1055 NW Maple St, Issaquah, WA 98027

Office · Issaquah · Seattle-Bellevue metro, WA

Imagery suggests: modern office. 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 AI estimate from public imagery; may be outdated.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 79 reachable office buildings in Issaquah. Larger than 70% of office buildings in Issaquah (median 11,200 SF), derived from assessor records.

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Building size: 21,311 SF, King County Assessor
Lot size: 68,100 SF, King County Assessor
Year built: 1996, King County Assessor
Stories: 2, King County Assessor
Predominant use: Office Bldg, King County Assessor
Assessed value: $8,192,800, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $384.44/SF, derived from assessor records
Lot coverage: 31%, derived from assessor records
Vintage: 1990s vintage
Zoning: UC, 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): mid block, AI estimate from public imagery

Nearby comparable buildings

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

1180 NW Maple St, Issaquah · 0.1 mi · 152,444 SF · built 1999 · assessed $155.93/SF
1275 12th Ave NW, Issaquah · 0.2 mi · 10,180 SF · built 1965 · assessed $299.13/SF
1315 NW Mall St, Issaquah · 0.2 mi · 9,600 SF · built 1970 · assessed $349.39/SF
1400 NW Maple St, Issaquah · 0.2 mi · 1,448 SF · built 1969 · assessed $375/SF
1375 NW Mall St, Issaquah · 0.2 mi · 11,200 SF · built 1974 · assessed $317.66/SF
1445 NW Mall St, Issaquah · 0.3 mi · 11,200 SF · built 1977 · assessed $314.95/SF

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Sale history and market context

MakeMe Estimate: $9,819,116 (estimated market value), with a likely range of $9,561,892 to $12,973,758 (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: 2021-03-16 for $11,200,000 (recorded arm's-length sale).

Current ownership dates to 2021 (about 5 years) per recorded transfers.

2021-03-16: $11,200,000 from Swanby Investment Group LLC to DWP 1055 NW Maple Street LLC, rec. 20210318000961

2012-12-10: $4,145,000 from Opus Bank to Swanby Investment Group LLC, rec. 20121212002404

2005-08-19: transfer from Cascade Bank to Cascade Bank (non-market transfer), rec. 20050823000030

1995-07-13: $612,500 from Cwo/Tcep II Joint Venture I to Issaquah Bank (non-market transfer), rec. 199507141178

1982-06-30: transfer from Private party to Issaquah Land Partnership (part of a 4-parcel sale; price is the whole deal), rec. 198207010573

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 $5,021,200 (2011) to $8,192,800 (2026), up 63% over 15 years, per county tax rolls. The 2026 roll splits $8,192,800 into $3,405,000 land and $4,787,800 improvements.

Zoning: UC (per King County)

Lot: 68,100 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 19,445 SF; Storage Warehouse 1,866 SF (county building sections)

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

Permit history

2022-06-27: Plumbing, declared value $8,500 (Complete), permit PLM22-00093

2022-02-08: Remodel, declared value $900,000 (Complete), permit BLD21-00277

2014-02-10: Remodel, declared value $3,000,000 (Complete), permit BLD13-00375

2002-11-25: Building, New, declared value $1,300,000 (Complete), permit BLD02-00081

Source: King County permit records (newest first).