5300 26th Ave NW, Seattle, WA 98107

Commercial · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: marine service facility. AI estimate from public imagery. In recent public imagery (2026-06), the building shows signs of deferred maintenance. AI estimate from public imagery; may be outdated.

One of 1,256 reachable commercial buildings in Seattle. Larger than 43% of commercial buildings in Seattle (median 13,352 SF), derived from assessor records.

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Building size
9,765 SF, King County Assessor
Lot size
85,924 SF, King County Assessor
Year built
1910, King County Assessor
Stories
1, King County Assessor
Buildings on parcel
4, King County Assessor
Predominant use
Ballard Oil Company, King County Assessor
Assessed value
$4,526,200, per the King County Assessor (not a market appraisal)
Assessed value per building SF
$463.51/SF, derived from assessor records
Lot coverage
11%, derived from assessor records
Vintage
pre-war vintage
Zoning
MML U/65, King County
County use code
Terminal(Marine)
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.

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Sale history and market context

MakeMe Estimate: $4,878,614 (estimated market value), with a likely range of $4,134,128 to $5,964,875 (half of recent verified sales in this segment landed inside that range). Based on 139 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 1989 (about 37 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

$2.2M$4.41M$6.61M$8.81M201120142017202020232026County 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 $2,179,900 (2011) to $4,526,200 (2026), up 108% over 15 years, per county tax rolls. The 2026 roll splits $4,526,200 into $4,359,700 land and $166,500 improvements.

Taxes