3900 148th Ave NE, Redmond, WA 98052

Small-Bay Industrial · Redmond · Seattle-Bellevue metro, WA

One of 241 reachable small-bay industrial buildings in Redmond. Larger than 95% of small-bay industrial buildings in Redmond (median 43,526 SF), derived from assessor records.

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Building size: 566,654 SF, King County Assessor
Lot size: 305,230 SF, King County Assessor
Year built: 2000, King County Assessor
Stories: 3, King County Assessor
Buildings on parcel: 2, King County Assessor
Predominant use: Microsoft Building #118 (Studio E), King County Assessor
Assessed value: $113,348,600, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $200.03/SF, derived from assessor records
Lot coverage: 186%, derived from assessor records
Vintage: 2000s vintage
Zoning: OBAT, King County
County use code: High Tech/High Flex
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.

3850 148th Ave NE, Redmond · 0.1 mi · 565,150 SF · built 2000 · assessed $193.72/SF
4116 148th Ave NE, Redmond · 0.2 mi · 153,290 SF · built 1980 · assessed $177.75/SF
15120 NE 40th St, Redmond · 0.2 mi · 257,149 SF · built 1995 · assessed $278.56/SF
14820 NE 36th St, Redmond · 0.2 mi · 688,327 SF · built 2007 · assessed $140.18/SF
15220 NE 40th St, Redmond · 0.3 mi · 480,562 SF · built 2003 · assessed $139.83/SF
4400 148th Ave NE, Redmond · 0.3 mi · 97,258 SF · built 1978 · assessed $216.42/SF

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Sale history and market context

MakeMe Estimate: $145,159,856 (estimated market value), with a likely range of $112,197,494 to $146,611,455 (half of recent verified sales in this segment landed inside that range). Based on 81 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 2001 (about 25 years) per recorded transfers.

2003-06-18: transfer from Private party to Selco Service Corporation C/O Key Equipment Financ… (part of a 2-parcel sale; price is the whole deal), rec. 20030620002633

2001-12-19: $142,270,000 from Lakeridge Square Development LP to Private party (part of a 2-parcel sale; price is the whole deal), rec. 20011219000311

4 administrative transfers (no consideration), 1999 to 2000

1994-07-02: $7,500 from Private party to Gte Northwest INC (part of a 4-parcel sale; price is the whole deal), rec. 199407070000

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 $43,361,000 (2011) to $113,348,600 (2026), up 161% over 15 years, per county tax rolls. The 2026 roll splits $113,348,600 into $21,366,100 land and $91,982,500 improvements.

Zoning: OBAT (per King County)

Lot: 305,230 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Basement, Parking 277,344 SF; Open Office 262,948 SF; Industrial Engineering Building 21,116 SF; Industrial Light Manufacturing 5,246 SF (county building sections)

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

Permit history

2024-05-29: Remodel, declared value $30,000 (Complete), permit BLDG-2024-02788

2014-10-31: Remodel, declared value $240,000 (Screened), permit BLDG-2014-07629

2011-06-16: Remodel, declared value $23,000 (Complete), permit B100663

2009-04-16: Other, declared value $196,984 (Complete), permit B090067

2009-04-16: Other, declared value $164,152 (Complete), permit B090073

2008-10-13: Remodel, declared value $40,000 (Complete), permit B080601

2000-06-02: Other, declared value $7,886,120 (Complete), permit B000170

1999-10-25: Building, New, declared value $13,423,692 (Complete), permit B980275

1999-10-25: Building, New, declared value $8,000,827 (Complete), permit B980274

1999-10-25: Building, New, declared value $8,000,827 (Complete), permit B980273

Source: King County permit records (newest first).