15560 Westminster Way N, Shoreline, WA 98133

Multifamily · Shoreline · Seattle-Bellevue metro, WA

One of 196 reachable multifamily buildings in Shoreline. Larger than 97% of multifamily buildings in Shoreline (median 12,897 SF), derived from assessor records.

Usable building area
240,021 SF, King County Assessor
County gross area
414,060 SF, King County Assessor
Excluded area
174,039 SF outside primary usable area
Lot size
88,268 SF, King County Assessor
Year built
2020, King County Assessor
Stories
5, King County Assessor
Predominant use
330 Apt Units, King County Assessor
Units
330, King County Assessor
Assessed value
$101,378,900, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$422.38/SF, derived from assessor records
Usable area / lot
2.72, derived from assessor records
Vintage
2020s vintage
Zoning
MB, 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: $98.7M (estimated market value), with a likely range of $94.4M to $108M (half of recent verified sales in this segment landed inside that range). Based on 6 verified arm's-length comparable sales (through 2026-06-01). Not an appraisal. How this estimate works. About $299K per unit at the midpoint (330 units).

lower confidence: 0 comparable sales within 3 miles; nearest 4.7 mi. Recent sale check: this building sold for $112,200,000 in 2025; the estimate is about 12% apart. Treat the recorded trade as strong evidence alongside the model.

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.

Market context: Multifamily in Shoreline

median verified sale $336.99/SF over the trailing 24 months; median $332,500 per unit; 5 sales in the last 12 months and 14 in 24 (newest verified sale 2026-04); the middle 80% of recent sales traded at 0.91x to 1.35x their county assessed value, median 1.11x (14 sales with usable county values).

  • 2022: $373.69/SF median (6 sales)
  • 2024: $336.99/SF median (8 sales)
  • 2025: $394.37/SF median (5 sales)

This estimate sits at 0.97x county assessed value, the 14th percentile of those recent sale premiums.

Computed from 224 verified arm's-length sales in King County public records (14 in the trailing 24 months). Free public records. Not an appraisal.

Last sold: 2025-12-09 for $112,200,000 (recorded arm's-length sale).

Current ownership dates to 2025 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$50M$100M$150M20222023202420252026Last sold $112M · 2025$98.7M$101MCounty 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 $30,528,100 (2022) to $101,378,900 (2026), up 232% over 4 years, per county tax rolls. The 2026 roll splits $101,378,900 into $0 land and $101,378,900 improvements.

Taxes

Permit history

Source: King County permit records (newest first).