Listed by Ying Wang, Universal Elite Inc., (949) 379-6713 . Bought with Universal Elite Realty
1511 Ruby Ct
Diamond Bar, CA 91765
- 5 Beds
- 4.5 Baths
- 4,521 sqft
5 Beds
4.5 Baths
4,521 sqft
Local Information
-- mins to
Home Highlights
Property Type
Single-Family Home
Year Built
1998
Living Area
4,521 sqft
Price/Sqft
$485
Parking
2 Car Garage
HOA
$200/Monthly
About this House
Welcome to a rare gem located in the prestigious gated community of Diamond Crest, within the award-winning Walnut Valley Unified School District.
This exquisite estate sits on an expansive 10,498 sq. ft. lot and offers approximately 4,521 sq. ft. of refined living space, featuring 5 spacious bedrooms and 4.5 bathrooms. Designed for both elegance and functionality, the home boasts a desirable downstairs en-suite bedroom, ideal for guests or multigenerational living.
Step into the dramatic formal living room with soaring double-height ceilings and an elegant crystal chandelier that creates a striking first impression. The grand primary suite upstairs is filled with natural light and includes a generous walk-in closet and a luxurious spa-inspired bathroom.
The gourmet kitchen, fully remodeled in 2017, showcases high-end appliances, custom cabinetry, and premium finishes — a dream for any culinary enthusiast.
The front courtyard is enhanced by stately stone pillar accents, lending timeless sophistication and strong curb appeal. In the resort-style backyard, enjoy a private oasis featuring a sparkling swimming pool, spa, built-in BBQ, and meticulously landscaped grounds — perfect for outdoor entertaining and relaxation.
Additional highlights include low property taxes, a 3-car attached garage, and an unbeatable location near the 57 and 60 freeways, top-rated restaurants, shopping, and parks.
Zoned for top-tier schools including Walnut Elementary, South Pointe Middle, and Diamond Bar High School, this home offers an exceptional lifestyle in one of Diamond Bar’s most exclusive gated neighborhoods.
Don't miss this extraordinary opportunity to own a luxurious home in one of Diamond Bar’s most sought-after gated enclaves.
This exquisite estate sits on an expansive 10,498 sq. ft. lot and offers approximately 4,521 sq. ft. of refined living space, featuring 5 spacious bedrooms and 4.5 bathrooms. Designed for both elegance and functionality, the home boasts a desirable downstairs en-suite bedroom, ideal for guests or multigenerational living.
Step into the dramatic formal living room with soaring double-height ceilings and an elegant crystal chandelier that creates a striking first impression. The grand primary suite upstairs is filled with natural light and includes a generous walk-in closet and a luxurious spa-inspired bathroom.
The gourmet kitchen, fully remodeled in 2017, showcases high-end appliances, custom cabinetry, and premium finishes — a dream for any culinary enthusiast.
The front courtyard is enhanced by stately stone pillar accents, lending timeless sophistication and strong curb appeal. In the resort-style backyard, enjoy a private oasis featuring a sparkling swimming pool, spa, built-in BBQ, and meticulously landscaped grounds — perfect for outdoor entertaining and relaxation.
Additional highlights include low property taxes, a 3-car attached garage, and an unbeatable location near the 57 and 60 freeways, top-rated restaurants, shopping, and parks.
Zoned for top-tier schools including Walnut Elementary, South Pointe Middle, and Diamond Bar High School, this home offers an exceptional lifestyle in one of Diamond Bar’s most exclusive gated neighborhoods.
Don't miss this extraordinary opportunity to own a luxurious home in one of Diamond Bar’s most sought-after gated enclaves.
1511 Ruby Ct, Diamond Bar, CA 91765 is a 5 bedroom, 5 bathroom, 4,521 sqft single-family home built in 1998. It last sold for $2,220,000 on Jun 4, 2025 (3% below the $2,299,000 asking price). More recently, it was listed as a rental in January 2014 with an asking price of $5,500 per month. That rental listing was removed on April 8, 2014. It is currently off market. The Trulia Estimate is $2,190,500, with a rent estimate of $7,190/month.
Home Details for 1511 Ruby Ct
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Interior Details Number of Rooms: 8Types of Rooms: Bedroom, Bathroom, Entry Foyer, Kitchen, Laundry, Living Room, Other |
Beds & Baths Number of Bedrooms: 5Main Level Bedrooms: 1Number of Bathrooms: 5Number of Bathrooms (full): 4Number of Bathrooms (half): 1Number of Bathrooms (main level): 1 |
Dimensions and Layout Living Area: 4521 Square Feet |
Appliances & Utilities Utilities: Electricity Available, Sewer Available, Water AvailableAppliances: Barbecue, Dishwasher, Disposal, Gas OvenDishwasherDisposalLaundry: Laundry Room |
Heating & Cooling Heating: CentralHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Central |
Fireplace & Spa Fireplace: Family RoomSpa: PrivateHas a FireplaceHas a Spa |
Windows, Doors, Floors & Walls Flooring: VinylCommon Walls: No Common Walls |
Levels, Entrance, & Accessibility Stories: 2Number of Stories: 2Levels: TwoEntry Location: 1Accessibility: NoneFloors: Vinyl |
View Has a ViewView: Mountain(s) |
Security Security: Gated Community |
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Exterior Home Features Patio / Porch: PorchExterior: Brick DrivewayHas a Private Pool |
Parking & Garage Number of Garage Spaces: 2Number of Covered Spaces: 2Has a GarageHas an Attached GarageParking Spaces: 2Parking: Garage,Off Street |
Pool Pool: PrivatePool |
Frontage Not on Waterfront |
Water & Sewer Sewer: Public Sewer |
Surface & Elevation Elevation Units: Feet |
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Cumulative Days on Market: 33 |
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Year Built Year Built: 1998 |
Property Type / Style Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: HouseArchitecture: House |
Building Not a New ConstructionNot Attached PropertyNo Additional Parcels |
Property Information Parcel Number: 8763031015 |
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Price List Price: $2,299,000 |
Status Change & Dates Off Market Date: Sun Apr 27 2025Possession Timing: Close Of Escrow |
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MLS Status: Closed |
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Direction & Address City: Diamond Bar |
School Information Elementary School: WalnutJr High / Middle School: South PointeHigh School: Diamond BarHigh School District: Walnut Valley Unified |
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Community Features: Park, Street Lights, GatedNot Senior Community |
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HOA Name: Diamond CrestHOA Phone: 909-621-5941Association for this Listing: California Regional MLSHas an HOAHOA Fee: $200/Monthly |
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Lot Area: 10484 sqft |
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Special Conditions: Standard |
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Listing Terms: Cash, Cash to Existing Loan, Cash to New Loan, Conventional, 1031 Exchange |
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Mls Number: OC25063685Living Area Range Units: Square FeetAttribution Contact: 626-686-1668Activation Date: Tue Mar 25 2025Common Interest: NoneStart Showing Date: Tue Mar 25 2025Universal Property Id: US-06037-N-8763031015-R-N |
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HOA Amenities: Management |
Last check for updates: about 14 hours ago
Listed by Ying Wang DRE #02055348, (626) 686-1668
Universal Elite Inc.
Jacquelene Kan DRE #01435192
Universal Elite Realty
Bought with: LIHUI LI DRE #02229272, Universal Elite Realty
Co-Buyer's Agent: Chwen Bin Wei DRE #02055348, Universal Elite Inc.
Originating MLS: California Regional MLS
Source: CRMLS, MLS#OC25063685

Price History for 1511 Ruby Ct
| Date | Price | Event | Source |
|---|---|---|---|
| 06/04/2025 | $2,220,000 | Sold | CRMLS #OC25063685 |
| 05/27/2025 | $2,299,000 | Pending | CRMLS #OC25063685 |
| 05/08/2025 | $2,299,000 | Contingent | CRMLS #OC25063685 |
| 03/25/2025 | $2,299,000 | Listed For Sale | CRMLS #OC25063685 |
| 04/26/2017 | $1,480,000 | Sold | N/A |
| 03/13/2017 | $1,550,000 | Pending | Agent Provided |
| 01/24/2017 | $1,550,000 | PriceChange | Agent Provided |
| 07/26/2016 | $1,699,900 | Listed For Sale | Agent Provided |
| 04/08/2014 | $5,500 | ListingRemoved | Agent Provided |
| 01/25/2014 | $5,500 | Listed For Rent | Agent Provided |
| 08/30/2013 | $5,000 | ListingRemoved | Agent Provided |
| 08/16/2013 | $5,000 | Listed For Rent | Agent Provided |
| 12/24/2009 | $950,000 | Sold | N/A |
| 09/06/2009 | $1,220,000 | ListingRemoved | Agent Provided |
| 09/02/2009 | $1,220,000 | PriceChange | Agent Provided |
| 07/30/2009 | $1,285,000 | Listed For Sale | Agent Provided |
| 03/22/2007 | $1,478,000 | ListingRemoved | Agent Provided |
| 03/13/2007 | $1,478,000 | Listed For Sale | Agent Provided |
| 04/05/1999 | $529,000 | Sold | N/A |
Market trends in Diamond Bar
Last updated June 2026
Avg. sale price
$1.09M
$1.58KMoM
Sale-to-List Price
99.8%
Price per sq ft
$554
$7MoM
Available listings
198
34MoM
Property Tax and Assessment
| Year | 2025 |
|---|---|
| Tax | $27,180 |
| Assessment | $1,717,660 |
Home facts updated by county records
Comparable Sales for 1511 Ruby Ct
Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.16 | Single-Family Home | $2,499,000 | 05/06/26 | 5 | 5 | 4,425 | |
0.10 | Single-Family Home | $2,220,000 | 01/12/26 | 6 | 4.5 | 4,323 | |
0.38 | Single-Family Home | $1,650,000 | 09/29/25 | 5 | 3 | 2,972 | |
0.42 | Single-Family Home | $1,590,000 | 03/31/26 | 5 | 4 | 3,256 | |
0.46 | Single-Family Home | $1,280,000 | 08/28/25 | 5 | 4 | 3,482 | |
0.24 | Single-Family Home | $1,319,000 | 07/28/26 | 4 | 2.5 | 2,432 | |
0.48 | Single-Family Home | $1,556,000 | 05/05/26 | 4 | 3 | 2,978 | |
0.47 | Single-Family Home | $1,265,000 | 07/31/26 | 5 | 4 | 2,334 | |
0.44 | Single-Family Home | $1,390,000 | 04/01/26 | 4 | 3 | 2,781 |
Nearby homes
Get a sense of prices in the area by checking nearby homes.Assigned Schools
These are the assigned schools for 1511 Ruby Ct.
What Locals Say about Diamond Bar
At least 314 Trulia users voted on each feature.
89 % Say it's dog friendly
88 % Say there are sidewalks
85 % Say car is needed
80 % Say streets are well-lit
78 % Say parking is easy
77 % Say yards are well-kept
74 % Say it's quiet
66 % Say there's holiday spirit
65 % Say people would walk alone at night
64 % Say there's wildlife
60 % Say they plan to stay for at least 5 years
50 % Say kids play outside
48 % Say it's walkable to grocery stores
47 % Say neighbors are friendly
45 % Say it's walkable to restaurants
25 % Say there are community events
Sourced by Trulia users. Learn more about our methodology.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Apartments for Rent
Homes for sale near 1511 Ruby Ct
Off Market Homes Near 1511 Ruby Ct
Frequently asked questions about 1511 Ruby Ct
- What is 1511 Ruby Ct estimated to be worth?Trulia's estimated value for 1511 Ruby Ct in Diamond Bar, CA is $2,190,500.
- What is the price history for 1511 Ruby Ct?1511 Ruby Ct in Diamond Bar, CA last sold for $2,220,000 in June 2025.
- Is Diamond Bar a buyer's or seller's market?Diamond Bar is currently a seller's market, based on recent for-sale activity.
- What's the median sale price in Diamond Bar?The median sale price in Diamond Bar is $1.09M. That is down $1.58K from the prior month.
- Does 1511 Ruby Ct have air conditioning?Yes, 1511 Ruby Ct in Diamond Bar, CA has air conditioning.
- Does 1511 Ruby Ct have a pool?Yes, 1511 Ruby Ct in Diamond Bar, CA has a pool.

The multiple listing data appearing on this website, or contained in reports produced therefrom, is owned and copyrighted by California Regional Multiple Listing Service, Inc. ("CRMLS") and is protected by all applicable copyright laws. Information provided is for viewer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties the viewer may be interested in purchasing. All listing data, including but not limited to square footage and lot size is believed to be accurate, but the listing Agent, listing Broker and CRMLS and its affiliates do not warrant or guarantee such accuracy. The viewer should independently verify the listed data prior to making any decisions based on such information by personal inspection and/or contacting a real estate professional.
Based on information from California Regional Multiple Listing Service, Inc. as of 2026-08-08 11:40:23 PDT and /or other sources. 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. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information
Based on information from California Regional Multiple Listing Service, Inc. as of 2026-08-08 11:40:23 PDT and /or other sources. 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. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information