27232 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 44% of retail buildings in Maple Valley (median 6,230 SF), derived from assessor records.

Usable building area
4,850 SF, King County Assessor
Lot size
46,288 SF, King County Assessor
Year built
2025, King County Assessor
Stories
1, King County Assessor
Predominant use
Conv Store With Gas, King County Assessor
Assessed value
$1,604,100, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$330.74/SF, derived from assessor records
Usable area / lot
0.1, derived from assessor records
Vintage
2020s 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: $2.65M (estimated market value), with a likely range of $1.9M to $3.34M (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 3.1 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.

Value over time

$0$1M$2M$3M$4M202420252026$2.65M$1.6MCounty 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 $507,800 (2024) to $1,604,100 (2026), up 216% over 2 years, per county tax rolls. The 2026 roll splits $1,604,100 into $879,400 land and $724,700 improvements.

Taxes

Permit history

Source: King County permit records (newest first).