18911 North Creek Pkwy, Bothell, WA 98011

Office · Bothell · Seattle-Bellevue metro, WA

Imagery suggests: mid-rise 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 AI estimate from public imagery; may be outdated.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 55 reachable office buildings in Bothell. Larger than 98% of office buildings in Bothell (median 17,506 SF), derived from assessor records.

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Building size: 200,096 SF, King County Assessor
Lot size: 553,647 SF, King County Assessor
Year built: 1990, King County Assessor
Stories: 3, King County Assessor
Buildings on parcel: 2, King County Assessor
Predominant use: Office Bldg North- #19015, King County Assessor
Assessed value: $31,180,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $155.83/SF, derived from assessor records
Lot coverage: 36%, derived from assessor records
Vintage: 1990s vintage
Zoning: R-AC, OP, CB, LI, 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.

19119 North Creek Pkwy, Bothell · 0.1 mi · 31,166 SF · built 1991 · assessed $231.60/SF
19125 North Creek Pkwy, Bothell · 0.1 mi · 31,116 SF · built 1988 · assessed $195.51/SF
19515 North Creek Pkwy, Bothell · 0.3 mi · 53,722 SF · built 1989 · assessed $163.69/SF
11913 NE 195th St, Bothell · 0.3 mi · 20,895 SF · built 1991 · assessed $245.92/SF
18701 120th Ave NE, Bothell · 0.4 mi · 32,200 SF · built 1996 · assessed $247.38/SF
18807 Beardslee Blvd, Bothell · 0.4 mi · 98,236 SF · built 2007 · assessed $125.11/SF

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Sale history and market context

MakeMe Estimate: $47,391,661 (estimated market value), with a likely range of $46,150,180 to $62,617,444 (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.

Last sold: 2017-06-02 for $35,497,500 (recorded arm's-length sale).

Current ownership dates to 2017 (about 9 years) per recorded transfers.

2017-06-02: $35,497,500 from Bre Wa Office Owner LLC to MRM North Creek LLC, rec. 20170602001369

2015-07-15: $35,011,288 from Arden Realty LP to Bre Wa Office Owner LLC, rec. 20150723000967

2007-08-09: $50,500,000 from Carr NP Properties LLC to Arden Realty Limited Partnership, rec. 20070821002065

2006-07-13: transfer from Carramerica Realty Operating Partnership L P to Carr NP Properties LLC (non-market transfer), rec. 20060816001470

2005-12-22: $45,345,000 from Allstate Insurance Company to Carramerica Realty Operating Partnership L P, rec. 20060103002903

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 $32,887,000 (2011) to $31,180,000 (2026), down 5% over 15 years, per county tax rolls. The 2026 roll splits $31,180,000 into $19,377,600 land and $11,802,400 improvements.

Zoning: R-AC, OP, CB, LI (per King County)

Lot: 553,647 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 200,096 SF (county building sections)

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

Permit history

2025-11-07: Remodel, declared value $216,053, permit BNR2025-41297

2025-09-11: Remodel, declared value $700,000, permit BNR2025-40898

2024-03-08: Remodel, declared value $1,400,000 (Screened), permit BNR2024-36489

2024-02-07: Remodel, declared value $116,780 (Screened), permit BNR2024-36389

2022-09-22: Remodel, declared value $44,000 (Screened), permit BNR2022-32402

2019-12-06: Remodel, declared value $504,000 (Screened), permit BNR2019-23746

2019-04-24: Remodel, declared value $121,275 (Screened), permit BNR2019-22112

2018-12-13: Remodel, declared value $465,665 (Screened), permit BNR2018-20794

2018-02-23: Remodel, declared value $750,000 (Screened), permit BNR2017-17919

2017-12-04: Remodel, declared value $200,000 (Screened), permit BNR2017-17345

Source: King County permit records (newest first).