2535 S 320th St, Federal Way, WA 98003

Retail · Federal Way · Seattle-Bellevue metro, WA

One of 245 reachable retail buildings in Federal Way. Larger than 15% of retail buildings in Federal Way (median 7,225 SF), derived from assessor records.

Usable building area
2,778 SF, King County Assessor
Lot size
41,520 SF, King County Assessor
Year built
1995, King County Assessor
Stories
1, King County Assessor
Buildings on parcel
2, King County Assessor
Predominant use
Conv Store, King County Assessor
Assessed value
$3,130,500, per the King County Assessor (not a market appraisal)
Assessed value per usable SF
$1,127/SF, derived from assessor records
Usable area / lot
0.07, derived from assessor records
Vintage
1990s vintage
Zoning
CC, King County
County use code
Conv Store with Gas

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: $3.4M (estimated market value), with a likely range of $2.43M to $4.27M (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.

lower confidence: 2 comparable sales within 3 miles; nearest 1.6 mi. This property type carries wider measured error; treat the estimate as a starting point. Comparable-sale caveat: the estimate is 79% above the $682.48/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.

Market context: Retail in Federal Way

median verified sale $361.69/SF over the trailing 24 months; 6 sales in the last 12 months and 10 in 24 (newest verified sale 2026-04); the middle 80% of recent sales traded at 0.70x to 1.41x their county assessed value, median 0.99x (10 sales with usable county values).

  • 2022: $389.61/SF median (5 sales)
  • 2024: $355.57/SF median (4 sales)

This estimate sits at 1.08x county assessed value, the 70th percentile of those recent sale premiums.

Computed from 246 verified arm's-length sales in King County public records (10 in the trailing 24 months). Free public records. Not an appraisal.

Last sold: 2015-05-21 for $1,854,000 (recorded arm's-length sale).

Current ownership dates to 2015 (about 11 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$2M$4M$6M201120142017202020232026Last sold $1.85M · 2015$3.4M$3.13MCounty 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 $1,551,500 (2011) to $3,130,500 (2026), up 102% over 15 years, per county tax rolls. The 2026 roll splits $3,130,500 into $2,076,000 land and $1,054,500 improvements.

Taxes

Permit history

Source: King County permit records (newest first).