3422 1st Ave S, Seattle, WA 98134

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

Imagery suggests: large industrial 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 AI estimate from public imagery; may be outdated.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 1,229 reachable small-bay industrial buildings in Seattle. Larger than 67% of small-bay industrial buildings in Seattle (median 14,469 SF), derived from assessor records.

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Building size: 22,800 SF, King County Assessor
Lot size: 88,920 SF, King County Assessor
Year built: 1986, King County Assessor
Stories: 2, King County Assessor
Buildings on parcel: 2, King County Assessor
Predominant use: Industrial, Mfg, King County Assessor
Assessed value: $12,276,700, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $538.45/SF, derived from assessor records
Lot coverage: 26%, derived from assessor records
Vintage: 1980s vintage
Zoning: MML U/85, King County
County use code: Industrial(Heavy)
Construction (observed): metal, AI estimate from public imagery
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.

3408 1st Ave S, Seattle · 0 mi · 25,800 SF · built 1921 · assessed $311.20/SF
3434 1st Ave S, Seattle · 0 mi · 16,800 SF · built 1964 · assessed $263.68/SF
126 S Spokane St, Seattle · 0.1 mi · 10,677 SF · built 1974 · assessed $231.31/SF
132 S Spokane St, Seattle · 0.1 mi · 7,920 SF · built 1948
145 S Horton St, Seattle · 0.1 mi · 18,189 SF · built 1917 · assessed $291.35/SF
3417 1st Ave S, Seattle · 0.1 mi · 46,804 SF · built 1969 · assessed $267.12/SF

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Sale history and market context

MakeMe Estimate: $15,444,309 (estimated market value), with a likely range of $11,937,273 to $15,598,752 (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: 2016-07-19 for $4,510,000 (recorded arm's-length sale).

Current ownership dates to 2018 (about 8 years) per recorded transfers.

2018-01-05: $4,333,051 from JH Kelly LLC to Ef Seattle Holdings LLC (non-market transfer), rec. 20180105001302

2016-07-19: $4,510,000 from Preferred Machine and Tool Products Corp to JH Kelly LLC, rec. 20160722001764

2011-06-10: $2,150,000 from Enterprises Northwest INC to Preferred Machine & Tool Products Corporation, rec. 20110613000913

1983-02-25: $525,000 from Iowa Manufacturing Company Ced to Casting Northwest Corporation, rec. 198303180119

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 $3,836,700 (2011) to $12,276,700 (2026), up 220% over 15 years, per county tax rolls. The 2026 roll splits $12,276,700 into $7,558,200 land and $4,718,500 improvements.

Zoning: MML U/85 (per King County)

Lot: 88,920 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Floor and use mix: Storage Warehouse 13,000 SF; Office Building 9,800 SF (county building sections)

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

Permit history

2023-07-26: Other, declared value $15,000 (Screened), permit 6977521-RF

2023-07-26: Electrical, declared value $5,000 (Screened), permit 6977535-EL

2023-07-11: Electrical, declared value $24,000 (Complete), permit 6974722-EL

2023-07-05: Remodel, declared value $130,000 (Complete), permit 6973670-CN

2019-05-17: Remodel, declared value $390,000 (Complete), permit 6693845-CN

2019-04-23: Building, New, declared value $1,549,103 (Complete), permit 6683433-CN

2014-10-14: Other (Complete), permit 6419100

2013-10-02: Demolition (Complete), permit 6351383

2010-07-21: Demolition (Complete), permit 6255480

Source: King County permit records (newest first).