33405 8th Ave S, Federal Way, WA 98003

Office · Federal Way · Seattle-Bellevue metro, WA

Imagery suggests: office campus. 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 AI estimate from public imagery; may be outdated.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 171 reachable office buildings in Federal Way. Larger than 95% of office buildings in Federal Way (median 9,872 SF), derived from assessor records.

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Building size: 117,504 SF, King County Assessor
Lot size: 356,018 SF, King County Assessor
Year built: 1979, King County Assessor
Stories: 2, King County Assessor
Predominant use: Office Building, King County Assessor
Assessed value: $8,349,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $71.05/SF, derived from assessor records
Lot coverage: 33%, derived from assessor records
Vintage: 1970s vintage
Zoning: OP, King County
County use code: Office Building
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.

33515 9th Ave S, Federal Way · 0.1 mi · 3,744 SF · built 2007 · assessed $400/SF
33400 8th Ave S, Federal Way · 0.1 mi · 68,586 SF · built 1981 · assessed $111.32/SF
33405 6th Ave S, Federal Way · 0.1 mi · 10,495 SF · built 2002 · assessed $223.61/SF
33528 6th Ave S, Federal Way · 0.1 mi · 11,046 SF · built 2008 · assessed $223.62/SF
33455 6th Ave S, Federal Way · 0.1 mi · 77,766 SF · built 2008 · assessed $122.51/SF
530 S 336th St, Federal Way · 0.1 mi · 12,700 SF · built 1981 · assessed $210.46/SF

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Sale history and market context

MakeMe Estimate: $12,358,702 (estimated market value), with a likely range of $12,034,951 to $16,329,251 (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 2017 (about 9 years) per recorded transfers.

2017-01-18: $15,650,000 from Lba Realty Fund II-Company I LLC to HS Evergreen Corporate Center LLC (part of a 3-parcel sale; price is the whole deal), rec. 20170118002502

2005-12-19: $11,200,000 from Weyerhaeuser Company to Lba Realty Fund II-Company I LLC (part of a 3-parcel sale; price is the whole deal), rec. 20051223000705

1989-09-05: $15,873,262 from Private party to Weyerhaeuser CO (part of a 3-parcel sale; price is the whole deal), rec. 198909080468

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 $7,118,000 (2011) to $8,349,000 (2026), up 17% over 15 years, per county tax rolls. The 2026 roll splits $8,349,000 into $4,984,200 land and $3,364,800 improvements.

Zoning: OP (per King County)

Lot: 356,018 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 117,504 SF (county building sections)

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

Permit history

2025-12-02: Remodel, declared value $68,000, permit 25-003497-00-CO

2016-11-28: Remodel, declared value $350,000 (Screened), permit 16-105157-00-CO

2015-01-26: Remodel, declared value $318,000 (Screened), permit 15-100147-00-CO

2013-12-17: Remodel, declared value $100,000 (Screened), permit 13-103965-00-CO

2013-12-06: Remodel, declared value $850,000 (Screened), permit 13-104057-00-CO

2011-03-29: Remodel, declared value $150,000 (Complete), permit 11-100613-00-CO

2011-03-18: Remodel, declared value $650,000 (Complete), permit 11-100614-00-CO

2007-05-30: Remodel, declared value $450,000 (Complete), permit 07-102160-00-CO

2007-05-14: Remodel, declared value $250,000 (Complete), permit 07-101976-00-CO

Source: King County permit records (newest first).