11811 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 AI estimate from public imagery; may be outdated.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 69% of office buildings in Bellevue (median 23,608 SF), derived from assessor records.

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Building size: 51,750 SF, King County Assessor
Lot size: 103,673 SF, King County Assessor
Year built: 1982, King County Assessor
Stories: 3, King County Assessor
Predominant use: Office Bldg, King County Assessor
Assessed value: $10,141,100, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $195.96/SF, derived from assessor records
Lot coverage: 50%, derived from assessor records
Vintage: 1980s vintage
Zoning: MUR-M, King County
County use code: Office Building
Construction (observed): steel glass, AI estimate from public imagery
Parking (observed): surface lot, AI estimate from public imagery
Frontage (observed): interior, 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 mi · 28,616 SF · built 1988 · assessed $210.48/SF
11911 NE 1st St, Bellevue · 0.1 mi · 57,550 SF · built 1982 · assessed $189.94/SF
11900 NE 1st St, Bellevue · 0.1 mi · 102,786 SF · built 1990 · assessed $168.88/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
150 120th Ave NE, Bellevue · 0.1 mi · 73,374 SF · built 1989 · assessed $203.25/SF

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Sale history and market context

MakeMe Estimate: $15,207,240 (estimated market value), with a likely range of $14,808,868 to $20,092,954 (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 2005 (about 21 years) per recorded transfers.

2005-04-25: $15,800,000 from Eastridge Corporate Center 00 Aw LLC to Eastridge Partners LLC (part of a 2-parcel sale; price is the whole deal), rec. 20050425000473

2000-12-29: $16,265,000 from Principal Life Ins CO to Eastridge Corporate Center Oo LLC (part of a 2-parcel sale; price is the whole deal), rec. 20001229001397

1994-10-05: $6,855,000 from Tahc Number Four INC to Private party (part of a 2-parcel sale; price is the whole deal), rec. 199410051319

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 $6,684,400 (2011) to $10,141,100 (2026), up 52% over 15 years, per county tax rolls. The 2026 roll splits $10,141,100 into $9,330,500 land and $810,600 improvements.

Zoning: MUR-M (per King County)

Lot: 103,673 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 36,115 SF; Basement, Unfinished 9,417 SF; Parking Structure 6,218 SF (county building sections)

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