4034 S 166th St, Seatac, WA 98188
Commercial · Seatac · Seattle-Bellevue metro, WA
One of 74 reachable commercial buildings in Seatac. Larger than 8% of commercial buildings in Seatac (median 50,994 SF), derived from assessor records.
- Usable building area
- 3,780 SF, King County Assessor
- Lot size
- 25,395 SF, King County Assessor
- Year built
- 1983, King County Assessor
- Stories
- 1, King County Assessor
- Predominant use
- Group Home, King County Assessor
- Assessed value
- $733,600, per the King County Assessor (not a market appraisal)
- Assessed value per usable SF
- $194.07/SF, derived from assessor records
- Usable area / lot
- 0.15, derived from assessor records
- Vintage
- 1980s vintage
- Zoning
- NVH, King County
- County use code
- Group Home
Nearby comparable buildings
Same building type, by distance. Assessor facts only; not an opinion of value.
- 16424 Military Rd S, Seatac · 0.1 mi · 1,742 SF · built 1920 · assessed $270.72/SF
- 3730 S 166th St, Seatac · 0.2 mi · 6,459 SF · built 1956 · assessed $113.14/SF
- 16720 International Blvd, Seatac · 0.6 mi · 10,280 SF
- 17108 International Blvd, Seatac · 0.8 mi · 11,136 SF · built 1980 · assessed $256.96/SF
- 17850 Military Rd S, Seatac · 0.9 mi · 6,672 SF · built 1984
- 14831 Military Rd S, Seatac · 1.1 mi · 2,240 SF · built 1937 · assessed $485.31/SF
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Sale history and market context
MakeMe Estimate: $1.07M (estimated market value), with a likely range of $888K to $1.29M (half of recent verified sales in this segment landed inside that range). Based on 4 verified arm's-length comparable sales (through 2026-06-01). Not an appraisal. How this estimate works.
lower confidence: 0 comparable sales within 3 miles; nearest 5 mi. This property type carries wider measured error; treat the estimate as a starting point.
Comparable sales used as evidence
- 1014 Central Ave N, Kent: $1,000,000 (2024-12), 3,041 SF, $328.84/SF, built 1939, 5 mi away (different city)
- 3241 NE Sunset Blvd, Renton: $1,400,000 (2025-02), 2,550 SF, $549.02/SF, built 1983, 6 mi away (different city)
- 1409 Union Ave NE, Renton: $450,000 (2022-07), 1,474 SF, $305.29/SF, built 1957, 6.4 mi away (different city)
- 5200 Wilson Ave S, Seattle: $945,000 (2024-07), 2,399 SF, $393.91/SF, built 1969, 6.9 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.
Ownership tenure is not asserted for this parcel: the most recent recorded transfer is a non-market conveyance.
- 2013: transferred to City of Sea Tac, no consideration (2 recorded transfers, 2007 to 2013)
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 $321,600 (2011) to $733,600 (2026), up 128% over 15 years, per county tax rolls. The 2026 roll splits $733,600 into $292,000 land and $441,600 improvements.
- Zoning: NVH (per King County)
- Lot: 25,395 sq ft
- Water: Water District (per King County)
- Sewer: Public (per King County)
- Access: Public
- Floor and use mix: Rooming House 3,780 SF (county building sections)
- County districts report (schools, fire, sewer, council; on kingcounty.gov)