Frederick County property record for 4520 Mack Ave, Frederick, MD 21703 · Last verified August 2026
| Property Type | Industrial > Industrial Loft Building, Loft Building |
|---|---|
| Year Built | Built 1988 |
| Square Footage | 8,476 sqft Total Area |
| Lot Size | 1.46 acres |
| Last Sale | $161,200 (1987) |
| Tax Bill | $15,186.00 (2025) |
Source: Frederick County records · APN 01-017381
Assessment roll updated August 7, 2026 · Last verified August 2026
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| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 4520 MACK AVE, FREDERICK, MD 21703-7344 |
| Owner Type | Owner is a Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 18, 1987 · Amount on Record |
| Deed Sale | Jun 18, 1987 · Amount on Record |
| Deed Book / Page | 1425 / 590 |
| Record Refreshed | Sep 20, 2026 |
Source: Frederick County records · Assessment roll updated August 7, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Maryland |
| County | Frederick County |
| Unified School District | Frederick 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 | $1,229,000 (+13.74%) Land $352,800 Building $876,200 | $1,229,000 (-0.54%) Land $352,800 Building $876,200 | |
| 2025 | $15,186.00 (+18.34%) | ||
| 2023 | $12,832.00 | $1,080,567 | $1,235,700 Land $320,100 Building $915,600 |
Source: FEMA National Flood Hazard Layer, Frederick County (24021C), updated November 6, 2024 · 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 | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
| Primary APN | 01-017381 |
|---|---|
| Alternative APNs |
|
| Units | 9 Units |
|---|---|
| Building Area | 8,476 sqft Total Area |
| 1st Floor | 8,476 sqft 1st Floor |
| Stories | 1 Stories |
| Year Built | Built 1988 |
|---|---|
| Effective Year Built | Effective 1988 |
| Exterior Material | Metal Exterior |
| Construction Type | Brick Construction |
| Fire Resistance Class | Specialized buildings that do not fit in any of the above categories. |
| Roof Construction | Flat Roof Construction |
| Roof Material | Metal Roof |
| Lot Area | 64,033 sqft |
| Shed | 1 Shed |
| Heating System | Space Heating |
|---|---|
| Sewage | Municipal Sewage |
| Account Number | 017381 |
|---|---|
| Street Address | 4520 MACK AVE |
| City | FREDERICK |
| State | MD |
| Zip | 21703-7344 |
| Property Usage | Industrial Property Usage |
| Type | Industrial > Industrial Loft Building, Loft Building |
| Legal Description | LT 8 1.4799 ACRES BOWMANS PLAINS |
| Legal Subdivision | BOWMANS PLAINS |
| Legal Lot Number | 8 |
| Jurisdiction | FREDERICK MD |
| Minor Civil Division | 1, BUCKEYSTOWN |
| Census Blockgroup | 2 |
| Census Block | 2013 |
| Census Tract | 752301 |
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