Frederick County property record for 320 Glenvale Ave, Mount Airy, MD 21771
| Property Type | Townhouse |
|---|---|
| Details | 2.5 ba · 1,884 sqft · built 2004 |
| Lot Size | 0.077 acres (3,354 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $137,000 (Apr 2004) |
| Tax Bill | $5,191 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 18-400790 |
| Primary APN | 18-400790 |
|---|---|
| Alternative APN |
|
| Full Baths | 2.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 1,884 sqft Living Area |
| 1st Floor Area | 792 sqft |
| Basement Area | 360 sqft |
| Finished Basement | 360 sqft |
| Year Built | Built 2004 |
|---|---|
| Effective Year Built | Effective 2004 |
| Architectural Style | Townhouse |
| Exterior Material | Siding |
| Roof Material | Composition Shingle |
| Lot Area | 3,354 sqft (0.077 acres) |
| Porch | Open Porch |
| Porch Area | 80 sqft |
| Cooling System | Central |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 400790 |
|---|---|
| Street Address | 320 GLENVALE AVE |
| City | MOUNT AIRY |
| State | MD |
| Zip | 21771-5353 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Townhouse |
| Legal Description | LOT 25 PLAT 1 3,354 SQ. FT. WILLOW GLEN |
| Legal Subdivision | WILLOW GLEN 01 |
| Legal Lot Number | 25 |
| Jurisdiction | FREDERICK MD |
| Township / Civil Division | 18, WOODVILLE |
| Census Block Group | 2 |
| Census Block | 2001 |
| 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.
320 Glenvale Ave, a townhouse, is owned by two individuals who bought it in April 2004.
Source: Frederick County records, as of August 7, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 12915 CIRCLE DR, ROCKVILLE, MD 20850-3718 |
| Owner Type | Individual |
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 | Apr 28, 2004 · Amount on File |
| Deed Sale | Apr 28, 2004 · Amount on File |
| Deed Document Number | 200442681 |
| Deed Book / Page | 4566 / 64 |
| Record Updated | Sep 20, 2026 |
The 2025 property tax bill for 320 Glenvale Ave was $5,191, up 8% from the year before.
Source: Frederick County assessment roll, as of August 7, 2026
| 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 |
|---|---|---|---|
| 2026 | $383,367 (+6.54%) | $406,900 (-) Land $110,000 Building $296,900 | |
| 2025 | $5,191.00 (+8.01%) | $359,833 | $406,900 Land $110,000 Building $296,900 |
| 2024 | $4,806.00 (+9.73%) | ||
| 2023 | $4,380.00 | $320,767 | $336,300 Land $95,000 Building $241,300 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 320 Glenvale Ave in Zone X, an area of minimal flood risk.
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.
Wildfire risk around 320 Glenvale 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 | 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 | 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 205 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: AT&T.
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