3405 S 176th St, Seatac, WA 98188

Multifamily · Seatac · Seattle-Bellevue metro, WA

Imagery suggests: garden apartment complex, appears multi-tenant. AI estimate from public imagery. In recent public imagery (2026-06), the building appears well maintained. AI estimate from public imagery; may be outdated.

One of 72 reachable multifamily buildings in Seatac. Larger than 57% of multifamily buildings in Seatac (median 23,400 SF), derived from assessor records.

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Building size: 40,904 SF, King County Assessor
Lot size: 101,930 SF, King County Assessor
Year built: 1968, King County Assessor
Stories: 2, King County Assessor
Predominant use: Sky Gardens Apts, King County Assessor
Units: 62, King County Assessor
Assessed value: $9,042,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $221.05/SF, derived from assessor records
Lot coverage: 40%, derived from assessor records
Vintage: 1960s vintage
Zoning: URH, King County
County use code: Apartment
Parking (observed): surface lot, AI estimate from public imagery

Nearby comparable buildings

Same building type, by distance. Assessor facts only; not an opinion of value.

3251 S 176th St, Seatac · 0 mi · 42,104 SF · built 1966 · assessed $199.15/SF
3351 S 175th St, Seatac · 0.1 mi · 83,715 SF · built 2007 · assessed $168.05/SF
3508 S 180th St, Seatac · 0.1 mi · 108,446 SF · built 1968 · assessed $215.56/SF
3200 S 176th St, Seatac · 0.1 mi · 92,560 SF · built 1966 · assessed $204.27/SF
17806 32nd Ave S, Seatac · 0.1 mi · 40,245 SF · built 1962 · assessed $224.92/SF
3602 S 180th St, Seatac · 0.1 mi · 117,750 SF · built 1977 · assessed $258.83/SF

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Sale history and market context

MakeMe Estimate: $9,060,879 (estimated market value), with a likely range of $8,043,228 to $10,335,943 (half of recent verified sales in this segment landed inside that range). Based on 667 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works. About $146K per unit at the midpoint (62 units).

Last sold: 2007-06-07 for $3,940,700 (recorded arm's-length sale).

Current ownership dates to 2016 (about 10 years) per recorded transfers.

2016-07-28: transfer from Sky Garden Park Villa LLC to Private party (non-market transfer), rec. 20160728001926

2007-06-07: $3,940,700 from Seatac Gardens LLC to Sky Garden Park Villa LLC, rec. 20070612003064

1998-04-13: $2,069,000 from Private party to Private party (non-market transfer), rec. 199804152436

2 administrative transfers (no consideration), 1996 to 1998

Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.

Value over time

Solid line: county appraised value per King County tax rolls. Shaded range: our modeled estimate for each year, built from recorded arm's-length sales in the building's segment; years without enough sales stay unmodeled. Dots: recorded arm's-length sales. Not an appraisal. How this estimate works.

Land, site, and value history

Assessed value moved from $2,927,000 (2011) to $9,042,000 (2026), up 209% over 15 years, per county tax rolls. The 2026 roll splits $9,042,000 into $2,828,500 land and $6,213,500 improvements.

Zoning: URH (per King County)

Lot: 101,930 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Multiple Residence (Low Rise) 40,904 SF (county building sections)

County districts report (schools, fire, sewer, council; on kingcounty.gov)