21317 SE 348th St, Auburn, WA 98092

Commercial · Auburn · Seattle-Bellevue metro, WA

One of 197 reachable commercial buildings in Auburn. Larger than 26% of commercial buildings in Auburn (median 21,916 SF), derived from assessor records.

Usable building area
4,616 SF, King County Assessor
Lot size
199,069 SF, King County Assessor
Year built
2016, King County Assessor
Stories
1, King County Assessor
Buildings on parcel
2, King County Assessor
Predominant use
Sfr, King County Assessor
Assessed value
$682,900, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$147.94/SF, derived from assessor records
Usable area / lot
0.02, derived from assessor records
Vintage
2010s vintage
Zoning
RA-10, King County
County use code
Reserve/Wilderness Area

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: $983K (estimated market value), with a likely range of $817K to $1.19M (half of recent verified sales in this segment landed inside that range). Based on 6 verified arm's-length comparable sales (through 2026-06-01). Not an appraisal. How this estimate works.

lower confidence: 1 comparable sale within 3 miles; nearest 2.3 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 Auburn

median verified sale $263.45/SF over the trailing 24 months; 5 sales in the last 12 months and 8 in 24 (newest verified sale 2025-12).

  • 2021: $325.35/SF median (4 sales)
  • 2025: $263.45/SF median (4 sales)

Computed from 109 verified arm's-length sales in King County public records (8 in the trailing 24 months). Free public records. Not an appraisal.

Last sold: 1998-07-07 for $180,000 (recorded arm's-length sale).

Current ownership dates to 1998 (about 28 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$500K$1M$1.5M201120142017202020232026$983K$683KCounty assessed valueMakeMe Estimate range

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 $283,000 (2011) to $682,900 (2026), up 141% over 15 years, per county tax rolls. The 2026 roll splits $682,900 into $248,800 land and $434,100 improvements.

Taxes

Permit history

Source: King County permit records (newest first).