BuildingCensus

1780 MASSACHUSETTS AVE NW

Office (large) · Washington · 20036

Active records here
0
business-tax + registry entities
Building area
23,247
sq ft (county roll)
Floors
—
county roll
Year built
1914
vintage
Assessed value
$10.7M
current roll
Assessed / sq ft
$459
assessed value per sq ft
Last sold
—
no transfer on record
Sale / sq ft
—
not derivable from the record

The building's own benchmarking filing

Energy performance

ENERGY STAR score
59
of 100 nationally
Site energy use
54.1
kBtu per sq ft per year
Reported emissions
93
tonnes CO₂e
Disclosed area
23,247
sq ft, 2025 filing

From the building's own filing under the City of Miami's benchmarking ordinance. An ENERGY STAR score of 75 or above means the building outperforms three quarters of comparable buildings nationally. It is a self-reported figure, verified by the city only to the extent the ordinance requires.

Public record — 1 matched business locations

Tenants & business locations

CompanySuite / floorSinceSourceMatch
N/A—Sep 2026dc_dlcpfolio match · high

Washington, DC assessment roll

Parcel record

FieldValue
SSL01580077
Site address1780 MASSACHUSETTS AVE NW
Land use (DOR)052 — Office (large)
Building area (actual)23,247 sq ft
Floors / units / buildings— / — / —
Lot size5,993 sq ft
Year built1914
Zoning (primary)—
Land value—
Building value—
Total assessed value$10,665,170

Recorded owner (assessment roll)

THE BROOKINGS INSTITUTION

Owner mailing address: 1775 MASSACHUSETTS AVE NW, WASHINGTON, DC, 20036

2 Washington office properties share this owner mailing address →
Commercial property is usually held one building per entity; a shared mailbox is how the roll reveals a portfolio. It is evidence of common ownership, not proof.

Location

Address
1780 MASSACHUSETTS AVE NW
City
Washington
ZIP
20036

Within ~650 m

Nearby office buildings

No other office parcels within ~650 m.

Frequently asked questions

Who owns 1780 MASSACHUSETTS AVE NW?

The recorded owner on the Washington, DC assessment roll (current) is THE BROOKINGS INSTITUTION. Owner mailing address on file: 1775 MASSACHUSETTS AVE NW, WASHINGTON, DC, 20036.

What companies have offices at 1780 MASSACHUSETTS AVE NW?

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

How big is 1780 MASSACHUSETTS AVE NW?

The county assessment roll records 23,247 sq ft of building area, built in 1914, on a 5,993 sq ft lot, with a current assessed value of $10,665,170.

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.

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Dataset updated . Source: Washington, DC assessment roll, SSL 01580077.