12700 Aurora Ave N, Seattle, WA 98133

Office · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: single-story office, 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 AI estimate from public imagery; may be outdated.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 957 reachable office buildings in Seattle. Larger than 30% of office buildings in Seattle (median 20,410 SF), derived from assessor records.

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Building size: 7,074 SF, King County Assessor
Lot size: 10,573 SF, King County Assessor
Year built: 1985, King County Assessor
Stories: 1, King County Assessor
Predominant use: Office Building, King County Assessor
Assessed value: $1,209,200, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $170.94/SF, derived from assessor records
Lot coverage: 67%, derived from assessor records
Vintage: 1980s vintage
Zoning: C1-75 (M), King County
County use code: Office Building
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): surface lot, 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.

1155 N 130th St, Seattle · 0.1 mi · 25,557 SF · built 1970
1530 N 115th St, Seattle · 0.7 mi · 41,757 SF · built 1974
1560 N 115th St, Seattle · 0.7 mi · 65,452 SF · built 1983
1536 N 115th St, Seattle · 0.7 mi · 63,909 SF · built 2005
1570 N 115th St, Seattle · 0.7 mi · 53,575 SF · built 2012
936 N 143rd St, Seattle · 0.8 mi · 2,560 SF · built 1969 · assessed $278.67/SF

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Sale history and market context

MakeMe Estimate: $1,774,581 (estimated market value), with a likely range of $1,728,093 to $2,344,710 (half of recent verified sales in this segment landed inside that range). Based on 185 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 2012 (about 14 years) per recorded transfers.

2012-10-10: $4,300,000 from Tritell LLC to Private party (part of a 2-parcel sale; price is the whole deal), rec. 20121017000585

2005-07-08: $4,225,000 from Western Properties INC to Tritell LLC (part of a 2-parcel sale; price is the whole deal), rec. 20050708001538

1986-03-20: transfer from Private party to Alpha International INC (part of a 2-parcel sale; price is the whole deal), rec. 198603250940

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 $870,400 (2013) to $1,209,200 (2026), up 39% over 13 years, per county tax rolls. The 2026 roll splits $1,209,200 into $581,900 land and $627,300 improvements.

Zoning: C1-75 (M) (per King County)

Lot: 10,573 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Open Office 4,965 SF; Basement, Office 2,109 SF (county building sections)

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

Permit history

2022-12-21: Electrical, declared value $79,460 (Complete), permit 6939587-RF

2014-06-26: Remodel, declared value $139,000 (Complete), permit 6394905

2008-05-21: Remodel, declared value $275,000 (Complete), permit 6177969

1998-05-08: Remodel, declared value $224,000 (Complete), permit 698867

Source: King County permit records (newest first).