NOT LISTED FOR SALE

21514 Round Rock Dr Diamond Bar, CA 91765

Estimated Value: $800,000 - $1,058,000

4 Beds
2 Baths
1,315 Sq Ft
$700/Sq Ft Est. Value

About This Home

This home is located at 21514 Round Rock Dr, Diamond Bar, CA 91765 and is currently estimated at $919,995, approximately $699 per square foot. 21514 Round Rock Dr 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
Feb 24, 2025
Sold by
Ng Jonathan Hong and Ng Tiffany Go
Bought by
Ng Jonathan Hong and Ng Tiffany Go
Current Estimated Value
$919,995

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$675,000
Outstanding Balance
$671,658
Interest Rate
7.04%
Mortgage Type
New Conventional
Estimated Equity
$248,337

Purchase Details

Closed on
Nov 1, 2023
Sold by
Vallerand Trust
Bought by
Ng Jonathan Hong and Ng Tiffany Go

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$683,000
Interest Rate
7.31%
Mortgage Type
Construction
Source: Public Records

Range of Values:

Collateral Analytics

Collateral Analytics Collateral Analytics AVMs (Automated Valuation Model) employ a number of statistical approaches combined with neighborhood-specific comparable selection guarantees the most up-to-date and precise valuations.

Not Available

Collateral Analytics does not have data for the current month. Please view the chart for historical values.

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.

Not Available

ICE Mortgage Technology does not have data for the current month. Please view the chart for historical values.

First American

First American First American Data & Analytics’ next-generation AVM combines unrivaled data assets with a blended ensemble of valuation models to produce highly accurate, reliable valuations you can trust.

Not Available

First American does not have data for the current month. Please view the chart for historical values.

Quantarium

Quantarium Quantarium’s valuation service, repeatedly proven the industry’s most accurate and comprehensive, is supercharged with a self-learning and auto-tuning AI engine that continually becomes smarter and more accurate as it processes daily inputs from the industry’s leading RE data lake.

Not Available

Quantarium does not have data for the current month. Please view the chart for historical values.

Average Value
Not Available
List Price
Sold Price
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

Source: Public Records

Average Home Value in this Area

Source: Public Records

Purchase History

Date Buyer Sale Price Title Company
Ng Jonathan Hong -- Orange Coast Title Company
Ng Jonathan Hong $700,000 Chicago Title Company
Source: Public Records

Mortgage History

Date Status Borrower Loan Amount
Open Ng Jonathan Hong $675,000
Previous Owner Ng Jonathan Hong $683,000
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 $8,726 $714,000 $571,200 $142,800
2024 $8,726 $700,000 $560,000 $140,000
2023 $2,442 $164,291 $61,870 $102,421
2022 $2,389 $161,070 $60,657 $100,413
2021 $2,339 $157,913 $59,468 $98,445
2019 $2,269 $153,231 $57,705 $95,526
2018 $2,126 $150,227 $56,574 $93,653
2016 $1,971 $144,395 $54,378 $90,017
2015 $1,977 $142,227 $53,562 $88,665
2014 -- $139,442 $52,513 $86,929
Source: Public Records

Map

California Los Angeles County Diamond Bar 91765

21514 Round Rock Dr, Diamond Bar, CA

This home is located at 21514 Round Rock Dr, Diamond Bar, CA 91765 and is currently estimated at $919,995, approximately $699 per square foot. 21514 Round Rock Dr 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.

Nearby Homes