3515 S 146th St, Tukwila, WA 98168

Multifamily · Tukwila · Seattle-Bellevue metro, WA

One of 102 reachable multifamily buildings in Tukwila. Larger than 71% of multifamily buildings in Tukwila (median 23,104 SF), derived from assessor records.

Usable building area
37,784 SF, King County Assessor
County gross area
39,168 SF, King County Assessor
Excluded area
1,384 SF outside primary usable area
Lot size
54,383 SF, King County Assessor
Year built
1970, King County Assessor
Stories
3, King County Assessor
Predominant use
48-Unit Mixed-Use Apt Complex, King County Assessor
Units
48, King County Assessor
Assessed value
$8,559,000, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$226.52/SF, derived from assessor records
Usable area / lot
0.69, derived from assessor records
Vintage
1970s vintage
Zoning
RC, 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: $8.18M (estimated market value), with a likely range of $7.28M to $9.35M (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 $170K per unit at the midpoint (48 units).

moderate confidence: 8 comparable sales within 3 miles; nearest 0.1 mi.

Comparable sales used as evidence

Recorded arm's-length sales of similar buildings nearby; nearer and more recent sales rank first. The strongest 5 of 8 nearby verified sales are shown. Buyer and seller names are withheld. Get this data via API.

Market context: Multifamily in Tukwila

median verified sale $236.34/SF over the trailing 24 months; median $196,667 per unit; 4 sales in the last 12 months and 5 in 24 (newest verified sale 2025-04).

  • 2022: $247.28/SF median (4 sales)
  • 2025 YTD: $293.53/SF median (4 sales)

Computed from 128 verified arm's-length sales in King County public records (5 in the trailing 24 months). Free public records. Not an appraisal.

Last sold: 2006-12-15 for $2,842,800 (recorded arm's-length sale).

Current ownership dates to 2006 (about 20 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$5M$10M$15M201120142017202020232026$8.18M$8.56MCounty 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 $2,625,000 (2011) to $8,559,000 (2026), up 226% over 15 years, per county tax rolls. The 2026 roll splits $8,559,000 into $1,604,200 land and $6,954,800 improvements.

Taxes