673 Castlehill
Walnut, CA 91789
Listing broker / agent: JL Realty & Management · Julie Lee · 213-321-5855 · CRMLS
MLS # IG26218237 · Last checked Oct 9, 2026 17:26 UTC
About this property
BRAND-NEW CUSTOM LUXURY HOME WITH BREATHTAKING CITY-LIGHT VIEWS IN WALNUT! This exceptional 4-bedroom, 3.5-bath residence sits on an expansive 12,000+ sq. ft. lot and offers approximately 2,579 sq. ft. of beautifully designed living space with premium, high-quality upgrades throughout. Soaring ceilings, sophisticated finishes, an open-concept floor plan, and panoramic city-light and rolling-hill views create an exceptional blend of luxury, comfort, and modern living. The impressive gourmet kitchen is the centerpiece of the home, featuring an upgraded backsplash, elegant glass-front cabinetry, quartz countertops, a large center island, and soft-closing drawers. It flows seamlessly into the dining and spacious family room, creating an ideal space for entertaining and everyday gatherings. A fireplace adds warmth to the family room, while luxury vinyl plank flooring and high ceilings enhance the home's contemporary style. The main level features a private ensuite bedroom, ideal for guests, extended family, or multigenerational living, plus a separate powder room. Upstairs, the luxurious primary suite offers a spa-inspired retreat with a freestanding soaking tub, walk-in shower, and oversized walk-in closet. Two additional bedrooms share a convenient Jack-and-Jill bathroom. The oversized garage features epoxy flooring, abundant storage, and direct access to the home. The expansive backyard offers beautiful city-light and hillside views, along with potential for an ADU or additional outdoor living space, subject to applicable city requirements. An additional street at the rear of the property provides added access and flexibility. NO HOA. NO MELLO-ROOS. Located in the highly regarded Walnut Valley Unified School District, this home is conveniently close to shopping, dining, entertainment, major freeways, and everyday conveniences. A rare opportunity to own a brand-new custom luxury home on a premium oversized lot with exceptional views, high-quality upgrades, and no HOA or Mello-Roos in the heart of Walnut.
Property details
- MLS number
- IG26218237
- Status
- Active
- Type
- Residential
- Subtype
- Single Family Residence
- Beds / baths
- 4 Beds • 4 Baths
- Living area
- 2,579 Sq Ft
- Lot size
- 0.2806 acres
- Year built
- 2026
- Stories
- 2
More property detailsCollapse
Listing
- Days on market
- 1
Building
- Year built
- 2026
- Year built source
- Assessor
- Stories
- 2
- Building stories
- 2
- Levels
- Two
- Entry level
- 1
- Living area source
- Assessor
Bathrooms
- Full bathrooms
- 3
- Half bathrooms
- 1
Rooms & interior
- Main-level bedrooms
- 0
- Main-level bathrooms
- 1
- Rooms
- Family Room, Kitchen, Living Room
- Cooling
- Central Air
- Fireplace
- Family Room
- Laundry
- Laundry Closet
Exterior & parking
- Total parking spaces
- 2
- Garage spaces
- 2
- Attached garage
- Yes
- Pool
- None
- Lot features
- Zero To One Unit Acre
- Lot size source
- Assessor
- Property outlook
- Panoramic
Utilities & community
- Water
- Public
- Sewer
- Public Sewer
- Community features
- Street Lights
Fees & lease terms
- Association
- No
- Association fee
- $0.00
Schools reported in the listing
- High school district
- Walnut Valley Unified
School information is supplied with the listing. Confirm current attendance boundaries and enrollment eligibility directly with the school district.
Nearby public schools
Nearby does not mean assigned. These are approximate straight-line distances from the property, not walking or driving routes. Confirm attendance boundaries, enrollment eligibility, grades and current school status directly with the district.
| School / district | Grades | Distance |
|---|---|---|
| Cyrus J. Morris Elementary (school website, opens in a new tab) Walnut Valley Unified · Walnut | K–5 | 0.4 mi |
| Ron Hockwalt Academies (Continuation) (school website, opens in a new tab) Walnut Valley Unified · Walnut | 9–12 | 0.6 mi |
| Vejar Elementary (school website, opens in a new tab) Walnut Valley Unified · Walnut | K–5 | 0.7 mi |
| Hollingworth Elementary Rowland Unified · West Covina | K–6 | 0.8 mi |
| Walnut Elementary (school website, opens in a new tab) Walnut Valley Unified · Walnut | K–5 | 0.8 mi |
| Telesis Academy of Science & Math Rowland Unified · West Covina | K–8 | 1.0 mi |
| Ybarra Academy for the Arts and Technology Rowland Unified · Walnut | K–8 | 1.1 mi |
| Nogales High Rowland Unified · La Puente | 9–12 | 1.3 mi |
Source: California Department of Education · 2025-26 school locations. Downloaded Oct 2, 2026 UTC. This annual snapshot may not reflect later changes. Public schools only; not a complete list of education options. No ratings or attendance assignments are provided.
Check the California School Directory ↗Price and tax history
Asking price
- Current asking price
- $1,388,000
- MLS-reported original asking price
- $1,388,000
| Observed (UTC) | Asking price |
|---|---|
| Oct 7, 2026 17:59 | $1,388,000 |
MLS values are reported for this listing, not prior sales. Observation dates show when our importer saw an asking price, not when the MLS changed it. Up to 24 observations are retained; changes between refreshes may be missed. This is not a complete price or sales history.
Property taxes
Tax history is not available from the imported listing data.
Source: MLS feed. Only supplied tax years are shown, up to 10 years; this is not a county tax archive. Amounts may be corrected and taxes may change after purchase. Verify assessments and current taxes with the county. These values do not automatically fill the payment calculator.
Market trends in Walnut
Active residential homes for sale in Walnut, CA, available through this website's authorized feed. Includes residential subtypes; excludes rentals. Not the entire market or a valuation of this property.
Observed price activity · past 30 days
6 currently active listings have an observed price-change pair ending in this period. A listing can appear in both counts.
Calculated 2026-10-09 18:09 UTC. Source: this website's authorized MLS inventory. Import progress, freshness rules and coverage affect the figures. Medians exclude missing/invalid values; price per sq ft is the median of individual listing ratios. Price observations are limited to the last 24 per listing and may miss changes between refreshes. This is not a complete 30-day market report, historical inventory trend, appreciation measure, or sold-price analysis.
Payment calculator
Explore a fixed-rate loan scenario. The price comes from this listing; a 20% down payment and 30-year term are starting assumptions, not requirements. Enter your own interest rate—not APR—and estimated costs.
Illustration only—not a rate quote, preapproval, lending offer or affordability determination. Assumes equal monthly payments on a fully amortizing fixed-rate loan; no adjustable rates, interest-only periods or balloon payments. Excludes closing costs, utilities, maintenance, special assessments and other unentered costs. Actual payments and escrow can differ. Review a Loan Estimate with your lender.
Understanding homeownership costs — CFPB ↗