1728 S 305th Pl, Federal Way, WA 98003

Multifamily · Federal Way · Seattle-Bellevue metro, WA

One of 255 reachable multifamily buildings in Federal Way. Larger than 57% of multifamily buildings in Federal Way (median 3,968 SF), derived from assessor records.

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Building size
5,356 SF, King County Assessor
Lot size
9,884 SF, King County Assessor
Year built
1977, King County Assessor
Stories
2, King County Assessor
Predominant use
Apts 7 Unit, King County Assessor
Units
7, King County Assessor
Assessed value
$1,330,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF
$248.32/SF, derived from assessor records
Lot coverage
54%, derived from assessor records
Vintage
1970s vintage
Zoning
RM1800, King County
County use code
Apartment

Nearby comparable buildings

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

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Sale history and market context

MakeMe Estimate: $1,261,791 (estimated market value), with a likely range of $1,120,076 to $1,439,352 (half of recent verified sales in this segment landed inside that range). Based on 667 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works. About $180K per unit at the midpoint (7 units).

Last sold: 2009-11-30 for $450,000 (recorded arm's-length sale).

Current ownership dates to 2009 (about 17 years) per recorded transfers.

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

Value over time

$456K$912K$1.37M$1.82M201120142017202020232026County appraised valueEstimated value (modeled range)

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 $464,000 (2011) to $1,330,000 (2026), up 187% over 15 years, per county tax rolls. The 2026 roll splits $1,330,000 into $275,000 land and $1,055,000 improvements.

Taxes