685 Castlehill Drive, Walnut, CA 91789
685 Castlehill Drive, Walnut, CA 91789
Property Description
Introducing the brand new single family home in Walnut, built in 2026 and located within the highly sought after Walnut Valley Unified School District, with NO HOA and NO Mello Roos Tax. This exclusive enclave offers approximately 2,467 square feet of refined living space on generous lots ranging from approximately 12,060 square feet, floor plans featuring four bedrooms and three and a half bathrooms to four and a half bathrooms. Designed for modern comfort and elegant entertaining, each residence showcases soaring ceilings, luxury vinyl plank flooring, sleek iron railings, and a bright open concept layout centered around a gourmet kitchen with quartz countertops, premium stainless steel appliances, custom cabinetry, and a large center island. Walls of windows and sliding glass doors bring in abundant natural light while creating seamless indoor outdoor living, opening to landscaped backyards with lush lawns, pergola covered patios, and potential ADU possibilities. Additional highlights include a main level junior suite ideal for guests or multigenerational living, a spa inspired primary retreat with a soaking tub and walk in closet, two car garages with stone facades, private side yards, hillside views, and a convenient location near shopping, freeways, and top rated schools. Certain photos have been virtually staged and/or enhanced or generated using artificial intelligence to illustrate possible furnishings, landscaping, or design concepts. Actual property conditions may vary.
Features & Amenities
Property Details
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Comparative Market Analysis
Residential Tier · 5 active · 5 closed
Walnut · Single Family Residence
Listed 15.3% below the median closed sale of $1,650,000. Price per sqft ($567) is a 14% discount to closed comps ($657).
Price Position
Priced below the market — value advantage over the field.
Active Properties (5)
Active Comparables
| Address | City | Year | BD | BTH | SqFt | LotSz | LP/SqFt | LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|
| 673 Castlehill | Walnut | 2026 | 4 | 4 | 2,579 | 12,225 | $538 | $1.39M | 3 | 98 |
| 693 Castlehill Drive | Walnut | 2026 | 4 | 4 | 2,432 | 9,944 | $571 | $1.39M | 67 | 96 |
| 22112 Portofino Drive | Walnut | 2024 | 4 | 4 | 2,325 | 3,190 | $817 | $1.90M | 95 | 86 |
| 20505 Missionary Ridge Street | Walnut | 1974 | 4 | 3 | 2,265 | 9,932 | $573 | $1.30M | 95 | 84 |
| 20512 Starshine | Walnut | 1974 | 4 | 3 | 2,265 | 8,621 | $618 | $1.40M | 24 | 83 |
| Total: 5 · Average | 4.0 | 3.6 | 2,373.2 | 8,782.4 | $623.4 | $1.47M | 56.8 | |||
| Median | 2,325 | $1.39M | ||||||||
Closed Properties (5)
Closed Comparables
| Address | City | Year | Date | BD | BTH | SqFt | LotSz | LP | SP | SP/SqFt | SP/LP | DIM | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 309 Camino De Gloria | Walnut | 2011 | 09/02/2026 | 4 | 4 | 2,435 | 7,422 | $1.20M | $1.16M | $474 | 0.96 | 48 | 90 |
| 1941 Onyx Drive | Walnut | 1988 | 08/12/2026 | 4 | 3 | 2,440 | 12,036 | $1.73M | $1.65M | $676 | 0.95 | 68 | 89 |
| 22080 Portofino Drive | Walnut | 2024 | 09/21/2026 | 4 | 4 | 2,520 | 3,542 | $2.00M | $1.85M | $734 | 0.93 | 87 | 88 |
| 22092 Portofino Avenue | Walnut | 2024 | 07/31/2026 | 4 | 4 | 2,325 | 3,190 | $1.82M | $1.80M | $774 | 0.99 | 365 | 86 |
| 825 BRIDGEWATER Lane | Walnut | 1986 | 08/11/2026 | 4 | 3 | 2,481 | 8,645 | $1.55M | $1.55M | $625 | 1.00 | 19 | 83 |
| Total: 5 · Average | 4.0 | 3.6 | 2,440.2 | 6,967 | $1.60M | $1.60M | $656.6 | — | 117.4 | ||||
| Median | 2,440 | $1.65M | $1.65M | ||||||||||
Market Analysis
List vs Sale $/SqFt
Sale Price Trend
Days on Market
Sale vs List Price
This analysis was generated automatically from MLS data. For an in-depth, human-reviewed valuation, contact Joseph Sardella at josephsardella@gmail.com.