Anne Arundel County property record for 304 Sentinel Dr, Annapolis Junction, MD 20701
| Property Type | Commercial Office |
|---|---|
| Details | 551,529 sqft · built 2005 |
| Lot Size | 9.51 acres (414,691 sqft) |
| Owner | Company Name on Record |
| Last Sale | $436,155 (Jul 2004) |
| Tax Bill | $587,903 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 04-499-90220564 |
| Primary APN | 04-499-90220564 |
|---|---|
| Alternative APN |
|
| Units | 3 Units |
|---|---|
| Stories | 5 Stories |
| Building Area | 551,529 sqft Gross Area |
| 1st Floor Area | 551,529 sqft |
| Upper Floors Area | 1,664 sqft |
| Fire Sprinklers | Fire Sprinklers |
| Elevator | Elevator |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2005 |
| Fire Resistance | Fireproof Steel Frame |
| Roof Type | Flat |
| Roof Material | Built-Up Asphalt |
| Lot Area | 414,691 sqft |
| View / Lot | Commercial/Industrial |
| Total Buildings | 2 Buildings |
| Cooling System | A/C Chilled Water |
|---|---|
| Heating System | Hot Water |
| Account Number | 49990220564 |
|---|---|
| Street Address | 304 SENTINEL DR |
| City | ANNAPOLIS JUNCTION |
| State | MD |
| Zip | 20701-1073 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Commercial Office |
| Local Zoning Code | W1 |
| Legal Description | LT 21RRPH 4 THE NATIONAL BUSINESS PK |
| Legal Subdivision | THE NATIONAL BUSINESS PK |
| Legal Block | 2 |
| Legal Lot Number | 21RR |
| Jurisdiction | ANNE ARUNDEL MD |
| Township / Civil Division | 1 |
| Census Block Group | 2 |
| Census Block | 2031 |
| Census Tract | 740106 |
Source: NPS National Register of Historic Places, as of August 1, 2026
| Historic District | Within the Baltimore-Washington Parkway listed 1991 · 125 contributing resources · NRIS 91000532 |
|---|
Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.
Source: Anne Arundel County records, as of September 4, 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 | Company Name on Record |
|---|---|
| Mailing Address | 6711 COLUMBIA GATEWAY DR, 400, COLUMBIA, MD 21046-2547 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 30, 2004 · Amount on Record |
| Deed Sale | Jul 30, 2004 · Amount on Record |
| Deed Document Number | 200411720 |
| Deed Book / Page | 15172 / 21 |
| Record Updated | Oct 29, 2026 |
Source: Anne Arundel County assessment roll, as of September 4, 2026
| Type | Name |
|---|---|
| State | Maryland |
| County | Anne Arundel County |
| Unified School District | Anne Arundel County Public Schools (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $54,528,833 (+4.42%) | $57,380,500 (+8.06%) Land $7,140,000 Building $50,240,500 | |
| 2025 | $587,903.00 (+3.1%) | ||
| 2023 | $570,251.00 | $52,220,867 | $53,103,000 Land $5,902,400 Building $47,200,600 |
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 January 16, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 | GLEN BURNIE-BROADNECK serves 290,606 people · EPA ID MD0020017 |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | May 2024 |
| Lead | Under 1 ppb (2016–2018) 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 18 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
May also be available: Believe Broadband, Verizon.
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