Anne Arundel County property record for 312 Sentinel Dr, Annapolis Junction, MD 20701
| Property Type | Office Building |
|---|---|
| Details | 120,160 sqft · built 2013 |
| Lot Size | 5.61 acres (244,372 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,115,900 (Dec 2011) |
| Tax Bill | $395,636 (2023) |
| Flood Zone | Zone X (minimal risk) |
| APN | 04-499-90218041 |
| Primary APN | 04-499-90218041 |
|---|---|
| Alternative APN |
|
| Stories | 4 Stories |
|---|---|
| Building Area | 120,160 sqft Total Area |
| Fire Sprinklers | Fire Sprinklers |
| Elevator | Elevator |
| Year Built | Built 2013 |
|---|---|
| Exterior Material | Concrete |
| Fire Resistance | Fireproof Steel Frame |
| Roof Type | Flat |
| Lot Area | 244,372 sqft (5.61 acres) |
| Cooling System | A/C Chilled Water |
|---|---|
| Heating System | Hot Water |
| Account Number | 49990218041 |
|---|---|
| Street Address | 312 SENTINEL DR |
| City | ANNAPOLIS JUNCTION |
| State | MD |
| Zip | 20701 |
| Property Category | Commercial |
| Property Type | Commercial > Office > Office Building |
| Local Zoning Code | W1 |
| Legal Description | LT 26RRRR PH 4 312 SENTINEL WAY NATIONAL BUSINESS PK |
| Legal Subdivision | NATIONAL BUS PARK PH 04 |
| Legal Phase | 4 |
| Legal Lot Number | 26RRR |
| Jurisdiction | ANNE ARUNDEL MD |
| Township / Civil Division | 1 |
| Census Block Group | 2 |
| Census Block | 2024 |
| 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 25, 2023
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on Record |
|---|---|
| Mailing Address | 6711 COLUMBIA GATEWAY DR STE 400, 400, COLUMBIA, MD 21046-2547 |
| Owner Type | Company |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 21, 2011 · Amount on Record |
| Deed Sale | Dec 21, 2011 · Amount on Record |
| Deed Document Number | 0024131290 |
| Deed Book / Page | 24131 / 290 |
| Record Updated | Jun 7, 2026 |
Source: Anne Arundel County assessment roll, as of July 1, 2023
| 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 |
|---|---|---|---|
| 2023 | $395,636.00 | $36,230,400 Land $3,478,200 Building $32,752,200 | $36,230,400 Land $3,478,200 Building $32,752,200 |
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 11 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Believe Broadband Fixed Wireless | 500 / 100 |
| Starlink Satellite | 280 / 30 |
May also be available: AT&T, Xfinity.
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