4620 B St NW, Auburn, WA 98001

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

Imagery suggests: large warehouse. 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 AI estimate from public imagery; may be outdated.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 426 reachable small-bay industrial buildings in Auburn. Larger than 82% of small-bay industrial buildings in Auburn (median 18,750 SF), derived from assessor records.

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Building size: 65,725 SF, King County Assessor
Lot size: 134,600 SF, King County Assessor
Year built: 1995, King County Assessor
Stories: 1, King County Assessor
Predominant use: Manufacturing/Warehouse, King County Assessor
Assessed value: $12,614,500, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $191.93/SF, derived from assessor records
Lot coverage: 49%, derived from assessor records
Vintage: 1990s vintage
Zoning: M1, King County
County use code: Industrial(Gen Purpose)
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.

4520 B St NW, Auburn · 0.1 mi · 52,530 SF · built 1997 · assessed $186.39/SF
4530 B St NW, Auburn · 0.1 mi · 39,300 SF · built 1997 · assessed $188.69/SF
4510 B St NW, Auburn · 0.1 mi · 52,220 SF · built 1993 · assessed $190.03/SF
4710 B St NW, Auburn · 0.1 mi · 39,200 SF · built 2002 · assessed $202.54/SF
4502 B St NW, Auburn · 0.1 mi · 37,788 SF · built 1997 · assessed $188.42/SF
104 49th St NW, Auburn · 0.1 mi · 20,640 SF · built 2006 · assessed $205.20/SF

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Sale history and market context

MakeMe Estimate: $16,142,414 (estimated market value), with a likely range of $11,335,872 to $17,877,739 (half of recent verified sales in this segment landed inside that range). Based on 86 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Last sold: 2025-11-21 for $13,400,000 (recorded arm's-length sale).

Current ownership dates to 2025 per recorded transfers.

2025-11-21: $13,400,000 from Civf VI Wa1m01 LLC to Trea Auburn B Street NW LLC, rec. 20251125000147

2020-05-20: $10,500,000 from Private party to Civf VI Wa1m01 LLC, rec. 20200529001436

2013-07-30: $5,675,000 from East Park North LLC to Em Property Holdings LLC, rec. 20130802002096

2012-02-01: $4,300,000 from Green River Leasing II LP to East Park North LLC, rec. 20120201000802

1995-12-29: transfer from Private party to Green River Leasing II LP (non-market transfer), rec. 199512291721

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 $3,856,600 (2011) to $12,614,500 (2026), up 227% over 15 years, per county tax rolls. The 2026 roll splits $12,614,500 into $2,288,200 land and $10,326,300 improvements.

Zoning: M1 (per King County)

Lot: 134,600 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Storage Warehouse 58,405 SF; Warehouse Office 7,320 SF (county building sections)

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

Permit history

2026-03-10: Other, declared value $28,571, permit TEN26-0026

2023-07-10: Other (Complete), permit PLM23-0043

2023-03-08: Other (Complete), permit TEN23-0015

2022-06-13: Other (Screened), permit MEC22-0349

2022-04-28: Other, declared value $2,500 (Screened), permit SGN22-0014

2022-02-07: Other (Screened), permit PLM22-0006

2022-02-02: Other, declared value $5,377 (Screened), permit SGN21-0060

2022-01-01: Other, declared value $6,187 (Screened), permit TEN22-0014

2021-11-12: Other (Screened), permit MEC21-0730

2021-10-01: Other, declared value $500,000 (Complete), permit TEN21-0153

Source: King County permit records (newest first).