609 SW 150th St, Burien, WA 98166
Office · Burien · Seattle-Bellevue metro, WA
One of 141 reachable office buildings in Burien. Larger than 78% of office buildings in Burien (median 3,748 SF), derived from assessor records.
- Usable building area
- 7,740 SF, King County Assessor
- Lot size
- 29,700 SF, King County Assessor
- Year built
- 1965, King County Assessor
- Stories
- 1, King County Assessor
- Predominant use
- Post Office/Post Service, King County Assessor
- Assessed value
- $1,428,800, per the King County Assessor (not a market appraisal)
- Assessed value per usable SF
- $184.60/SF, derived from assessor records
- Usable area / lot
- 0.26, derived from assessor records
- Vintage
- 1960s vintage
- Zoning
- MU-DT, King County
- County use code
- Post Office/Post Service
Nearby comparable buildings
Same building type, by distance. Assessor facts only; not an opinion of value.
- 620 SW 150th St, Burien · 0 mi · 4,251 SF · built 1958 · assessed $247/SF
- 612 SW 152nd St, Burien · 0.1 mi · 4,805 SF · built 1950 · assessed $248.30/SF
- 610 SW 152nd St, Burien · 0.1 mi · 3,720 SF · built 1941 · assessed $291.34/SF
- 15100 8th Ave SW, Burien · 0.1 mi · 10,534 SF · built 1948 · assessed $219.72/SF
- 601 SW 152nd St, Burien · 0.1 mi · 5,400 SF · built 1955 · assessed $204.93/SF
- 655 SW 152nd St, Burien · 0.1 mi · 13,732 SF · built 1949 · assessed $229.10/SF
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Sale history and market context
MakeMe Estimate: $1.84M (estimated market value), with a likely range of $1.62M to $2.12M (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 0.2 mi. This property type carries wider measured error; treat the estimate as a starting point.
Comparable sales used as evidence
- 15220 6th Ave SW, Burien: $785,000 (2024-12), 3,081 SF, $254.79/SF, built 1955, 0.2 mi away
- 133 SW 158th St, Burien: $1,575,000 (2024-07), 5,208 SF, $302.42/SF, built 1978, 0.6 mi away
- 1616 SW 100th St, Burien: $1,500,000 (2025-05), 7,332 SF, $204.58/SF, built 1963, 3.2 mi away
- 19518 International Blvd, Seatac: $2,250,000 (2024-07), 13,386 SF, $168.09/SF, built 1983, 3.6 mi away (different city)
- 6000 Southcenter Blvd, Tukwila: $1,778,657 (2024-12), 7,510 SF, $236.84/SF, built 1980, 4 mi away (different city)
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: Office in Burien
median verified sale $302.42/SF over the trailing 24 months; 4 sales in the last 12 months and 6 in 24 (newest verified sale 2026-04).
Computed from 144 verified arm's-length sales in King County public records (6 in the trailing 24 months). Free public records. Not an appraisal.
Ownership tenure is not asserted for this parcel: the most recent recorded transfer is a non-market conveyance.
- 4 administrative transfers (no consideration), 1987 to 2022
Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.
Land, site, and value history
Assessed value moved from $684,100 (2011) to $1,428,800 (2026), up 109% over 15 years, per county tax rolls. The 2026 roll splits $1,428,800 into $891,000 land and $537,800 improvements.
- Zoning: MU-DT (per King County)
- Lot: 29,700 sq ft
- Water: Water District (per King County)
- Sewer: Public (per King County)
- Access: Public
- Street surface: Paved
- Floor and use mix: Post Office - Branch 7,740 SF (county building sections)
- County districts report (schools, fire, sewer, council; on kingcounty.gov)