NOT LISTED FOR SALE

43431 Mountcastle Dr Chantilly, VA 20152

Estimated Value: $1,117,000 - $1,451,000

4 Beds
5 Baths
5,946 Sq Ft
$225/Sq Ft Est. Value

About This Home

This home is located at 43431 Mountcastle Dr, Chantilly, VA 20152 and is currently estimated at $1,337,738, approximately $224 per square foot. 43431 Mountcastle Dr is a home located in Loudoun County with nearby schools including Little River Elementary School, J. Michael Lunsford Middle School, and Freedom High School.

Ownership History

Date Name Owned For Owner Type

Purchase Details

Closed on
Sep 26, 2025
Sold by
Phan Patricia and Phan Tony V
Bought by
Tony Tuan Vinh Phan And Patricia Ngoc Phuong and Phan
Current Estimated Value
$1,337,738

Purchase Details

Closed on
Aug 28, 2008
Sold by
Suh Anthony Y
Bought by
Phan Tony V

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$608,000
Interest Rate
6.29%
Mortgage Type
New Conventional

Purchase Details

Closed on
Mar 7, 2005
Sold by
Winchester Homes Inc
Bought by
Suh Julia J

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$756,020
Interest Rate
5.66%
Mortgage Type
New Conventional
Source: Public Records

Range of Values:

--
Value Increase
--
Percent Increase
--
Adjusted for Inflation
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

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
Tony Tuan Vinh Phan And Patricia Ngoc Phuong -- None Listed On Document
Phan Tony V $760,000 --
Suh Julia J $945,025 --
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
Previous Owner Phan Tony V $608,000
Previous Owner Suh Julia J $756,020
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 $10,059 $1,249,620 $300,900 $948,720
2024 $10,450 $1,208,050 $315,900 $892,150
2023 $8,933 $1,020,910 $315,900 $705,010
2022 $8,818 $990,760 $245,900 $744,860
2021 $8,540 $871,400 $215,900 $655,500
2020 $8,154 $787,780 $200,900 $586,880
2019 $7,989 $764,490 $200,900 $563,590
2018 $8,202 $755,910 $180,900 $575,010
2017 $8,192 $728,200 $180,900 $547,300
2016 $8,006 $699,200 $0 $0
2015 $8,266 $547,400 $0 $547,400
2014 $8,248 $533,170 $0 $533,170
Source: Public Records

Map

Virginia Loudoun County Chantilly 20152

43431 Mountcastle Dr, Chantilly, VA

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
Your Personal Tour Guide

Ask me questions while you tour the home.