5600 14th Ave NW, Seattle, WA 98107

Office · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: single-story 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 AI estimate from public imagery; may be outdated.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 957 reachable office buildings in Seattle. Larger than 17% of office buildings in Seattle (median 20,410 SF), derived from assessor records.

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Building size: 4,112 SF, King County Assessor
Lot size: 5,100 SF, King County Assessor
Year built: 1951, King County Assessor
Stories: 1, King County Assessor
Predominant use: Office Building, King County Assessor
Assessed value: $1,976,300, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $480.62/SF, derived from assessor records
Lot coverage: 81%, derived from assessor records
Vintage: 1950s vintage
Zoning: NC2-55 (M), King County
County use code: Office Building
Construction (observed): wood frame, 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.

1448 NW Market St, Seattle · 0.1 mi · 279,102 SF · built 2019 · assessed $156.18/SF
5803 15th Ave NW, Seattle · 0.2 mi · 4,527 SF · built 1963 · assessed $568.50/SF
5101 14th Ave NW, Seattle · 0.3 mi · 23,173 SF · built 2019 · assessed $310.12/SF
5407 17th Ave NW, Seattle · 0.3 mi · 2,004 SF · built 1966 · assessed $515.37/SF
1429 NW 51st St, Seattle · 0.3 mi · 2,101 SF · built 1907 · assessed $428.18/SF
1515 NW 51st St, Seattle · 0.3 mi · 9,716 SF · built 1991 · assessed $224.83/SF

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Sale history and market context

MakeMe Estimate: $2,006,395 (estimated market value), with a likely range of $1,953,835 to $2,651,000 (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: 2017-05-22 for $1,650,000 (recorded arm's-length sale).

Current ownership dates to 2017 (about 9 years) per recorded transfers.

2017-05-22: $1,650,000 from Wulff Holdings LLC to Whitehead Company, rec. 20170523001584

2014-01-17: $899,500 from Private party to Wulff Holdings LLC, rec. 20140121001501

2 administrative transfers (no consideration), 2009 to 2009

1985-06-24: $92,500 from Private party to Private party, rec. 198509111002

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 $536,500 (2011) to $1,976,300 (2026), up 268% over 15 years, per county tax rolls. The 2026 roll splits $1,976,300 into $1,275,000 land and $701,300 improvements.

Zoning: NC2-55 (M) (per King County)

Lot: 5,100 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Open Office 4,112 SF (county building sections)

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

5600 14th Ave NW, Seattle, WA 98107

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Nearby comparable buildings

Sale history and market context

Value over time

Land, site, and value history

Taxes

Permit history