31602 NE 40th St, Carnation, WA 98014

Multifamily · Carnation · Seattle-Bellevue metro, WA

One of 14 reachable multifamily buildings in Carnation. Larger than 86% of multifamily buildings in Carnation (median 3,936 SF), derived from assessor records.

Usable building area
10,524 SF, King County Assessor
Lot size
95,396 SF, King County Assessor
Year built
1991, King County Assessor
Stories
2, King County Assessor
Predominant use
Apartment, King County Assessor
Units
13, King County Assessor
Assessed value
$2,458,000, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$233.56/SF, derived from assessor records
Usable area / lot
0.11, derived from assessor records
Vintage
1990s vintage
Zoning
R24, King County
County use code
Apartment

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: $2.62M (estimated market value), with a likely range of $2.33M to $2.99M (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. About $202K per unit at the midpoint (13 units).

lower confidence: 0 comparable sales within 3 miles; nearest 10.8 mi. Recent sale check: this building sold for $1,950,000 in 2026; the estimate is about 34% apart. Treat the recorded trade as strong evidence alongside the model. Comparable-sale caveat: the estimate is 48% below the $481.78/SF median of the shown comparable sales.

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: 2026-03-20 for $1,950,000 (recorded arm's-length sale).

Current ownership dates to 2026 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$3M$4M201120142017202020232026Last sold $1.95M · 2026$2.62M$2.46MCounty assessed valueMakeMe Estimate rangeRecorded sale

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 $1,175,000 (2011) to $2,458,000 (2026), up 109% over 15 years, per county tax rolls. The 2026 roll splits $2,458,000 into $1,192,400 land and $1,265,600 improvements.

Taxes