22588 Ridge Line Road, Diamond Bar
$6,500,000
11 bd · 12 ba · 17,241 sqft · Home · Diamond Bar · 147 days on market
Updated August 20, 2026
Key Facts
- Price / SqFt
- $377
- Property Type
- Home
- Year Built
- 2008
- Lot Size
- 53,347 sqft
- Garage
- 10 cars
- Stories
- 3
- HOA
- $308/mo
- Days on Market
- 147
- Listed
- Mar 26, 2026
- MLS #
- TR26059752
- Status
- Active
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About this home
Luxurious 17,000-square-foot mansion located in the renowned “The Country Estates”. This efficiently designed residence features nine generously sized en-suite bedrooms, along with two huge primary suites and two powder rooms on the main level, totaling 11 bedrooms and 13 bathrooms. Situated on approximately 1.2 acres of well-maintained landscaping, the home captures breathtaking views of city lights and scenic hills from multiple vantage points. Upon entry, you’re welcomed by polished marble floors, soaring vaulted ceilings, and an impressive foyer with a dual staircase. The main level open-concept living areas create a bright and inviting atmosphere, ideal for both everyday living and entertaining and are equipped with two powder rooms and a bar area that’s perfect for hosting guests. The gourmet kitchen is designed for both functionality and style, featuring a large island, an oversized butler’s pantry, and additional high-end features to support daily living and entertaining needs. An elevator adds convenience and accessibility throughout the home. The ten-car garage provides ample space for large households or car enthusiasts. Additional interior highlights include a private game room, home theater, and a dedicated meditation room. The backyard offers an Italian villa-inspired retreat, designed for relaxation and complete with a Pool, Spa, BBQ station. Carefully crafted, this home blends refined elegance with everyday comfort. Located in a highly sought-after community with top-rated schools, the HOA includes 24-hour guard-gated security and amenities such as a community pool and spa, tennis courts, a clubhouse, and more. Come experience everything this exceptional property has to offer.
Highlights
- 11-bedroom, 12-bath home.
- 17,241 square feet of living space.
- Located in Diamond Bar.
Price History
| Date | Price | Change |
|---|---|---|
| Aug 20, 2026 | $6,500,000 | — |
| Listed Mar 26, 2026 | ||
Location
About Diamond Bar
- Active Listings
- 132
- Median Price
- $1,100,000
Estimate a Monthly Payment
Estimated Monthly Payment
$42,450/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
- $34,596
- Property Tax
- $5,958
- Insurance
- $1,896
- HOAnot included — enter your dues
- $0
Estimate only — not a loan offer or rate quote. Confirm actual figures with a lender.
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Based on information from California Regional MLS as of 2026-08-21T00:03:35.353Z. 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.