3401 Massachusetts Ave NW, Washington, DC 20007 Property Records

District of Columbia property record for 3401 Massachusetts Ave NW, Washington, DC 20007 · Last verified November 2025

Property Highlights

Property Type	Public Works > Governmental Administrative Office (Federal, State, Local, Court House)
Year Built	Built 1935
Square Footage	46,908 sqft Gross Area
Lot Size	36,566 sqft (0.839 acres)
Occupancy	Owner Occupied

Primary APN	`1939 0039`

Year Built	Built 1935
Exterior Material	Stone Exterior
Construction Type	Tilt-Up Concrete Construction
Lot Area	36,566 sqft (0.839 acres)

Street Address	3401 MASSACHUSETTS AVE NW
City	WASHINGTON
State	DC
Zip	20007-1446
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 > Governmental Administrative Office (Federal, State, Local, Court House)
Legal Description	SQUARE 1939 LOT 0039 NBHD: OBSERVATORY CIRCLE
Legal Subdivision	OBSERVATORY CIRCLE
Legal Block	1939
Legal Lot Number	0039
Jurisdiction	DISTRICT OF COLUMBIA DC
Minor Civil Division	WASHINGTON
Census Blockgroup	1
Census Block	1013
Census Tract	400

Source: District of Columbia records · APN 1939 0039

Assessment roll updated January 1, 2025 · Last verified November 2025

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	2720 34TH ST NW, WASHINGTON, DC 20008-2705
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deed Names	Verified Name on Deed
Record Refreshed	Jun 08, 2026

Source: District of Columbia records · Assessment roll updated January 1, 2025 · Last verified November 2025

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	Additional exemption filed	$10,044,340 (+11.95%) Land $2,256,490 Building $7,787,850	$10,044,340 (+11.95%) Land $2,256,490 Building $7,787,850
2023	Additional exemption filed	$8,971,870 Land $2,212,240 Building $6,759,630	$8,971,870 Land $2,212,240 Building $6,759,630