Views · The Hillside
Why City-Light View Lots in Walnut Are So Sought After
By Watson Gan · October 28, 2026
Walnut is built on the southern slopes of the San Jose Hills, and the city's most wanted homes sit where the ground drops away from the street. From those lots the view opens up: rolling hills in the foreground and the lights of the San Gabriel Valley spreading out below at night.
Land like that does not come around often. Walnut is a mostly built-out city of about 28,400 people, so a brand-new custom home on an oversized 13,000+ square foot view lot, like 677 Castlehill Dr, is a genuinely rare combination.
What the lot at 677 Castlehill Dr offers
The 13,000+ square foot parcel steps down the hill in terraced landscape walls planted with mature shrubs, ornamental grasses, and palms, and it is framed by black metal fencing along the slope. A rear street adds a second point of access and flexibility, and the flat main backyard leaves room for an ADU or additional outdoor living space, subject to city requirements.
Why views compound in value
A view is one of the few features a builder cannot replicate. It sets the tone of the whole property: the kitchen, the primary suite, even a home office upstairs all read differently when light and horizon come with them. That is why view lots hold their value in any market and draw buyers from across Los Angeles County.
The address behind the view
The location does the rest of the work. Walnut is roughly 26 miles east of downtown Los Angeles with the 57, 60, 10, and 605 freeways nearby, and the home sits in the Walnut Valley Unified School District, with Mt. San Antonio College around the corner. There is no HOA and no Mello-Roos here, which is unusual for a hillside community.
See the View Yourself
Book a look at 677 Castlehill Dr
Photographs capture the outlook, but standing on the hillside is the only way to measure it. Schedule a private tour with Watson Gan before the foreclosure sale timeline decides for you.
Lot descriptions and ADU potential are as reported by the listing and are subject to city requirements. Verify zoning and allowable uses with the City of Walnut.