15020 5th Ave SW, Burien, WA 98166

Commercial · Burien · Seattle-Bellevue metro, WA

Imagery suggests: street-level retail with residential, 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 AI estimate from public imagery; may be outdated.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 102 reachable commercial buildings in Burien. Larger than 95% of commercial buildings in Burien (median 11,760 SF), derived from assessor records.

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Building size: 166,321 SF, King County Assessor
Lot size: 52,837 SF, King County Assessor
Year built: 2015, King County Assessor
Stories: 4, King County Assessor
Predominant use: Il, Al, Mc, King County Assessor
Units: 126, King County Assessor
Assessed value: $36,213,100, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $217.73/SF, derived from assessor records
Lot coverage: 315%, derived from assessor records
Vintage: 2010s vintage
Zoning: MU-DT, King County
County use code: Retirement Facility
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): street only, AI estimate from public imagery
Frontage (observed): mid block, AI estimate from public imagery

Nearby comparable buildings

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

601 SW 149th St, Burien · 0.1 mi · 23,886 SF · built 1979
209 SW 148th St, Burien · 0.2 mi · 51,494 SF
634 SW 149th St, Burien · 0.2 mi · 4,050 SF · built 1980 · assessed $240.67/SF
421 SW 146th St, Burien · 0.2 mi · 1,430 SF · built 1942
14700 6th Ave SW, Burien · 0.2 mi · 20,435 SF · built 1970
819 SW 152nd St, Burien · 0.3 mi · 7,709 SF · built 2017 · assessed $248.53/SF

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Sale history and market context

MakeMe Estimate: $36,142,770 (estimated market value), with a likely range of $30,627,308 to $43,729,309 (half of recent verified sales in this segment landed inside that range). Based on 33 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 2013 (about 13 years) per recorded transfers.

2013-09-26: $1,544,421 from Recp/Up Burien II LP to Merrill/Legacy at Burien SL LLC (part of a 2-parcel sale; price is the whole deal), rec. 20130926002006

2013-09-26: transfer from Private party to Merrill/Legacy at Burien (sl) LLC (part of a 2-parcel sale; price is the whole deal), rec. 20140107000961

2007-12-21: $2,882,393 from Burien City of to Recp/Up Burien II LP (part of a 3-parcel sale; price is the whole deal), rec. 20071221000276

1993-09-01: $700,000 from Seattle First National Bank to Burien City of, rec. 199309031485

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 $1,602,000 (2010) to $36,213,100 (2026), up 2160% over 16 years, per county tax rolls. The 2026 roll splits $36,213,100 into $1,954,900 land and $34,258,200 improvements.

Zoning: MU-DT (per King County)

Lot: 52,837 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Home For The Elderly 134,636 SF; Basement, Parking 31,685 SF (county building sections)

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

Permit history

2023-01-12: Electrical, declared value $10,000 (Screened), permit ELE-23-0115

2020-10-14: Other, declared value $12,500 (Screened), permit MEC-20-1901

2020-08-21: Other, declared value $2,330 (Screened), permit MEC-20-1597

2016-03-28: Other, declared value $18,500 (Complete), permit FPS-16-0546

2016-02-18: Other, declared value $100,000 (Complete), permit ELE-16-0376

2016-02-09: Other, declared value $306,000 (Complete), permit FPS-15-2414

2016-01-26: Other, declared value $26,137 (Complete), permit ELE-16-0185

2016-01-19: Other, declared value $50,000 (Complete), permit FPS-15-2320

2016-01-19: Other, declared value $50,000 (Complete), permit ELE-15-2321

2015-05-18: Building, New, declared value $20,091,039 (Complete), permit BLD-14-1928

Source: King County permit records (newest first).