1610 20th St NW, Auburn, WA 98001

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

Imagery suggests: big-box 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 AI estimate from public imagery; may be outdated.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 86% of small-bay industrial buildings in Auburn (median 18,750 SF), derived from assessor records.

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Building size: 96,198 SF, King County Assessor
Lot size: 138,521 SF, King County Assessor
Year built: 1999, King County Assessor
Stories: 4, King County Assessor
Predominant use: Aero Controls Inc, King County Assessor
Assessed value: $17,605,100, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $183.01/SF, derived from assessor records
Lot coverage: 69%, derived from assessor records
Vintage: 1990s vintage
Zoning: M1, King County
County use code: Industrial(Lignt)
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.

1807 Pike St NW, Auburn · 0 mi · 10,648 SF · built 2007 · assessed $188.10/SF
2001 R St NW, Auburn · 0.1 mi · 7,224 SF · built 1985 · assessed $122.08/SF
1502 20th St NW, Auburn · 0.1 mi · 51,176 SF · built 1981 · assessed $138.10/SF
1805 Pike St NW, Auburn · 0.1 mi · 11,360 SF · built 2007 · assessed $202.55/SF
1701 Pike St NW, Auburn · 0.1 mi · 125,613 SF · built 1987 · assessed $195.44/SF
1531 20th St NW, Auburn · 0.1 mi · 8,329 SF · built 1987 · assessed $193.76/SF

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Sale history and market context

MakeMe Estimate: $21,137,965 (estimated market value), with a likely range of $16,338,034 to $21,349,344 (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.

Last sold: 1997-06-05 for $460,000 (recorded arm's-length sale).

Current ownership dates to 1997 (about 29 years) per recorded transfers.

1997-06-05: $460,000 from Api Associates to Rainier View Properties LLC, rec. 199706241696

1993-11-01: $623,313 from Private party to Private party (part of a 3-parcel sale; price is the whole deal), rec. 199311040713

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 $6,327,600 (2011) to $17,605,100 (2026), up 178% over 15 years, per county tax rolls. The 2026 roll splits $17,605,100 into $1,874,600 land and $15,730,500 improvements.

Zoning: M1 (per King County)

Lot: 138,521 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Industrial Engineering Building 70,098 SF; Office Building 26,100 SF (county building sections)

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

Permit history

2023-02-08: Other, declared value $90,000 (Complete), permit TEN19-0210

2023-02-08: Other (Complete), permit MEC20-0017

2001-02-07: Other, declared value $39,000 (Complete), permit FIR010011

2000-12-15: Other, declared value $495,000 (Complete), permit ALT000131

1998-12-11: Other, declared value $6,456,206 (Complete), permit BLD021998

Source: King County permit records (newest first).