Montgomery County property record for 18601 Willow Oak Dr, Derwood, MD 20855
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 2,182 sqft · built 1989 |
| Lot Size | 1.54 acres (67,244 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $142,000 (Feb 1989) |
| Tax Bill | $6,653 (2025) |
| Deeds & Mortgages | May 2024 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-02617018 |
| Primary APN | 08-02617018 |
|---|---|
| Alternative APN |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 2,182 sqft Living Area |
| 1st Floor Area | 1,291 sqft |
| Basement Area | 650 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Architectural Style | Bi-Level |
| Exterior Material | Brick |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 67,244 sqft |
| Garage Area | 624 sqft |
| Balcony Area | 384 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Connected |
| Account Number | 02617018 |
|---|---|
| Street Address | 18601 WILLOW OAK DR |
| City | DERWOOD |
| State | MD |
| Zip | 20855-1463 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RE1 |
| Legal Description | GRANBY WOODS |
| Legal Subdivision | GRANBY WOODS |
| Legal Block | B |
| Legal Lot Number | 9 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 8 |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 701307 |
18601 Willow Oak Dr is owned and occupied by two individuals who acquired it in April 2024.
Source: Montgomery County records, as of August 17, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 18601 WILLOW OAK DR, DERWOOD, MD 20855-1463 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Life Estate |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Feb 6, 1989 · Amount on File |
| Deed Sale | Feb 6, 1989 · Amount on File |
| Deed Book / Page | 8686 / 200 |
| Last Transfer Date | Apr 10, 2024 |
| Transfer Doc | 0679540095 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Recording Date | May 1, 2024 |
| Property Address | 18601 WILLOW OAK DR, ROCKVILLE, MD 20855-1463 |
| Document Number | 0679540095 |
| Book / Page | 67954 / 95 |
| Map Reference | MB 137 PL 15864 |
| Instrument Date | Apr 10, 2024 |
| Transaction Type | Transfer |
| Record Updated | May 15, 2024 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 18601 WILLOW OAK DR, ROCKVILLE, MD 20855-1463 |
The 2025 property tax bill for 18601 Willow Oak Dr was $6,653, down 4.1% from the year before.
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 | $580,267 (+3.45%) | $619,000 (+10.36%) Land $343,300 Building $275,700 | |
| 2025 | $6,653.00 (-4.15%) | $560,900 Land $326,900 Building $234,000 | $560,900 Land $326,900 Building $234,000 |
| 2024 | $6,941.00 | ||
| 2023 | $509,433 | $560,900 Land $326,900 Building $234,000 | |
| 2022 | $5,352.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 18601 Willow Oak Dr in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
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 |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 3 (1980–2011) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Sep 2011 · 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 risk around 18601 Willow Oak Dr 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 · above 41% of Maryland |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 54 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Verizon Fiber | 980 / 880 |
| T-Mobile Fixed Wireless | 100 / 20 |
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