Montgomery County property record for 18306 Dundonnell Way, Olney, MD 20832
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 4,382 sqft · built 1999 |
| Lot Size | 0.258 acres (11,250 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $339,660 (Jul 2000) |
| Tax Bill | $9,569 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-03097964 |
| Primary APN | 08-03097964 |
|---|---|
| Alternative APN |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 4,382 sqft Living Area |
| Gross Area | 4,866 sqft |
| 1st Floor Area | 1,846 sqft |
| Basement Area | 1,000 sqft |
| Finished Basement | 1,000 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 1999 |
| Architectural Style | Bi-Level |
| Exterior Material | Siding |
| Roof Material | Composition Shingle |
| Lot Area | 11,250 sqft (0.258 acres) |
| Garage Type | Attached |
| Garage Area | 484 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 88 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 03097964 |
|---|---|
| Street Address | 18306 DUNDONNELL WAY |
| City | OLNEY |
| State | MD |
| Zip | 20832-3125 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RE1 |
| Legal Description | BARNSLEY MANOR ESTATES |
| Legal Subdivision | BARNESLEY MANOR ESTATES |
| Legal Block | D |
| Legal Lot Number | 16 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 8 |
| Census Block Group | 1 |
| Census Block | 1004 |
| Census Tract | 701306 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 18306 DUNDONNELL WAY, OLNEY, MD 20832-3125 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 25, 2000 · Amount on Record |
| Deed Sale | Jul 25, 2000 · Amount on Record |
| Prior Sale | Oct 29, 1999 · Amount on Record |
| Deed Document Number | 2000185453 |
| Deed Book / Page | 18266 / 190 |
| 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 | $866,733 (+2.58%) | $910,400 (+7.75%) Land $278,400 Building $632,000 | |
| 2025 | $9,569.00 (+22.71%) | $844,900 (+14.14%) Land $265,100 Building $579,800 | $844,900 (-) Land $265,100 Building $579,800 |
| 2023 | $740,233 | $844,900 Land $265,100 Building $579,800 | |
| 2022 | $7,798.00 |
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 | 4 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 80% of the US · above 41% of Maryland |
|---|---|
| Wildfire Likelihood | 0.01% annual chance |
| Exposure | Indirect within 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 207 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 |
May also be available: AT&T.
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