31200 23rd Ave S, Federal Way, WA 98003

Commercial · Federal Way · Seattle-Bellevue metro, WA

One of 129 reachable commercial buildings in Federal Way. Larger than 81% of commercial buildings in Federal Way (median 25,170 SF), derived from assessor records.

Usable building area
77,210 SF, King County Assessor
Lot size
150,282 SF, King County Assessor
Year built
1997, King County Assessor
Stories
2, King County Assessor
Buildings on parcel
2, King County Assessor
Predominant use
Retirement Facility, King County Assessor
Units
73, King County Assessor
Assessed value
$15,493,100, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$200.66/SF, derived from assessor records
Usable area / lot
0.51, derived from assessor records
Vintage
1990s vintage
Zoning
CF, King County
County use code
Retirement Facility

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: $17.6M (estimated market value), with a likely range of $14.6M to $21.2M (half of recent verified sales in this segment landed inside that range). Based on 4 verified arm's-length comparable sales (through 2026-06-01). Not an appraisal. How this estimate works.

lower confidence: 0 comparable sales within 3 miles; nearest 4 mi. This property type carries wider measured error; treat the estimate as a starting point.

Comparable sales used as evidence

Recorded arm's-length sales of similar buildings nearby; nearer and more recent sales rank first. Buyer and seller names are withheld. Get this data via API.

Market context: Commercial in Federal Way

1 sales in the last 12 months and 1 in 24 (newest verified sale 2025-12).

Thin market: under 5 verified sales in the last 24 months; treat these aggregates as directional.

Computed from 114 verified arm's-length sales in King County public records (1 in the trailing 24 months). Free public records. Not an appraisal.

Last sold: 2018-12-05 for $16,538,746 (recorded arm's-length sale).

Current ownership dates to 2018 (about 8 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

$0$10M$20M$30M201120142017202020232026$9.19MLast sold $16.5M · 2018$17.6M$15.5MCounty assessed valueMakeMe Estimate rangeRecorded sale

Dark line: county assessed value per King County tax rolls. Blue line: our estimate; dashed years are a modeled backcast built from recorded arm's-length sales in the building's segment, not estimates published at the time, and years without enough sales stay unmodeled. The shaded range is the model's measured error band; about half of verified sales in the segment land inside it. Diamonds: recorded arm's-length sales. Not an appraisal. How this estimate works.

Land, site, and value history

Assessed value moved from $5,500,000 (2011) to $15,493,100 (2026), up 182% over 15 years, per county tax rolls. The 2026 roll splits $15,493,100 into $5,259,800 land and $10,233,300 improvements.

Taxes

Permit history

Source: King County permit records (newest first).