Loudoun County property record for 43638 Obrien Sq, Chantilly, VA 20152
| Property Type | Townhouse |
|---|---|
| Details | 3 bd · 3 ba · 2,068 sqft · built 2000 |
| Lot Size | 0.04 acres (1,742 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $421,000 (Sep 2019) |
| Tax Bill | $4,761 (2026) |
| Deeds & Mortgages | Sep 2019 Sale & Mortgage Jun 2017 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 099-35-4036-000 |
| Primary APN | 099-35-4036-000 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 3 Baths |
| Half Baths | 2 Half Baths |
| Plumbing Fixtures | 11 Plumbing Fixtures |
| Stories | 3 Stories |
| Building Area | 2,068 sqft Living Area |
| 1st Floor Area | 760 sqft |
| Basement Area | 532 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 2000 |
|---|---|
| Effective Year Built | Effective 2002 |
| Architectural Style | Townhouse |
| Exterior Material | Aluminum/Vinyl |
| Roof Type | Gable |
| Roof Material | Asphalt |
| Lot Area | 1,742 sqft (0.04 acres) |
| Garage Type | Basement |
| Garage Area | 228 sqft |
| Deck Area | Deck Area |
| Patio Area | 212 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Central |
| Heating Fuel | Gas |
| Street Address | 43638 OBRIEN SQ |
|---|---|
| City | CHANTILLY |
| State | VA |
| Zip | 20152-3635 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Local Zoning Code | PDH4 |
| Legal Description | SOUTH RIDING SEC.36 LOT 30 201103310020733 |
| Legal Subdivision | SOUTH RIDING |
| Legal Block | 1 |
| Legal Lot Number | 30 |
| Jurisdiction | LOUDOUN VA |
| Township / Civil Division | DULLES |
| Census Block Group | 1 |
| Census Block | 1022 |
| Census Tract | 611805 |
43638 Obrien Sq, a townhouse, is owned and occupied by two individuals who bought it in September 2019.
Source: Loudoun County records, as of September 21, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 43638 OBRIEN SQ, CHANTILLY, VA 20152-3635 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Sep 6, 2019 | Warranty Deed, Transfer NAVY FCU |
| Jun 9, 2017 | Deed of Trust, Mortgage · Conventional Mortgage WELLS FARGO BK |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 6, 2019 · Amount on File |
| Deed Sale | Sep 6, 2019 · Amount on File |
| Prior Sale | Mar 31, 2011 · Amount on File |
| Deed Document Number | 201952986 |
| Record Updated | Oct 29, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | LOUDOUN VA |
| Recording Date | Sep 6, 2019 |
| Property Address | 43638 OBRIEN SQ, CHANTILLY, VA 20152-3635 |
| Document Number | 20190906052986 |
| Instrument Date | Sep 6, 2019 |
| Instrument | 52986 |
| Transaction Type | Transfer |
| Record Updated | Sep 24, 2019 |
| Title Company | NOT AVAILABLE |
| Amount | Amount on Record |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $421.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 43638 OBRIEN SQ CHANTILLY VA 201523635, CHANTILLY, VA 20152-3635 |
| Document Number | 20190906052987 |
|---|---|
| Date | Sep 6, 2019 |
| Instrument | 52987 |
| Name | NAVY FCU |
|---|---|
| Type | Credit Union |
| Amount | Amount on Record |
|---|---|
| Term | 360 Months |
| Due | Sep 5, 2049 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LOUDOUN VA |
| Property Address | 43638 OBRIEN SQ, CHANTILLY, VA 20152-3635 |
| Document Number | 20170621037618 |
| Instrument Date | Jun 9, 2017 |
| Transaction Type | Mortgage |
| Record Updated | Aug 21, 2018 |
| Title Company | FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE |
| Name | Verified Name |
|---|---|
| Address | 43638 OBRIEN SQ CHANTILLY VA 201523635, CHANTILLY, VA 20152-3635 |
| Document Number | 20170621037618 |
|---|---|
| Date | Jun 21, 2017 |
| Instrument | 37618 |
| Name | WELLS FARGO BK |
|---|---|
| Type | Bank |
| Address | SIOUX FALLS, SD 57104 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 360 Months |
| Due | Jun 20, 2047 |
| Rate | 4.12% |
|---|
The 2026 property tax bill for 43638 Obrien Sq was $4,761.
Source: Loudoun County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Virginia |
| County | Loudoun County |
| Unified School District | Loudoun County Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $4,761.00 | $591,470 Land $205,000 Building $386,470 | $591,470 Land $205,000 Building $386,470 |
| 2023 | $4,460.00 | $509,720 Land $170,000 Building $339,720 | $509,720 Land $170,000 Building $339,720 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 43638 Obrien Sq in Zone X, an area of minimal flood risk, though there have been 2 flood claims nearby since 2006.
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 | 2 (2006–2018) |
| Claims Outside the SFHA | 2 of 2 |
| Most Recent Claim | Jul 2018 · rainfall accumulation |
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 risk around 43638 Obrien Sq is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 71% of Virginia |
|---|---|
| Wildfire Likelihood | 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.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 244 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Verizon Fiber | 980 / 880 |
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