Montgomery County property record for 10423 Willowbrook Dr, Potomac, MD 20854
| Property Type | Single Family Home |
|---|---|
| Details | 11.5 ba · 47,707 sqft · built 2008 |
| Lot Size | 4.55 acres (198,198 sqft) |
| Owner | Company Name on Record |
| Tax Bill | $103,931 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 10-03600275 |
| Primary APN | 10-03600275 |
|---|---|
| Alternative APNs |
|
| Full Baths | 11.5 Baths |
|---|---|
| Half Baths | 7 Half Baths |
| Stories | 3 Stories |
| Building Area | 47,707 sqft Living Area |
| Gross Area | 50,646 sqft |
| 1st Floor Area | 18,394 sqft |
| Basement Area | 9,300 sqft |
| Finished Basement | 9,300 sqft |
| Elevator | Elevator |
| Year Built | Built 2008 |
|---|---|
| Effective Year Built | Effective 2017 |
| Architectural Style | Bi-Level |
| Exterior Material | Stone |
| Roof Material | Slate |
| Lot Area | 198,198 sqft |
| Garage Type | Attached |
| Garage Area | 2,939 sqft |
| Parking Spaces | 11 Parking Spaces |
| Porch | Open Porch |
|---|---|
| Porch Area | 2,564 sqft |
| Deck Area | 28 sqft |
| Patio Area | 164 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Account Number | 03600275 |
|---|---|
| Street Address | 10423 WILLOWBROOK DR |
| City | POTOMAC |
| State | MD |
| Zip | 20854-4477 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RE2 |
| Legal Description | KENTSDALE ESTATES |
| Legal Subdivision | KENTSDALE ESTATES |
| Legal Block | D |
| Legal Lot Number | 61 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 10 |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 706005 |
Source: Montgomery County records, as of August 17, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | PO BOX 59236, POTOMAC, MD 20859-9236 |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Deed Names | Name on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Montgomery County assessment roll, as of August 17, 2026
| Type | Name |
|---|---|
| State | Maryland |
| County | Montgomery County |
| Unified School District | Montgomery County Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $9,426,000 (+4.55%) | $10,245,600 (+13.64%) Land $878,300 Building $9,367,300 | |
| 2025 | $103,931.00 (-44.16%) | $9,016,200 (+14.71%) Land $878,300 Building $8,137,900 | $9,016,200 (-0.47%) Land $878,300 Building $8,137,900 |
| 2023 | $7,859,733 | $9,059,000 Land $921,100 Building $8,137,900 | |
| 2022 | $186,122.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective April 12, 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 |
| Nearby Flood Policies | 8 in force |
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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 87% of Maryland |
|---|---|
| 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.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | WASHINGTON SUBURBAN SANITARY COMMISSION serves 1,900,000 people · EPA ID MD0150005 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | May 2025 |
| Lead | Under 1 ppb (2018–2020) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | None 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 230 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Verizon Fiber | 2,300 / 2,300 |
| Xfinity Cable | 2,000 / 250 |
May also be available: T-Mobile.
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