5430 W Marginal Way SW, Seattle, WA 98106

Small-Bay Industrial · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: industrial complex. AI estimate from public imagery. In recent public imagery (2026-06), the building appears serviceable with visible wear. AI estimate from public imagery; may be outdated.

One of 1,229 reachable small-bay industrial buildings in Seattle. Larger than 79% of small-bay industrial buildings in Seattle (median 14,469 SF), derived from assessor records.

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Building size
35,160 SF, King County Assessor
Lot size
115,870 SF, King County Assessor
Year built
1958, King County Assessor
Stories
2, King County Assessor
Buildings on parcel
3, King County Assessor
Predominant use
Light Manufacturing, King County Assessor
Assessed value
$7,273,200, per the King County Assessor (not a market appraisal)
Assessed value per building SF
$206.86/SF, derived from assessor records
Lot coverage
30%, derived from assessor records
Vintage
1950s vintage
Zoning
MML U/85, King County
County use code
Industrial(Heavy)
Parking (observed)
surface lot, AI estimate from public imagery
Frontage (observed)
interior, AI estimate from public imagery

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: $11,091,639 (estimated market value), with a likely range of $7,789,009 to $12,284,001 (half of recent verified sales in this segment landed inside that range). Based on 86 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

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

Value over time

$2.38M$4.76M$7.14M$9.52M201120142017202020232026County 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 $2,636,600 (2011) to $7,273,200 (2026), up 176% over 15 years, per county tax rolls. The 2026 roll splits $7,273,200 into $6,662,500 land and $610,700 improvements.

Taxes