10700 Northup Way, Bellevue, WA 98004

Office · Bellevue · Seattle-Bellevue metro, WA

Imagery suggests: corporate 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 AI estimate from public imagery; may be outdated.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 79% of office buildings in Bellevue (median 23,608 SF), derived from assessor records.

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Building size: 97,200 SF, King County Assessor
Lot size: 144,381 SF, King County Assessor
Year built: 1981, King County Assessor
Stories: 2, King County Assessor
Predominant use: Office Bldg With Parking, King County Assessor
Assessed value: $18,548,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $190.82/SF, derived from assessor records
Lot coverage: 67%, derived from assessor records
Vintage: 1980s vintage
Zoning: O, 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

Nearby comparable buildings

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

10940 NE 33rd Pl, Bellevue · 0.2 mi · 68,182 SF · built 1981 · assessed $128.88/SF
11000 NE 33rd Pl, Bellevue · 0.2 mi · 101,223 SF · built 1986 · assessed $126.87/SF
3805 108th Ave NE, Bellevue · 0.2 mi · 12,515 SF · built 1980 · assessed $262.74/SF
3025 112th Ave NE, Bellevue · 0.3 mi · 100,483 SF · built 1982 · assessed $177.25/SF
11120 NE 33rd Pl, Bellevue · 0.3 mi · 95,974 SF · built 1988 · assessed $213.11/SF
3101 Northup Way, Bellevue · 0.3 mi · 44,419 SF · built 1979 · assessed $507.27/SF

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Sale history and market context

MakeMe Estimate: $21,407,669 (estimated market value), with a likely range of $19,347,226 to $27,893,179 (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: 2017-11-08 for $7,115,000 (recorded arm's-length sale).

Current ownership dates to 2018 (about 8 years) per recorded transfers.

2 administrative transfers (no consideration), 2018 to 2018

2017-11-08: $7,115,000 from Doane LP to Roter Investments LP, rec. 20171113000879

2017-11-08: $7,115,000 from Roter Investments LP to Building T LLC (non-market transfer), rec. 20171113000866

2016-09-15: $13,410,588 from Wa-10700 Building LLC to Roter Investments LP+Doane LP, rec. 20160915001506

4 administrative transfers (no consideration), 2006 to 2014

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 $10,068,500 (2011) to $18,548,000 (2026), up 84% over 15 years, per county tax rolls. The 2026 roll splits $18,548,000 into $7,796,500 land and $10,751,500 improvements.

Zoning: O (per King County)

Lot: 144,381 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 63,200 SF; Basement, Parking 34,000 SF (county building sections)

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

Permit history

2018-11-21: Remodel, declared value $250,000 (Screened), permit 18 129143 BZ

2018-08-03: Remodel, declared value $225,000 (Screened), permit 18 115707 BZ

2018-05-09: Remodel, declared value $150,000 (Complete), permit 18 111341 BZ

2018-05-07: Remodel, declared value $1,500,000 (Complete), permit 18 110017 BZ

2016-12-21: Remodel, declared value $175,000 (Complete), permit 16148359

2016-10-17: Remodel, declared value $1,114,000 (Complete), permit 16141333

2016-01-22: Remodel, declared value $350,000 (Complete), permit 15116653

2014-01-08: Remodel, declared value $850,000 (Complete), permit 13110085

Source: King County permit records (newest first).