423 6TH ST S
Office · Seattle
At a glance
423 6TH ST S in Seattle, WA is listed on the Seattle / King County property roll as “Office”, parcel (major-minor) 7882600220. The roll records 324,923 sq ft of building area, 2 floors, a 2021 build year and an assessed value of $62,212,000.
Public record — 0 matched business locations
Tenants & business locations
No active business locations at this address appear in the public records ingested so far. That is a statement about the records, not the building: tenants without a county business-tax receipt or a Florida registration at this address are invisible to public data.
Seattle / King County assessment roll
Parcel record
| Field | Value |
|---|---|
| parcel (major-minor) | 7882600220 |
| Site address | 423 6TH ST S |
| Land use (DOR) | — Office |
| Building area (actual) | 324,923 sq ft |
| Floors / units / buildings | 2 / — / 1 |
| Lot size | — |
| Year built | 2021 |
| Zoning (primary) | — |
| Land value | $10,548,400 |
| Building value | — |
| Total assessed value | $62,212,000 |
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
- 423 6TH ST S
- City
- Seattle
Within ~650 m
Nearby office buildings
No other office parcels within ~650 m.
How does 423 6TH ST S compare with other Seattle office buildings?
At 324,923 sq ft, 423 6TH ST S is about 7 times the size of the average office building on the Seattle / King County roll, which comes to 46,649 sq ft across 4,289 buildings.
Its assessed value works out to $191 per square foot of building area, against $230 across all office floor area on the roll.
Does the owner of 423 6TH ST S hold other Seattle office property?
Seattle / King County's published roll does not include owner names, so no owner is shown for any parcel in this metro.
What does “Office” mean for this parcel?
The Seattle / King County roll classifies parcel (major-minor) 7882600220 as “Office”. BuildingCensus includes a parcel in its office census when the roll gives it an office-class use, so the label is the county's, not an inference.
Frequently asked questions
Who owns 423 6TH ST S?
Seattle / King County's published roll does not include owner names, so no owner is shown.
What companies have offices at 423 6TH ST S?
No business locations at this building appear in the public records ingested so far — no licence, tax or registry record currently lists this address; that is a gap in the record, not proof the building is empty.
How big is 423 6TH ST S?
The Seattle / King County roll records 324,923 sq ft of building area, 2 floors, a build year of 2021.
What is the assessed value of 423 6TH ST S?
$62,212,000 on the Seattle / King County roll. Assessed values are taxable-roll figures, not market prices.
What is the parcel (major-minor) for 423 6TH ST S?
Parcel (major-minor) 7882600220, site address 423 6TH ST S, Seattle. It is the key to look the parcel up in the King County Assessor bulk extracts and Seattle open data (Seattle / King County).
More around 423 6TH ST S
Everything here comes from public records, and public records go stale. If you know better, say so.
Data provenance — public records only
- Seattle / King County — King County Assessor bulk extracts and Seattle open data. Washington law restricts commercial use of lists of individuals, so this metro is built without personal names by design: the county's name-stripped account file provides mailing addresses (portfolios group by mailing cluster, unnamed), sales show price and date but never buyer or seller, and tenants are business licence trade names.
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) 7882600220.
About this data
Source: King County Assessor bulk extracts and Seattle open data (Seattle / King County), as published September 20, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “423 6TH ST S, Seattle, WA (parcel (major-minor) 7882600220)”, https://buildingcensus.com/offices/seattle/office-building-9a209c4d (data as of September 20, 2026).