5700 6th Ave S, Seattle, WA 98108

Office · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: mid-rise office, appears multi-tenant. AI estimate from public imagery. In recent public imagery (2026-06), the building appears well maintained. AI estimate from public imagery; may be outdated.

One of 957 reachable office buildings in Seattle. Larger than 55% of office buildings in Seattle (median 20,410 SF), derived from assessor records.

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Building size: 25,936 SF, King County Assessor
Lot size: 36,900 SF, King County Assessor
Year built: 1969, King County Assessor
Stories: 2, King County Assessor
Predominant use: Multi-Tenant Office Bldg & Whs, King County Assessor
Assessed value: $3,594,800, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $138.60/SF, derived from assessor records
Lot coverage: 70%, derived from assessor records
Vintage: 1960s vintage
Zoning: UI U/85, King County
County use code: Office Building
Construction (observed): metal, AI estimate from public imagery
Parking (observed): surface lot, AI estimate from public imagery

Nearby comparable buildings

Same building type, by distance. Assessor facts only; not an opinion of value.

655 S Orcas St, Seattle · 0 mi · 25,872 SF · built 1969 · assessed $137.57/SF
5602 6th Ave S, Seattle · 0 mi · 12,960 SF · built 1971 · assessed $212.26/SF
620 S Orcas St, Seattle · 0.1 mi · 9,636 SF · built 1971 · assessed $222.90/SF
5601 6th Ave S, Seattle · 0.1 mi · 548,945 SF · built 1982 · assessed $89.15/SF
650 S Orcas St, Seattle · 0.1 mi · 28,334 SF · built 1970 · assessed $132.99/SF
5512 6th Ave S, Seattle · 0.1 mi · 3,096 SF · built 1956 · assessed $238.63/SF

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Sale history and market context

MakeMe Estimate: $4,620,626 (estimated market value), with a likely range of $4,499,583 to $6,105,120 (half of recent verified sales in this segment landed inside that range). Based on 185 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 1998 (about 28 years) per recorded transfers.

1998-04-06: $8,650,000 from Pacific Northwest Group to Private party (part of a 9-parcel sale; price is the whole deal), rec. 199804302863

1984-11-29: $5,950,000 from Beneroya Company Jack A to Pacific Northwest Group A (part of a 30-parcel sale; price is the whole deal), rec. 198411300785

Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.

Value over time

Solid line: county appraised value per King County tax rolls. Shaded range: our modeled estimate for each year, built from recorded arm's-length sales in the building's segment; years without enough sales stay unmodeled. Dots: recorded arm's-length sales. Not an appraisal. How this estimate works.

Land, site, and value history

Assessed value moved from $2,381,000 (2011) to $3,594,800 (2026), up 51% over 15 years, per county tax rolls. The 2026 roll splits $3,594,800 into $2,214,000 land and $1,380,800 improvements.

Zoning: UI U/85 (per King County)

Lot: 36,900 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Floor and use mix: Office Building 22,378 SF; Storage Warehouse 3,558 SF (county building sections)

County districts report (schools, fire, sewer, council; on kingcounty.gov)