1809 Diamond Knoll, Diamond Bar
$4,000,000
6 bd · 5 ba · 5,797 sqft · Home · Diamond Bar · 5 days on market
Updated October 6, 2026
Key Facts
- Price / SqFt
- $690
- Property Type
- Home
- Year Built
- 1992
- Lot Size
- 45,189 sqft
- Garage
- 6 cars
- Stories
- 2
- HOA
- $308/mo
- Days on Market
- 5
- Listed
- Sep 30, 2026
- MLS #
- DW26217188
- Status
- Active
Request a Showing
About this home
STUNNING DIAMOND BAR ESTATE WITH PANORAMIC VIEWS! Welcome to luxury living in an exclusive gated community in the prestigious Diamond Bar Hills. This immaculate estate offers breathtaking mountain views, soaring vaulted ceilings, beautiful hardwood floors, and an open, light filled floor plan. The gourmet kitchen features quartz countertops, oversized island, stainless-steel appliances, and a stunning glass tile backsplash. The spacious primary suite offers panoramic views and a private wrap-around balcony. Step into your own resort style backyard with a sparkling pool & spa, waterfall grotto, hot tub, built-in BBQ, and gazebo perfect for entertaining or relaxing. A guest house and private gym add even more versatility. Located near premier golf, dining, fitness, and highly acclaimed Walnut Valley Unified schools. Privacy. Luxury. Views. Resort-style living. This exceptional Diamond Bar estate is one you won’t want to miss!
Highlights
- 6-bedroom, 5-bath home.
- 5,797 square feet of living space.
- Located in Diamond Bar.
Price History
| Date | Price | Change |
|---|---|---|
| Oct 6, 2026 | $4,000,000 | — |
| Listed Sep 30, 2026 | ||
Location
About Diamond Bar
- Active Listings
- 195
- Median Price
- $1,058,688
Estimate a Monthly Payment
Estimated Monthly Payment
$26,123/mo
Includes estimated taxes and insurance at the assumption rates below. HOA dues are not included — enter your community's HOA (varies widely by community, and absent from listing data) for an accurate total.
- Principal & Interest
- $21,290
- Property Tax
- $3,667
- Insurance
- $1,167
- HOAnot included — enter your dues
- $0
Estimate only — not a loan offer or rate quote. Confirm actual figures with a lender.
Get Pre-Approved →Listing courtesy of Lux Bancorp
Based on information from California Regional MLS as of 2026-10-06T16:23:46.267Z. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS.