11900 NE 1st St, Bellevue, WA 98005

Office · Bellevue · 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 AI estimate from public imagery; may be outdated.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 308 reachable office buildings in Bellevue. Larger than 81% of office buildings in Bellevue (median 23,608 SF), derived from assessor records.

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Building size: 102,786 SF, King County Assessor
Lot size: 163,350 SF, King County Assessor
Year built: 1990, King County Assessor
Stories: 3, King County Assessor
Predominant use: Office, King County Assessor
Assessed value: $17,359,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $168.88/SF, derived from assessor records
Lot coverage: 63%, derived from assessor records
Vintage: 1990s vintage
Zoning: MUR-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

Nearby comparable buildings

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

11747 NE 1st St, Bellevue · 0.1 mi · 28,616 SF · built 1988 · assessed $210.48/SF
11811 NE 1st St, Bellevue · 0.1 mi · 51,750 SF · built 1982 · assessed $195.96/SF
11911 NE 1st St, Bellevue · 0.1 mi · 57,550 SF · built 1982 · assessed $189.94/SF
150 120th Ave NE, Bellevue · 0.1 mi · 73,374 SF · built 1989 · assessed $203.25/SF
103 118th Ave SE, Bellevue · 0.1 mi · 17,504 SF · built 1998 · assessed $125.05/SF
12011 NE 1st St, Bellevue · 0.1 mi · 58,300 SF · built 1984

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Sale history and market context

MakeMe Estimate: $19,880,690 (estimated market value), with a likely range of $17,967,216 to $25,903,598 (half of recent verified sales in this segment landed inside that range). Based on 12 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Last sold: 2009-11-19 for $8,492,869 (recorded arm's-length sale).

Current ownership dates to 2009 (about 17 years) per recorded transfers.

2009-11-19: $8,492,869 from Teachers Insurance & Annuity Association of Americ… to Eos at Ridgewood Corporate Center I LLC, rec. 20091119001038

1997-12-17: transfer from WRC Properties INC to Teachers Insurance & Annuity Assoc (part of a 5-parcel sale; price is the whole deal), rec. 199801020324

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 $206,100 (2011) to $17,359,000 (2026), up 8323% over 15 years, per county tax rolls. The 2026 roll splits $17,359,000 into $16,335,000 land and $1,024,000 improvements.

Zoning: MUR-M (per King County)

Lot: 163,350 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 77,511 SF; Basement, Parking 25,275 SF (county building sections)

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

Permit history

2021-03-15: Remodel, declared value $169,000 (Complete), permit 21 101600 BZ

2020-05-15: Remodel, declared value $1,200,000 (Complete), permit 20 105037 BZ

2019-10-05: Remodel, declared value $90,000 (Complete), permit 19 120186 BZ

2019-10-05: Remodel, declared value $40,000 (Complete), permit 19 120187 BZ

2013-11-05: Remodel, declared value $58,000 (Complete), permit 13130696

2013-10-21: Remodel, declared value $840,000 (Complete), permit 13123397

2013-09-17: Demolition (Complete), permit 13124186

2013-05-03: Remodel, declared value $120,000 (Complete), permit 13110091

2008-03-13: Remodel, declared value $40,000 (Complete), permit 08102788

2007-11-21: Remodel, declared value $100,000 (Complete), permit 07131068

Source: King County permit records (newest first).