Prince George's County property record for 10400 Tullymore Dr, Adelphi, MD 20783 · Last verified August 2026
| Property Type | Single Family Home |
|---|---|
| Details | 2 ba · 1,698 sqft · built 1951 |
| Lot Size | 0.328 acres (14,266 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $57,000 (Sep 1978) |
| Tax Bill | $9,026 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 21-2419901 |
| Primary APN | 21-2419901 |
|---|---|
| Alternative APN |
|
| Full Baths | 2 Baths |
|---|---|
| Stories | 1 Story |
| Building Area | 1,698 sqft Living Area |
| 1st Floor Area | 1,282 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1951 |
| Architectural Style | Conventional |
| Exterior Material | Brick |
| Construction Type | Brick |
| Roof Material | Composition Shingle |
| Lot Area | 14,266 sqft (0.328 acres) |
| Cooling System | HVAC |
|---|---|
| Heating System | HVAC |
| Sewer | Municipal |
| Account Number | 2419901 |
|---|---|
| Street Address | 10400 TULLYMORE DR |
| City | ADELPHI |
| State | MD |
| Zip | 20783-1147 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | KNOLLWOOD |
| Legal Block | C |
| Legal Lot Number | 20 |
| Jurisdiction | PRINCE GEORGE'S MD |
| Township / Civil Division | 21, BERWYN |
| Census Block Group | 1 |
| Census Block | 1006 |
| Census Tract | 807304 |
Source: Prince George's County records · APN 21-2419901
Assessment roll updated October 13, 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 | 10400 TULLYMORE DR, ADELPHI, MD 20783-1147 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Sep 22, 1978 · Amount on Record |
| Deed Sale | Sep 22, 1978 · Amount on Record |
| Deed Book / Page | 4993 / 48 |
| Record Updated | Sep 20, 2026 |
Source: Prince George's County records · Assessment roll updated October 13, 2025 · Last verified August 2026
| Type | Name |
|---|---|
| State | Maryland |
| County | Prince George's County |
| Unified School District | Prince George's 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 |
|---|---|---|---|
| 2025 | $9,026.00 (+143.42%) Homeowner's exemption | $378,567 (+13.51%) | $440,100 (+26.54%) Land $141,800 Building $298,300 |
| 2023 | $3,708.00 Homeowner's exemption | $333,500 | $347,800 Land $126,800 Building $221,000 |
Source: FEMA National Flood Hazard Layer, Prince George's County (24033C), updated January 15, 2026 · 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.
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