421 Main Ave S, North Bend, WA 98045

Office · North Bend · Seattle-Bellevue metro, WA

Imagery suggests: single-story 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 AI estimate from public imagery; may be outdated.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 21 reachable office buildings in North Bend. Larger than 10% of office buildings in North Bend (median 3,828 SF), derived from assessor records.

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Building size: 1,546 SF, King County Assessor
Lot size: 14,375 SF, King County Assessor
Year built: 1985, King County Assessor
Stories: 1, King County Assessor
Predominant use: Therapeutic Massage Office, King County Assessor
Assessed value: $579,700, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $374.97/SF, derived from assessor records
Lot coverage: 11%, derived from assessor records
Vintage: 1980s vintage
Zoning: HDR, King County
County use code: Medical/Dental Office
Construction (observed): wood frame, 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.

133 E Park St, North Bend · 0.1 mi · 1,182 SF · built 1975 · assessed $424.96/SF
250 Bendigo Blvd S, North Bend · 0.2 mi · 840 SF · built 2014 · assessed $689.76/SF
209 Main Ave S, North Bend · 0.2 mi · 12,013 SF · built 1965 · assessed $198.57/SF
102 W North Bend Way, North Bend · 0.3 mi · 1,902 SF · built 1910 · assessed $300/SF
218 E North Bend Way, North Bend · 0.3 mi · 4,710 SF · built 1950 · assessed $221.68/SF
451 E North Bend Way, North Bend · 0.3 mi · 12,280 SF · built 1996

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Sale history and market context

MakeMe Estimate: $768,330 (estimated market value), with a likely range of $694,380 to $1,001,098 (half of recent verified sales in this segment landed inside that range). Based on 55 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Current ownership dates to 2014 (about 12 years) per recorded transfers.

2014-12-22: $560,000 from Private party to Private party (part of a 2-parcel sale; price is the whole deal), rec. 20141222001006

2006-09-07: transfer from Private party to Private party (non-market transfer), rec. 20060911000514

1983-02-14: $54,000 from Stow-Healy CO INC to Private party (part of a 3-parcel sale; price is the whole deal), rec. 198303020000

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 $541,100 (2011) to $579,700 (2026), up 7% over 15 years, per county tax rolls. The 2026 roll splits $579,700 into $323,400 land and $256,300 improvements.

Zoning: HDR (per King County)

Lot: 14,375 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Floor and use mix: Medical Office 1,546 SF (county building sections)

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