43451 Mountcastle Dr, Chantilly, VA 20152 Property Records

Loudoun County property record for 43451 Mountcastle Dr, Chantilly, VA 20152

Property Summary

Property Type	Single Family Home
Details	4 bd · 4.5 ba · 5,537 sqft · built 2006
Lot Size	0.26 acres (11,325 sqft)
Owner	2 Individual Names on Record
Last Sale	$938,267 (Apr 2006)
Tax Bill	$9,494 (2026)
Deeds & Mortgages	Jan 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`129-39-9884-000`

Property Details

APN / Parcel Number

Primary APN	`129-39-9884-000`
Alternative APN	`106 E 2 119`

Interior

Bedrooms	4 Beds
Full Baths	4.5 Baths
Half Baths	1 Half Bath
Plumbing Fixtures	16 Plumbing Fixtures
Stories	2 Stories
Building Area	5,537 sqft Living Area
1st Floor Area	1,472 sqft
Basement Area	1,678 sqft
Finished Basement	1,678 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2006
Effective Year Built	Effective 2008
Architectural Style	Colonial
Exterior Material	Brick/Stone
Roof Type	Hip
Roof Material	Asphalt
Lot Area	11,325 sqft (0.26 acres)
Garage Type	Attached
Garage Area	546 sqft

Exterior Amenities

Porch	Open Porch
Porch Area	48 sqft
Deck Area	Deck Area
Patio Area	550 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Gas

Location & Zoning

Street Address	43451 MOUNTCASTLE DR
City	CHANTILLY
State	VA
Zip	20152-2586
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R4
Legal Description	POLAND ROAD PROPERTY SEC.2 LOT 119 200604210035505 200408110083649P
Legal Subdivision	POLAND RD PROPERTY
Legal Block	2
Legal Lot Number	119
Jurisdiction	LOUDOUN VA
Township / Civil Division	DULLES
Census Block Group	2
Census Block	2007
Census Tract	611804

Owner

Source: Loudoun County records, as of September 21, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	43451 MOUNTCASTLE DR, CHANTILLY, VA 20152-2586
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Right of Survivorship

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 21, 2006 · Amount on Record
Deed Sale	Apr 21, 2006 · Amount on Record
Deed Document Number	200635505
Record Updated	Oct 29, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	LOUDOUN VA
Property Address	43451 MOUNTCASTLE DR, CHANTILLY, VA 20152-2586
Document Number	20210120007284
Instrument Date	Jan 14, 2021
Transaction Type	Mortgage
Record Updated	Feb 9, 2021
Title Company	NOT AVAILABLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	43451 MOUNTCASTLE DR CHANTILLY VA 201522586, CHANTILLY, VA 20152-2586

Mortgage

Document Number	20210120007284
Date	Jan 20, 2021
Instrument	7284

Lender

Name	FREEDOM BK/VA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 19, 2051

Interest

Rate Type	Fixed Rate
Rate	2.38%

Tax Assessment & Valuation

Source: Loudoun County assessment roll, as of September 18, 2026

Property Jurisdictions

Type	Name
State	Virginia
County	Loudoun County
Unified School District	Loudoun County Public Schools (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026	$9,494.00 (+1%)	$1,179,430 (+1%) Land $300,300 Building $879,130	$1,179,430 (+1%) Land $300,300 Building $879,130
2025	$9,400.00 (+9.02%)	$1,167,780 (+18.51%) Land $300,300 Building $867,480	$1,167,780 (+18.51%) Land $300,300 Building $867,480
2023	$8,622.00	$985,400 Land $315,300 Building $670,100	$985,400 Land $315,300 Building $670,100

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective June 15, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 10 (0% premium discount)
Nearby Flood Policies	2 in force
Nearby Flood Claims	3 (2020–2022)
Claims Outside the SFHA	3 of 3
Most Recent Claim	May 2022 · other causes

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 94% of the US · lower than 96% of Virginia
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	LOUDOUN WATER - CENTRAL SYSTEM serves 334,808 people · EPA ID VA6107350
Water Source	Surface water
Last State Inspection	Feb 2024
Lead	Under 1 ppb (2024–2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 349 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fiber	980 / 880