/cooling: Central Air
Heating description: Central
MLS area: 668 - Walnut

Last Updated: 10/30/2026

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This listing belongs to the 668 - Walnut MLS area

The style of this listing is Contemporary.
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Lat/Long: 34.007153, -117.866099.
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Listing Agent: Watson Gan
Lic#: 01084345
Office Name: Monarch Beach

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Total population of , which has changed by % since 1990.
The median age of the population is , while the median age of dwellings is .
Out of households, are families.

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Photo of Lisa Cooper

Lisa Cooper REALTOR® - Sales Associate 949-300-1236 m
Lic#: 01084345
NRDS ID: 205500994
lisa@lisacooper.com
Text Me
Call My Cell
Lic#: 01084345
NRDS ID: 205500994
lisa@lisacooper.com

Monarch Beach Office
2 Ritz Carlton Drive, Ste, 201
Monarch Beach, CA 92629
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