181 S 333rd St, Federal Way, WA 98003

Office · Federal Way · Seattle-Bellevue metro, WA

One of 171 reachable office buildings in Federal Way. Larger than 70% of office buildings in Federal Way (median 9,872 SF), derived from assessor records.

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Building size: 20,928 SF, King County Assessor
Lot size: 70,131 SF, King County Assessor
Year built: 1975, King County Assessor
Stories: 2, King County Assessor
Predominant use: Office Building, King County Assessor
Assessed value: $3,499,800, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $167.23/SF, derived from assessor records
Lot coverage: 30%, derived from assessor records
Vintage: 1970s vintage
Zoning: OP, King County
County use code: Office Building

Nearby comparable buildings

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

33310 1st Way S, Federal Way · 0 mi · 14,444 SF · built 1975 · assessed $205.33/SF
350 S 333rd St, Federal Way · 0.1 mi · 5,348 SF · built 1981 · assessed $196.26/SF
402 S 333rd St, Federal Way · 0.1 mi · 14,048 SF · built 1979 · assessed $141.80/SF
33320 1st Way S, Federal Way · 0.1 mi · 18,158 SF · built 1975 · assessed $168.94/SF
33405 6th Ave S, Federal Way · 0.1 mi · 10,495 SF · built 2002 · assessed $223.61/SF
33313 1st Way S, Federal Way · 0.1 mi · 5,114 SF · built 1983 · assessed $180.48/SF

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Sale history and market context

MakeMe Estimate: $4,010,994 (estimated market value), with a likely range of $3,905,921 to $5,299,629 (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.

Last sold: 2021-12-21 for $2,660,000 (recorded arm's-length sale).

Current ownership dates to 2021 (about 5 years) per recorded transfers.

2021-12-21: $2,660,000 from Wu Properties LLC to Private party, rec. 20220214000022

2019-12-26: $1,375,000 from RKMN Investments LLC to Wu Properties LLC, rec. 20191227000453

2012-04-25: $1,375,000 from Cstpi LLC to RKMN Investments LLC, rec. 20120425001195

2005-02-14: $5,075,000 from Private party to Cstpi LLC (part of a 4-parcel sale; price is the whole deal), rec. 20050214002112

1999-09-28: transfer from Private party to Private party (part of a 4-parcel sale; price is the whole deal), rec. 19991004002219

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 $2,179,600 (2011) to $3,499,800 (2026), up 61% over 15 years, per county tax rolls. The 2026 roll splits $3,499,800 into $981,800 land and $2,518,000 improvements.

Zoning: OP (per King County)

Lot: 70,131 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 20,928 SF (county building sections)

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