BuildingCensus

400 DEXTER AVE N

Office · Seattle

Active records here
3
business-tax + registry entities
Building area
443,118
sq ft (county roll)
Floors
12
county roll
Year built
2017
vintage
Assessed value
$217.9M
current roll
Assessed / sq ft
$492
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
—
not scored
Site energy use
169.7
kBtu per sq ft per year
Reported emissions
1,183
tonnes CO₂e
Disclosed area
443,118
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 — 3 matched business locations

Tenants & business locations

CompanySuite / floorSinceSourceMatch
400 DEXTER 82756—Jun 2018sea_licaddress · medium
The Collectivevia THE COLLECTIVE—Mar 2018sea_licaddress · medium
JUNO THERAPEUTICS INC# 1200Sep 2013sea_licaddress · medium

Seattle / King County assessment roll

Parcel record

FieldValue
parcel (major-minor)1988201380
Site address400 DEXTER AVE N
Land use (DOR) — Office
Building area (actual)443,118 sq ft
Floors / units / buildings12 / — / 1
Lot size—
Year built2017
Zoning (primary)—
Land value$11,172,000
Building value—
Total assessed value$217,869,000

Recorded owner (assessment roll)

No owning organisation shown. Where the county roll names a private individual, the name and mailing address are not published here.

Location

Address
400 DEXTER AVE N
City
Seattle

Within ~650 m

Nearby office buildings

No other office parcels within ~650 m.

Frequently asked questions

Who owns 400 DEXTER AVE N?

No owning organisation is shown for this parcel. Where the county roll names a private individual as owner, BuildingCensus does not publish the name or mailing address.

What companies have offices at 400 DEXTER AVE N?

3 active business locations at this building appear in Seattle / King County public records, including 400 DEXTER 82756, The Collective, JUNO THERAPEUTICS INC. Public records under-count tenants that don't hold a local receipt or register the address.

How big is 400 DEXTER AVE N?

The county assessment roll records 443,118 sq ft of building area across 12 floors, built in 2017, on a — lot, with a current assessed value of $217,869,000.

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 Seattle 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: Seattle / King County assessment roll, parcel (major-minor) 1988201380.