Lillian Barrett
First Team Real Estate North Tustin
(657) 500-0753
110 Total Sales
2 in Diamond Bar
$1,025,000 Price Range
20939 Quail Run Dr Walnut, CA 91789
Diamond Bar AreaEstimated Value: $1,337,577
5
Beds
3
Baths
2,186
Sq Ft
$612/Sq Ft
Est. Value
Highlights
- City Lights View
- Maid or Guest Quarters
- Main Floor Bedroom
- Castle Rock Elementary School Rated A
- Vaulted Ceiling
- Sport Court
About This Home
As of March 2026180 degree Panoramic City Light and Snow Capped Mountain View. Very Desirable Location in South Diamond Bar with Walnut School District. Walking Distance to Diamond Bar High School and South Pointe Middle School. Open and Bright Floor Plan with One Bedroom and One Bathroom Downstairs. 4 Bedrooms Inculding Master Bedroom Upstairs. Remodeled Kitchen with Newer Cabinets and Quartz Counter tops. Renovated Bathroom with Designer's work. Elegant Hardwood Flooring throughout. Balcony off the Master Bedroom Can Enjoy the Breathtaking View. Vaulted Ceiling in the Living Room and Fomal Dining Room. Gourmet Kitchen and Cozy Family Room. 3 Oversized Car Attached Garage with 1 Tandem one. Nice Big and Flat Backyard with Fruit trees. Quiet and Nice Neighborhood. Steps to Ronald Reagan Park and Park Tennis COurt. Convenient Location to 57 and 60 Fwy and Shopping Centers. Your Dream Home Here It Is!
Last Agent to Sell the Property
CC Royal Realty Brokerage Phone: 626-222-3050 License #01270713 Listed on: 01/10/2026
Last Buyer's Agent
CC Royal Realty Brokerage Phone: 626-222-3050 License #01270713 Listed on: 01/10/2026
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Home Details
Home Type
- Single Family
Year Built
- Built in 1986
Lot Details
- 7,567 Sq Ft Lot
- Density is up to 1 Unit/Acre
HOA Fees
- $18 Monthly HOA Fees
Parking
- 3 Car Attached Garage
Property Views
- City Lights
- Mountain
- Hills
Home Design
- Entry on the 1st floor
Interior Spaces
- 2,186 Sq Ft Home
- 2-Story Property
- Vaulted Ceiling
- Formal Entry
- Family Room with Fireplace
- Living Room
- Laundry Room
Bedrooms and Bathrooms
- 5 Bedrooms | 1 Main Level Bedroom
- Maid or Guest Quarters
- 3 Full Bathrooms
Schools
- Castle Rock Elementary School
- Southpoint Middle School
- Diamond Bar High School
Utilities
- Central Heating and Cooling System
Listing and Financial Details
- Tax Lot 21
- Tax Tract Number 43162
- Assessor Parcel Number 8765017004
- $1,243 per year additional tax assessments
Community Details
Overview
- Oakridge Community Association, Phone Number (714) 634-0611
- Regent Association
Amenities
- Laundry Facilities
Recreation
- Sport Court
Ownership History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
Date
Name
Owned For
Owner Type
Purchase Details
Listed on
Jan 10, 2026
Closed on
Mar 18, 2026
Sold by
Lacson Sengco and Ignacio Sengco Sol
Bought by
Seller's Agent
Cathy Cheng
CC Royal Realty
Buyer's Agent
Cathy Cheng
CC Royal Realty
List Price
$1,399,000
Sold Price
$1,330,000
Premium/Discount to List
-$69,000
-4.93%
Views
35
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
$7,577
Avg. Annual Appreciation
1.22%
Original Mortgage
$798,000
Outstanding Balance
$794,725
Interest Rate
5.88%
Mortgage Type
New Conventional
Estimated Equity
$542,852
Purchase Details
Closed on
Oct 6, 2020
Sold by
Sengco Nicodemus Lacson and Sengco Sol Ignacio
Bought by
Sengco Nicodemus Lacson and Sengco Sol Ignacio
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$591,500
Interest Rate
2.8%
Mortgage Type
New Conventional
Purchase Details
Closed on
Nov 19, 2019
Sold by
Sengco Nicodemus Lacson and Sengco Sol Ignacio
Bought by
Sengco Nicodemus Lacson and Sengco Sol Ignacio
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$600,000
Interest Rate
3.7%
Mortgage Type
New Conventional
Purchase Details
Closed on
Jul 31, 2014
Sold by
Sengco Nicodemus L and Sengco Sol I
Bought by
Nicodemus & Sol Sengco 2014 Trust
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$427,000
Interest Rate
4.13%
Mortgage Type
New Conventional
Purchase Details
Closed on
Jul 30, 2014
Sold by
Sengco Nicodemus Lacson and Sengco Sol Ignacio
Bought by
Sengco Nicodemus L and Sengco Sol I
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$427,000
Interest Rate
4.13%
Mortgage Type
New Conventional
Purchase Details
Closed on
May 23, 2014
Sold by
Sengco Nicodemus L and Sengco Sol L
Bought by
Sengco Nicodemus Lacson and Sengco Sol Ignacio
Purchase Details
Closed on
Sep 29, 2004
Sold by
Moon Hye Ja
Bought by
Sengco Nicodemus L and Sengco Sol I
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$500,000
Interest Rate
5.7%
Mortgage Type
Purchase Money Mortgage
Purchase Details
Closed on
Nov 6, 2001
Sold by
Moon Hyun Joo
Bought by
Moon Hye Ja
Home Financials for this Owner
Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$320,000
Interest Rate
6.62%
Purchase Details
Closed on
Jun 15, 1994
Sold by
Gibson Kenneth G and Gibson Martina L
Bought by
Moon Hyun Joo and Moon Hye Ja
Home Values in the Area
Average Home Value in this Area
Agents Specializing in Walnut, CA
-
Lillian Barrett
-
CONNIE HONG
CH
CONNIE HONG
Exquisite Home Realty
(626) 313-3415
14 Total Sales
1 in Diamond Bar
$615,000 Price
-
Laura Dandoy
Laura Dandoy
The Real Estate Resource Group
(626) 784-4821
255 Total Sales
3 in Diamond Bar
$828K - $888K Price Range
-
Erick Guzman
Erick Guzman
RE/MAX TOP PRODUCERS
(626) 261-7921
62 Total Sales
6 in Diamond Bar
$620K - $1.1M Price Range
-
Eli Strickland
Eli Strickland
Responds QuicklyRE/MAX INNOVATIONS
(833) 400-8714
140 Total Sales
1 in Diamond Bar
$605,000 Price
-
Karla Telleria
Karla Telleria
Keller Williams Realty
(424) 393-2593
46 Total Sales
1 in Diamond Bar
$495,000 Price
Purchase History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Buyer | Sale Price | Title Company |
|---|---|---|---|
| $1,330,000 | California Best Title | ||
| Sengco Nicodemus Lacson | -- | Amrock Inc | |
| Sengco Nicodemus Lacson | -- | Amrock Inc | |
| Sengco Nicodemus Lacson | -- | Amrock Inc | |
| Sengco Nicodemus Lacson | -- | Amrock Inc | |
| Nicodemus & Sol Sengco 2014 Trust | -- | Arista National Title Co | |
| Sengco Nicodemus L | -- | Arista National Title Co | |
| Sengco Nicodemus Lacson | -- | None Available | |
| Sengco Nicodemus L | $660,000 | -- | |
| Moon Hye Ja | -- | Benefit Land Title Company | |
| Moon Hyun Joo | $300,000 | Investors Title Company |
Source: Public Records
Mortgage History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Status | Borrower | Loan Amount |
|---|---|---|---|
| Open | $798,000 | ||
| Closed | Sengco Nicodemus Lacson | $591,500 | |
| Previous Owner | Sengco Nicodemus Lacson | $600,000 | |
| Previous Owner | Sengco Nicodemus Lacson | $417,000 | |
| Previous Owner | Sengco Nicodemus L | $427,000 | |
| Previous Owner | Sengco Nicodemus L | $250,000 | |
| Previous Owner | Sengco Nicodemus L | $500,000 | |
| Previous Owner | Sengco Nicodemus L | $500,000 | |
| Previous Owner | Moon Hye Ja | $100,000 | |
| Previous Owner | Moon Hye Ja | $43,000 | |
| Previous Owner | Moon Hye Ja | $405,000 | |
| Previous Owner | Moon Hye Ja | $82,000 | |
| Previous Owner | Moon Hye Ja | $49,400 | |
| Previous Owner | Moon Hye Ja | $320,000 | |
| Previous Owner | Moon Hyun Joo | $62,000 | |
| Previous Owner | Moon Hyun Joo | $227,000 | |
| Previous Owner | Moon Hyun Joo | $205,000 |
Source: Public Records
Property History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| Date | Event | Price | List to Sale | Price per Sq Ft |
|---|---|---|---|---|
| 03/27/2026 03/27/26 | Sold | $1,330,000 | -4.9% | $608 / Sq Ft |
| 01/10/2026 01/10/26 | For Sale | $1,399,000 | -- | $640 / Sq Ft |
Source: California Regional Multiple Listing Service (CRMLS)
Tax History
We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.
| 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 |
|---|---|---|---|---|
| 2026 | $12,160 | $938,219 | $587,615 | $350,604 |
| 2025 | $12,160 | $919,824 | $576,094 | $343,730 |
| 2024 | $11,599 | $901,790 | $564,799 | $336,991 |
| 2023 | $11,316 | $884,109 | $553,725 | $330,384 |
| 2022 | $11,076 | $866,774 | $542,868 | $323,906 |
| 2021 | $10,864 | $849,779 | $532,224 | $317,555 |
| 2020 | $10,427 | $841,066 | $526,767 | $314,299 |
| 2019 | $10,230 | $824,576 | $516,439 | $308,137 |
| 2018 | $9,854 | $808,409 | $506,313 | $302,096 |
| 2016 | $9,142 | $777,019 | $486,653 | $290,366 |
| 2015 | $9,197 | $765,349 | $479,344 | $286,005 |
| 2014 | $9,202 | $750,358 | $469,955 | $280,403 |
Source: Public Records
Agents Affiliated with this Home
-
Cathy Cheng
Seller's Agent in 2026
Cathy Cheng
CC Royal Realty
(626) 222-3050
186 Total Sales
Map
Source: California Regional Multiple Listing Service (CRMLS)
MLS Number: TR26005056
APN: 8765-017-004
Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.
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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