23324 Maple Valley Black Diamond Rd SE, Maple Valley, WA 98038

Retail · Maple Valley · Seattle-Bellevue metro, WA

One of 52 reachable retail buildings in Maple Valley. Larger than 23% of retail buildings in Maple Valley (median 6,230 SF), derived from assessor records.

Usable building area
2,738 SF, King County Assessor
Lot size
30,527 SF, King County Assessor
Year built
1999, King County Assessor
Stories
1, King County Assessor
Buildings on parcel
2, King County Assessor
Predominant use
Conv Store With Gas, King County Assessor
Assessed value
$1,361,500, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$497.26/SF, derived from assessor records
Usable area / lot
0.09, 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: $2.03M (estimated market value), with a likely range of $1.45M to $2.55M (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 8.5 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.

Current ownership dates to 2000 (about 26 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$1M$2M$3M201120142017202020232026$2.03M$1.36MCounty 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. Not an appraisal. How this estimate works.

Land, site, and value history

Assessed value moved from $1,040,000 (2011) to $1,361,500 (2026), up 31% over 15 years, per county tax rolls. The 2026 roll splits $1,361,500 into $610,500 land and $751,000 improvements.

Taxes

Permit history

Source: King County permit records (newest first).