Howard County property record for 16577 Old Frederick Rd, Mount Airy, MD 21771 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 1.5 ba · 1,332 sqft · built 1979 |
| Lot Size | 1.43 acres (62,291 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $4,197 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 04-319141 |
| Primary APN | 04-319141 |
|---|---|
| Alternative APNs |
|
| Full Baths | 1.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Stories | 1 Story |
| Building Area | 1,332 sqft Total Area |
| Basement Area | 400 sqft |
| Finished Basement | 400 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1979 |
| Architectural Style | Split Foyer |
| Exterior Material | Siding |
| Roof Material | Composition Shingle |
| Lot Area | 62,291 sqft (1.43 acres) |
| Garage Type | Attached |
| Garage Area | 676 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 192 sqft |
| Cooling System | HVAC |
|---|---|
| Heating System | Heat Pump |
| Sewer | Connected |
| Account Number | 319141 |
|---|---|
| Street Address | 16577 OLD FREDERICK RD |
| City | MOUNT AIRY |
| State | MD |
| Zip | 21771-3329 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1D 1.431 A 16577 OLD FREDERICK RD ES MT AIRY |
| Legal Subdivision | MT AIRY |
| Legal Lot Number | 1 D |
| Jurisdiction | HOWARD MD |
| Township / Civil Division | 4, LISBON |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 604001 |
Source: Howard County records · APN 04-319141
Assessment roll updated August 4, 2025 · Last verified August 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 File |
|---|---|
| Mailing Address | 16577 OLD FREDERICK RD, MOUNT AIRY, MD 21771-3329 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Sep 20, 2026 |
Source: Howard County records · Assessment roll updated August 4, 2025 · Last verified August 2026
| Type | Name |
|---|---|
| State | Maryland |
| County | Howard County |
| Unified School District | Howard County Public Schools (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $390,167 (+7.54%) | $444,900 (+22.63%) Land $188,000 Building $256,900 | |
| 2025 | $4,197.00 (+42.27%) Homeowner's exemption | $362,800 (+22.73%) Land $115,300 Building $247,500 | $362,800 (-) Land $115,300 Building $247,500 |
| 2023 | $295,600 | $362,800 Land $115,300 Building $247,500 | |
| 2022 | $2,950.00 |
Source: FEMA National Flood Hazard Layer, Howard County (24027C), updated October 31, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Special Flood Hazard Area | No |
| Wildfire Risk | Low above 20% of the US · above 41% of Maryland |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; lenders make the official flood determination.
Source: NPS National Register of Historic Places · August 1, 2026 release · Last verified October 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.
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