NOT LISTED FOR SALE

1821 Diamond Knoll Ln Diamond Bar, CA 91765

Estimated Value: $3,357,591 - $4,275,000

5 Beds
7 Baths
6,723 Sq Ft
$573/Sq Ft Est. Value

About This Home

This home is located at 1821 Diamond Knoll Ln, Diamond Bar, CA 91765 and is currently estimated at $3,852,898, approximately $573 per square foot. 1821 Diamond Knoll Ln is a home located in Los Angeles County with nearby schools including Evergreen Elementary School, Chaparral Middle School, and Diamond Bar High School.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Aug 7, 2025
Sold by
Ronald And Johanna Yang Revocable Trust and Yang Ronald Ming
Bought by
Ronald And Johanna Yang Revocable Trust and Yang
Current Estimated Value
$3,852,898

Purchase Details

Closed on
Feb 5, 2015
Sold by
Yang Ronald Ming and Yang Johanna Jing Yi
Bought by
Ronald & Johanna Yang 2007 Trust

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,187,000
Interest Rate
3.8%
Mortgage Type
New Conventional

Purchase Details

Closed on
Sep 19, 2012
Sold by
Yang Ronald M and Yang Johanna
Bought by
Yang Ronald M and Yang Johanna Jing Yi Chen

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,234,000
Interest Rate
3.55%
Mortgage Type
New Conventional

Purchase Details

Closed on
Jun 1, 2012
Sold by
Yang Ronald M and Yang Johanna Jing Yi Chen
Bought by
Yang Ronald M and Yang Johanna

Purchase Details

Closed on
Aug 31, 2009
Sold by
Lee Miller Lung and Lee Alice Hua Nan
Bought by
Yang Ronald M and Yang Johanna Jing Yi Chen

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$1,275,000
Interest Rate
5.05%
Mortgage Type
New Conventional

Purchase Details

Closed on
Jun 4, 2002
Sold by
Lee Miller Lung and Lee Alice Hua Nan
Bought by
Lee Miller Lung and Lee Alice Hua Nan

Purchase Details

Closed on
May 10, 2000
Sold by
Su Ta Wen and Lee En Fong
Bought by
Lee Miller Lung and Lee Alice Hua Nan

Purchase Details

Closed on
Nov 6, 1995
Sold by
Piermarini Homes
Bought by
Su Ta Wen and Lee En Fong

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$937,500
Interest Rate
7.48%
Source: Public Records

Range of Values:

Collateral Analytics

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ICE

ICE Mortgage Technology ICE Mortgage Technology’s AVM (Automated Valuation Model) is a state-of-the-art online residential property valuation tool that provides a quick and accurate estimate of the value of almost any home in the U.S.

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First American

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Quantarium

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Average Value
Not Available
List Price
Sold Price
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Home Values in the Area

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

Date Buyer Sale Price Title Company
Ronald And Johanna Yang Revocable Trust -- None Listed On Document
Ronald & Johanna Yang 2007 Trust -- Title365
Yang Ronald M -- First American Title Company
Yang Ronald M -- None Available
Yang Ronald M $2,198,000 Fidelity National Title Co
Lee Miller Lung -- --
Lee Miller Lung $1,450,000 Chicago Title Co
Su Ta Wen $1,250,000 Old Republic Title Company
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Previous Owner Ronald & Johanna Yang 2007 Trust $1,187,000
Previous Owner Yang Ronald M $1,234,000
Previous Owner Yang Ronald M $1,275,000
Previous Owner Su Ta Wen $937,500
Source: Public Records

Tax History Compared to Growth

Source: Public Records

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 $33,360 $2,837,218 $1,290,817 $1,546,401
2024 $33,360 $2,781,587 $1,265,507 $1,516,080
2023 $32,500 $2,727,047 $1,240,694 $1,486,353
2022 $31,785 $2,673,576 $1,216,367 $1,457,209
2021 $31,199 $2,621,154 $1,192,517 $1,428,637
2019 $30,199 $2,543,412 $1,157,148 $1,386,264
2018 $29,023 $2,493,542 $1,134,459 $1,359,083
2016 $26,851 $2,396,716 $1,090,407 $1,306,309
2015 $27,029 $2,360,717 $1,074,029 $1,286,688
2014 -- $2,314,475 $1,052,991 $1,261,484
Source: Public Records

Map

California Los Angeles County Diamond Bar 91765

1821 Diamond Knoll Ln, Diamond Bar, CA

This home is located at 1821 Diamond Knoll Ln, Diamond Bar, CA 91765 and is currently estimated at $3,852,898, approximately $573 per square foot. 1821 Diamond Knoll Ln is a home located in Los Angeles County with nearby schools including Evergreen Elementary School, Chaparral Middle School, and Diamond Bar High School.

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.

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