500 Wall St, Seattle, WA 98121

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
256,526 SF, King County Assessor
County gross area
393,841 SF, King County Assessor
Excluded area
137,315 SF outside primary usable area
Lot size
55,680 SF, King County Assessor
Year built
1949, King County Assessor
Stories
18, King County Assessor
Predominant use
Apartment(mixed Use), King County Assessor
Units
371, King County Assessor
Assessed value
$102,700,000, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$400.35/SF, derived from assessor records
Usable area / lot
4.61, derived from assessor records
Vintage
1940s vintage
Zoning
DMR/R 145/65, 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: $88.4M (estimated market value), with a likely range of $84.5M to $96.3M (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 $238K per unit at the midpoint (371 units).

moderate confidence: 10 comparable sales within 3 miles; nearest 0.1 mi. Recent sale check: this building sold for $102,700,000 in 2025; the estimate is about 14% apart. Treat the recorded trade as strong evidence alongside the model. Comparable-sale caveat: the estimate is 34% 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 0.86x county assessed value, the 17th 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.

Last sold: 2025-04-14 for $102,700,000 (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$100M$200M$300M201120142017202020232026$93.9MLast sold $103M · 2025$88.4M$103MCounty 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 $54,500,000 (2011) to $102,700,000 (2026), up 88% over 15 years, per county tax rolls. The 2026 roll splits $102,700,000 into $36,192,000 land and $66,508,000 improvements.

Taxes

Permit history

Source: King County permit records (newest first).