1201 Westlake Ave N, Seattle, WA 98109

Multifamily · Seattle · Seattle-Bellevue metro, WA

One of 6,731 reachable multifamily buildings in Seattle. Larger than 99% of multifamily buildings in Seattle (median 6,744 SF), derived from assessor records.

Usable building area
235,571 SF, King County Assessor
County gross area
393,641 SF, King County Assessor
Excluded area
158,070 SF outside primary usable area
Lot size
24,900 SF, King County Assessor
Year built
2016, King County Assessor
Stories
6, King County Assessor
Predominant use
Apartment(mixed Use), King County Assessor
Units
385, King County Assessor
Assessed value
$80,019,300, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$339.68/SF, derived from assessor records
Usable area / lot
9.46, derived from assessor records
Vintage
2010s vintage
Zoning
SM-SLU 100/65-145, King County
County use code
Apartment(Mixed Use)

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: $77.7M (estimated market value), with a likely range of $74.2M to $84.6M (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 (385 units).

moderate confidence: 10 comparable sales within 3 miles; nearest 0.3 mi. Comparable-sale caveat: the estimate is 37% below the $524.32/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. The strongest 5 of 10 nearby verified sales are shown. Buyer and seller names are withheld. Get this data via API.

Market context: Multifamily in Seattle

median verified sale $367.78/SF over the trailing 24 months; median $272,333 per unit; 157 sales in the last 12 months and 300 in 24 (newest verified sale 2026-05); the middle 80% of recent sales traded at 0.78x to 1.25x their county assessed value, median 1.00x (300 sales with usable county values).

  • 2022: $427.16/SF median (207 sales)
  • 2023: $403.69/SF median (125 sales)
  • 2024: $364.48/SF median (126 sales)
  • 2025: $376.55/SF median (168 sales)
  • 2026 YTD: $367.11/SF median (53 sales)

This estimate sits at 0.97x county assessed value, the 36th percentile of those recent sale premiums.

Computed from 6,951 verified arm's-length sales in King County public records (300 in the trailing 24 months). Free public records. Not an appraisal.

Current ownership dates to 2017 (about 9 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$50M$100M$150M$200M20182020202220242026$77.7M$80MCounty 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 $98,280,900 (2018) to $80,019,300 (2026), down 19% over 8 years, per county tax rolls. The 2026 roll splits $80,019,300 into $0 land and $80,019,300 improvements.

Taxes

Permit history

Source: King County permit records (newest first).