District of Columbia property record for 4801 Massachusetts Ave NW, Washington, DC 20016 · Last verified August 2026
| Property Type | Public Works > Public Health Care Facility (Exempt) |
|---|---|
| Year Built | Built 1989 |
| Square Footage | 432,112 sqft Gross Area |
| Lot Size | 41,650 sqft (0.956 acres) |
| Last Sale | $12,000,000 (1994) |
| Primary APN | 1499-0806 |
|---|
| Total Rooms | 80 Rooms |
|---|---|
| Units | 13 Units |
| Building Area | 432,112 sqft Gross Area |
| Basement Area | 112,220 sqft Basement |
| Stories | 6 Stories |
| Year Built | Built 1980 |
|---|---|
| Effective Year Built | Effective 1989 |
| Exterior Material | Brick Exterior |
| Construction Type | Concrete Construction |
| Roof Construction | Flat Roof Construction |
| Lot Area | 41,650 sqft (0.956 acres) |
| Heating System | Forced Air with Air Conditioning Heating |
|---|
| Street Address | 4801 MASSACHUSETTS AVE NW |
|---|---|
| City | WASHINGTON |
| State | DC |
| Zip | 20016-8180 |
| Property Usage | Land which may be one of the following: Public spaces (i.e. parks and beaches), public buildings (i.e. schools, hospitals, courthouse), public services (i.e. water treatment, electrical grid/product, dams) Property Usage |
| Type | Public Works > Public Health Care Facility (Exempt) |
| Legal Description | SQUARE 1499 LOT 0806 NBHD: AMERICAN UNIVERSITY |
| Legal Subdivision | AMERICAN UNIVERSITY |
| Legal Block | 1499 |
| Legal Lot Number | 806 |
| Jurisdiction | DISTRICT OF COLUMBIA DC |
| Minor Civil Division | WASHINGTON |
| Census Blockgroup | 3 |
| Census Block | 3009 |
| Census Tract | 1003 |
Source: District of Columbia records · APN 1499-0806
Assessment roll updated October 29, 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 | Individual Owner on File |
|---|---|
| Mailing Address | 4801 MASSACHUSETTS AVE NW, WASHINGTON, DC 20016-8180 |
| Owner Type | Owner is a Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Known Transactions |
|
| Deed Doc Number | 199453830 |
| Last Transfer Date | Dec 18, 2024 |
| Transfer Doc | 0000119652 |
| Record Refreshed | Sep 20, 2026 |
Source: District of Columbia records · Assessment roll updated October 29, 2025 · Last verified August 2026
| Type | Name |
|---|---|
| Federal District & City | Washington, District of Columbia |
| Unified School District | District of Columbia 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 | $110,375,520 (+7.23%) Land $20,561,770 Building $89,813,750 | $110,375,520 (+7.23%) Land $20,561,770 Building $89,813,750 | |
| 2023 | Additional exemption filed | $102,929,570 Land $20,158,600 Building $82,770,970 | $102,929,570 Land $20,158,600 Building $82,770,970 |
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