Montgomery County property record for 16821 Macduff Ave, Olney, MD 20832
| Property Type | Single Family Home |
|---|---|
| Details | 2.5 ba · 3,540 sqft · built 1987 |
| Lot Size | 0.569 acres (24,770 sqft) |
| Owner | Individual Name on File |
| Tax Bill | $8,894 (2025) |
| Deeds & Mortgages | May 2017 Line of Credit |
| Flood Zone | Zone X (minimal risk) |
| APN | 08-01789741 |
| Primary APN | 08-01789741 |
|---|---|
| Alternative APN |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 3,540 sqft Living Area |
| Gross Area | 3,940 sqft |
| 1st Floor Area | 1,444 sqft |
| Basement Area | 900 sqft |
| Finished Basement | 900 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1987 |
|---|---|
| Effective Year Built | Effective 1987 |
| Architectural Style | Bi-Level |
| Exterior Material | Siding |
| Roof Material | Composition Shingle |
| Lot Area | 24,770 sqft (0.569 acres) |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Open Porch |
| Porch Area | 224 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 01789741 |
|---|---|
| Street Address | 16821 MACDUFF AVE |
| City | OLNEY |
| State | MD |
| Zip | 20832-2949 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R200 |
| Legal Description | CHERRYWOOD |
| Legal Subdivision | CHERRYWOOD |
| Legal Block | R |
| Legal Lot Number | 5 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 8 |
| Census Block Group | 2 |
| Census Block | 2002 |
| Census Tract | 701313 |
16821 Macduff Ave is owned and occupied by an individual who acquired it in August 2005.
Source: Montgomery County records, as of August 17, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 16821 MACDUFF AVE, OLNEY, MD 20832-2949 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Aug 5, 2005 |
| Deed Sale | Aug 5, 2005 |
| Deed Document Number | 200524525 |
| Deed Book / Page | 30453 / 600 |
| Record Updated | Sep 20, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | MONTGOMERY MD |
| Property Address | 16821 MACDUFF AVE, OLNEY, MD 20832-2949 |
| Transaction Type | Mortgage |
| Record Updated | Feb 5, 2021 |
| Name | Verified Name |
|---|
| Document Number | 0543420232 |
|---|---|
| Date | May 24, 2017 |
| Book Page | 54342/232 |
| Name | EDUCATIONAL SYSTEMS FCU |
|---|---|
| Type | Credit Union |
| Address | GREENBELT, MD 20770 |
| Type | Line of Credit |
|---|---|
| Amount | Amount on Record |
| Term | 300 Months |
| Due | May 23, 2042 |
| Rate Type | Adjustable Rate |
|---|---|
| Change Frequency | Monthly |
The 2025 property tax bill for 16821 Macduff Ave was $8,894, up 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 | $797,633 (+1.44%) | $820,300 (+4.32%) Land $312,400 Building $507,900 | |
| 2025 | $8,894.00 (+1.03%) | $786,300 Land $297,400 Building $488,900 | $786,300 Land $297,400 Building $488,900 |
| 2024 | $8,803.00 | ||
| 2023 | $665,500 | $786,300 Land $297,400 Building $488,900 | |
| 2022 | $6,392.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 16821 Macduff Ave 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 | 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.
Wildfire risk around 16821 Macduff Ave 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 | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 253 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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