BuildingCensus

1351 CONSTITUTION AVE NW

Office (large) · Washington · 20002

Active records here
2
business-tax + registry entities
Building area
468,638
sq ft (county roll)
Floors
—
county roll
Year built
1933
vintage
Assessed value
$301.3M
current roll
Assessed / sq ft
$643
assessed value per sq ft
Last sold
—
no transfer on record
Sale / sq ft
—
not derivable from the record

Public record — 3 matched business locations

Tenants & business locations

CompanySuite / floorSinceSourceMatch
N/A—Dec 2026dc_dlcpfolio match · high
IN - TEK Inc.—Sep 2026dc_dlcpfolio match · high
ARIEL RIOS BLDG7Feb 2025dc_dlcpfolio match · high

Washington, DC assessment roll

Parcel record

FieldValue
SSL02590804
Site address1351 CONSTITUTION AVE NW
Land use (DOR)052 — Office (large)
Building area (actual)468,638 sq ft
Floors / units / buildings— / — / —
Lot size81,843 sq ft
Year built1933
Zoning (primary)—
Land value—
Building value—
Total assessed value$301,343,650

Recorded owner (assessment roll)

UNITED STATES OF AMERICA

Owner mailing address: not listed

Location

Address
1351 CONSTITUTION AVE NW
City
Washington
ZIP
20002

Within ~650 m

Nearby office buildings

No other office parcels within ~650 m.

Frequently asked questions

Who owns 1351 CONSTITUTION AVE NW?

The recorded owner on the Washington, DC assessment roll (current) is UNITED STATES OF AMERICA. Owner mailing address on file: not listed.

What companies have offices at 1351 CONSTITUTION AVE NW?

3 active business locations at this building appear in Washington, DC public records, including N/A, IN - TEK Inc., ARIEL RIOS BLDG. Public records under-count tenants that don't hold a local receipt or register the address.

How big is 1351 CONSTITUTION AVE NW?

The county assessment roll records 468,638 sq ft of building area, built in 1933, on a 81,843 sq ft lot, with a current assessed value of $301,343,650.

Everything here comes from public records, and public records go stale. If you know better, say so.

Data provenance — public records only

Every fact on this page is drawn from the government records above — no listing sites, no scraped platforms, no third-party images. Facts from public records are uncopyrightable; each tenancy row carries its source and match confidence. Records can lag reality — a business-tax receipt or registration at an address is evidence of occupancy, not a lease confirmation.

Working with Washington office parcels? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

Dataset updated . Source: Washington, DC assessment roll, SSL 02590804.