673 Castlehill Drive
Walnut, CA, 91789
$1,690,000
MLS: AR26056234
Beds
4
Baths
4
Sq Ft
2,579
Lot
0.28 ac
Year Built
2026
MLS #
AR26056234
Days on Market
26
Listed
Mar 24, 2026
Description
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
Location
Walnut, Los Angeles County, CA 91789
Open on Google Maps ↗Listed by: Karen Kuit · eXp Realty of California Inc
Payment estimate
$12,039
/ month (est.)
Principal, interest, taxes, and insurance + PMI. Down payment: $169,000 · Loan: $1,521,000
- Principal & Interest
- $9,345
- Property tax (1.25%)
- $1,760
- Homeowners insurance
- $300
- Mortgage insurance
- $634
Login required. The full tool supports FHA / VA / USDA, PMI by credit tier, lender fees, and total cash to close — with your inputs here carried over.
Today's Rates
As of Apr 23, 2026
- 30-year fixed
- 6.23%
- 15-year fixed
- 5.58%
Source: Freddie Mac Primary Mortgage Market Survey (PMMS). Updated weekly.
Financing Options
FHA Financing — 3.5% Down＋
First-time and repeat buyers can purchase this Walnut home with as little as 3.5% down using an FHA loan — roughly $59,150 down. FHA loans feature flexible credit guidelines and government-backed rates, making homeownership accessible for buyers who haven't saved a large down payment. Seller concessions up to 6% of the purchase price are also allowed.
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