Frederick County property record for 403 Prospect Rd, Mount Airy, MD 21771
| Property Type | Single Family Home |
|---|---|
| Details | 3 ba · 2,913 sqft · built 1910 |
| Lot Size | 0.273 acres (11,906 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $133,900 (Feb 1989) |
| Tax Bill | $5,387 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 18-366894 |
| Primary APN | 18-366894 |
|---|---|
| Alternative APN |
|
| Full Baths | 3 Baths |
|---|---|
| Stories | 2 Stories |
| Building Area | 2,913 sqft Living Area |
| Gross Area | 3,172 sqft |
| 1st Floor Area | 1,683 sqft |
| Year Built | Built 1910 |
|---|---|
| Effective Year Built | Effective 1910 |
| Architectural Style | Conventional |
| Exterior Material | Combination |
| Construction Type | Wood |
| Roof Material | Composition Shingle |
| Lot Area | 11,906 sqft (0.273 acres) |
| Pool Area | 512 sqft |
|---|---|
| Porch | Enclosed Porch |
| Porch Area | 515 sqft |
| Shed | 1 Shed |
| Shed Area | 440 sqft |
| Heating System | Baseboard |
|---|---|
| Sewer | Municipal |
| Account Number | 366894 |
|---|---|
| Street Address | 403 PROSPECT RD |
| City | MOUNT AIRY |
| State | MD |
| Zip | 21771-5902 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT .2733 ACRES N/S PROSPECT RD. MT. AIRY |
| Legal Subdivision | MT AIRY |
| Legal Lot Number | 2733 |
| Jurisdiction | FREDERICK MD |
| Township / Civil Division | 18, WOODVILLE |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 752001 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Individually Listed | Old National Pike Milestones listed 1975 · 69 contributing resources · NRIS 75002107 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Frederick County records, as of July 14, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Individual Name on Record |
|---|---|
| Mailing Address | PO BOX 525, WASHINGTON GROVE, MD 20880-0525 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 15, 1989 · Amount on Record |
| Deed Sale | Feb 15, 1989 · Amount on Record |
| Prior Sale | Oct 29, 1986 · Amount on Record |
| Deed Book / Page | 1543 / 80 |
| Record Updated | Sep 20, 2026 |
Source: Frederick County assessment roll, as of August 4, 2025
| Type | Name |
|---|---|
| State | Maryland |
| County | Frederick County |
| Municipality | Mount Airy Town |
| Unified School District | Frederick County Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $5,387.00 (+15.53%) | $373,667 (+9.28%) | $421,800 (+20.65%) Land $132,400 Building $289,400 |
| 2023 | $4,663.00 | $341,933 | $349,600 Land $112,300 Building $237,300 |
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 November 6, 2024
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; 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 | 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 | TOWN OF MOUNT AIRY serves 9,890 people · EPA ID MD0060007 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2024 |
| Lead | 1 ppb (2022–2024) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 3 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 157 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
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