Seller's Agent in 2025
Ying Wang
Universal Elite Inc.
(951) 428-8608
2 in this area
52 Total Sales
1511 Ruby Ct Diamond Bar, CA 91765
5
Beds
4.5
Baths
4,521
Sq Ft
10,484
Sq Ft Lot
Highlights
- Private Pool
- Gated Community
- Mountain View
- Walnut Elementary School Rated A
- Open Floorplan
- Cathedral Ceiling
About This Home
As of June 2025Welcome 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.
Last Agent to Sell the Property
Universal Elite Inc. Brokerage Phone: 626-686-1668 License #02055348 Listed on: 03/25/2025
Home Details
Home Type
- Single Family
Year Built
- Built in 1998
Lot Details
- 10,484 Sq Ft Lot
- Density is up to 1 Unit/Acre
- Property is zoned LCR1
HOA Fees
- $200 Monthly HOA Fees
Parking
- 2 Car Attached Garage
- Parking Available
- Brick Driveway
- Off-Street Parking
Home Design
- Entry on the 1st floor
Interior Spaces
- 4,521 Sq Ft Home
- 2-Story Property
- Open Floorplan
- Cathedral Ceiling
- Formal Entry
- Family Room with Fireplace
- Living Room
- Vinyl Flooring
- Mountain Views
- Laundry Room
Kitchen
- Gas Oven
- Dishwasher
- Kitchen Island
- Disposal
Bedrooms and Bathrooms
- 5 Bedrooms | 1 Main Level Bedroom
- Walk-In Closet
- Bathtub
Pool
- Private Pool
- Spa
Outdoor Features
- Patio
- Exterior Lighting
- Outdoor Grill
- Porch
Schools
- Walnut Elementary School
- South Pointe Middle School
- Diamond Bar High School
Utilities
- Central Heating and Cooling System
Listing and Financial Details
- Tax Lot 15
- Tax Tract Number 52228
- Assessor Parcel Number 8763031015
- $879 per year additional tax assessments
Community Details
Overview
- Diamond Crest Association, Phone Number (909) 621-5941
- Wheeler Steffen Property Management HOA
Recreation
- Park
Security
- Resident Manager or Management On Site
- Gated Community
Ownership History
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Mar 25, 2025
Closed on
May 29, 2025
Sold by
Xu Dongxin and Wu Tingchun
Bought by
Lee Roger Chiu-Chou
Seller's Agent
Ying Wang
Universal Elite Inc.
Buyer's Agent
Lily Li
Universal Elite Realty
List Price
$2,299,000
Sold Price
$2,220,000
Premium/Discount to List
-$79,000
-3.44%
Views
60
Current Estimated Value
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Estimated Appreciation
$47,230
Avg. Annual Appreciation
4.21%
Purchase Details
Closed on
Jun 24, 2016
Sold by
Wong Yu
Bought by
Xu Dongxin and Wu Tingchu
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$888,000
Interest Rate
4.62%
Mortgage Type
Adjustable Rate Mortgage/ARM
Purchase Details
Closed on
Sep 28, 2009
Sold by
Dong Julia Xiaoyan and Yang Julia Xy
Bought by
Wong Yu
Purchase Details
Closed on
Mar 29, 1999
Sold by
Yang Tai Hung
Bought by
Yang Julia Xy
Purchase Details
Closed on
Nov 12, 1998
Sold by
Standard Pacific Corp
Bought by
Yang Julia Xy
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$384,850
Interest Rate
6.79%
Create a Home Valuation Report for This Property
The Home Valuation Report is an in-depth analysis detailing your home's value as well as a comparison with similar homes in the area
Home Values in the Area
Average Home Value in this Area
Purchase History
| Date | Type | Sale Price | Title Company |
|---|---|---|---|
| Grant Deed | $2,220,000 | Chicago Title Company | |
| Grant Deed | $1,480,000 | Ticor Title | |
| Grant Deed | $950,000 | Fidelity National Title | |
| Interfamily Deed Transfer | -- | First American Title Co | |
| Grant Deed | $529,000 | First American Title Co |
Source: Public Records
Mortgage History
| Date | Status | Loan Amount | Loan Type |
|---|---|---|---|
| Previous Owner | $888,000 | Adjustable Rate Mortgage/ARM | |
| Previous Owner | $384,850 | No Value Available |
Source: Public Records
Property History
| Date | Event | Price | List to Sale | Price per Sq Ft | Prior Sale |
|---|---|---|---|---|---|
| 06/04/2025 06/04/25 | Sold | $2,220,000 | -3.4% | $491 / Sq Ft | |
| 04/27/2025 04/27/25 | Pending | -- | -- | -- | |
| 03/25/2025 03/25/25 | For Sale | $2,299,000 | +55.3% | $509 / Sq Ft | |
| 04/26/2017 04/26/17 | Sold | $1,480,000 | -4.5% | $327 / Sq Ft | View Prior Sale |
| 02/21/2017 02/21/17 | Pending | -- | -- | -- | |
| 01/24/2017 01/24/17 | Price Changed | $1,550,000 | -8.8% | $343 / Sq Ft | |
| 07/25/2016 07/25/16 | For Sale | $1,699,900 | 0.0% | $376 / Sq Ft | |
| 04/01/2014 04/01/14 | Rented | $4,500 | -18.2% | -- | |
| 03/02/2014 03/02/14 | Under Contract | -- | -- | -- | |
| 01/24/2014 01/24/14 | For Rent | $5,500 | +10.0% | -- | |
| 09/01/2013 09/01/13 | Rented | $5,000 | 0.0% | -- | |
| 08/23/2013 08/23/13 | Under Contract | -- | -- | -- | |
| 08/15/2013 08/15/13 | For Rent | $5,000 | -- | -- |
Source: California Regional Multiple Listing Service (CRMLS)
Tax History Compared to Growth
Tax History
| Year | Tax Paid | Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. | Land | Improvement |
|---|---|---|---|---|
| 2025 | $20,334 | $1,717,660 | $577,852 | $1,139,808 |
| 2024 | $20,334 | $1,683,981 | $566,522 | $1,117,459 |
| 2023 | $19,841 | $1,650,963 | $555,414 | $1,095,549 |
| 2022 | $19,432 | $1,618,592 | $544,524 | $1,074,068 |
| 2021 | $19,071 | $1,586,856 | $533,848 | $1,053,008 |
| 2019 | $18,462 | $1,539,791 | $518,015 | $1,021,776 |
| 2018 | $17,810 | $1,509,600 | $507,858 | $1,001,742 |
| 2016 | $11,942 | $1,035,885 | $390,582 | $645,303 |
| 2015 | $12,018 | $1,020,326 | $384,716 | $635,610 |
| 2014 | $12,030 | $1,000,340 | $377,180 | $623,160 |
Source: Public Records
Agents Affiliated with this Home
-
Ying Wang
-
Jacquelene Kan
Seller Co-Listing Agent in 2025
Jacquelene Kan
Universal Elite Realty
(714) 924-9969
1 in this area
26 Total Sales
-
Lily Li
Buyer's Agent in 2025
Lily Li
Universal Elite Realty
(626) 229-2200
5 in this area
24 Total Sales
-
Chwen Bin Wei
C
Buyer Co-Listing Agent in 2025
Chwen Bin Wei
Universal Elite Inc.
(626) 905-3258
3 in this area
3 Total Sales
-
R
Seller's Agent in 2017
RUI DAI
KELLER WILLIAMS EMPIRE ESTATES
-
Paul Li
P
Buyer's Agent in 2017
Paul Li
Harvest Real Estate, Inc.
(626) 279-6938
6 in this area
44 Total Sales
Map
Source: California Regional Multiple Listing Service (CRMLS)
MLS Number: OC25063685
APN: 8763-031-015
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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. 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
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