3050 228th Ave SE, Sammamish, WA 98075

Retail · Sammamish · Seattle-Bellevue metro, WA

One of 36 reachable retail buildings in Sammamish. Larger than 3% of retail buildings in Sammamish (median 7,168 SF), derived from assessor records.

Usable building area
2,311 SF, King County Assessor
Lot size
29,401 SF, King County Assessor
Year built
1998, King County Assessor
Stories
1, King County Assessor
Predominant use
Car Wash, King County Assessor
Assessed value
$1,563,900, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$676.72/SF, derived from assessor records
Usable area / lot
0.08, derived from assessor records
Vintage
1990s vintage
Zoning
CB, King County
County use code
Conv Store with Gas

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: $2.8M (estimated market value), with a likely range of $2M to $3.51M (half of recent verified sales in this segment landed inside that range). Based on 8 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 4.7 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.

Last sold: 2004-07-20 for $1,261,705 (recorded arm's-length sale).

Current ownership dates to 2004 (about 22 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$2M$4M$6M201120142017202020232026$2.8M$1.56MCounty 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 $1,533,200 (2011) to $1,563,900 (2026), up 2% over 15 years, per county tax rolls. The 2026 roll splits $1,563,900 into $1,029,000 land and $534,900 improvements.

Taxes

Permit history

Source: King County permit records (newest first).