673 Castlehill
Walnut, CA, 91789
$1,498,000
Original list price: $1,588,000
MLS: TR26153526
Beds
4
Baths
4
Sq Ft
2,579
Lot
0.28 ac
Year Built
2026
MLS #
TR26153526
Days on Market
54
Listed
Jul 15, 2026
Description
Welcome to brand new custom-built luxury single family residence in prestigious city of Walnut, with winning Walnut Valley School Unified School District. Great place to raise your kids. Big lot over 12,000 sq ft. With city lights and hill views. Offering 4 bedrooms and 3.5 bathrooms. Main floor with one bedroom suite and separate powder room. Open floor plan with family room and dining room. Luxury vinyl plank flooring and high ceilings. A lot of upgrades in gourmet kitchen with elegant back splash, glass windows cabinets, quartz countertops and a large center island. Slow closing drawers. Fireplace in family room. The primary suite with a freestanding soaking tub, walk-in shower and an oversized walk-in closet. Two additional bedrooms share with Jack and Jill bathroom. The garage finished with epoxy floors. No HOA. No Mello Roos. Located near major highways, shopping, dining and top-rated schools. Potential to build ADU in the backyard. There is another street in the backyard. Schedule your private tour today.
Location
Walnut, Los Angeles County, CA 91789
Open on Google Maps ↗Listed by: Ying-Yu Chang · ReMax 2000 Realty
Listing information is provided courtesy of the Greater Antelope Valley Association of Realtors (GAVAR) and California Regional MLS (CRMLS). Information is deemed reliable but not guaranteed accurate by the MLS or by Mike Watson. All data, including square footage, lot size, room count, permits, and school assignment, should be independently verified. Properties shown may be listed by brokerages other than Keller Williams Realty. Listings are subject to prior sale, change, or withdrawal without notice.
Payment estimate
$11,131
/ month (est.)
Principal, interest, taxes, and insurance + PMI. Down payment: $149,800 · Loan: $1,348,200
Average 30-yr fixed rate 6.71% as of Sep 3, 2026 (Freddie Mac PMMS). Adjust to your quote.
- Principal & Interest
- $8,709
- Property tax (1.25%)
- $1,560
- Homeowners insurance
- $300
- Mortgage insurance
- $562
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 Sep 3, 2026
- 30-year fixed
- 6.71%
- 15-year fixed
- 6.04%
Source: Freddie Mac Primary Mortgage Market Survey (PMMS). Updated weekly.
About the area · Mike Watson
About the Antelope Valley
The Antelope Valley spans Lancaster, Palmdale, Quartz Hill, Rosamond, Lake Los Angeles, California City, Edwards AFB, and the Plant 42 aerospace corridor. Mike Watson is a lifelong AV resident and the #1 producing individual Realtor in the region by transaction count. Every active listing on this site is paired with a free market analysis tailored to the specific street, honest financing guidance (FHA, VA, USDA, CalHFA, conventional, and assumable loans where the financing supports it), and side-by-side comparisons against the rest of the active inventory in your target ZIP.
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 $52,430 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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Local Market Stats
See Walnut, CA 91789 market trends →
Median sold price, days on market, active inventory, price brackets, and 12-month trends — pulled live from the MLS.
★#1 Producing Individual Realtor — Antelope Valley
Only large teams outsell Mike Watson · Keller Williams Realty
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