512 6th St S, Kirkland, WA 98033

Office · Kirkland · Seattle-Bellevue metro, WA

Imagery suggests: low-rise 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 AI estimate from public imagery; may be outdated.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 146 reachable office buildings in Kirkland. Larger than 35% of office buildings in Kirkland (median 13,229 SF), derived from assessor records.

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Building size
6,802 SF, King County Assessor
Lot size
15,813 SF, King County Assessor
Year built
1992, King County Assessor
Stories
2, King County Assessor
Predominant use
Office Bldg, King County Assessor
Assessed value
$2,264,700, per the King County Assessor (not a market appraisal)
Assessed value per building SF
$332.95/SF, derived from assessor records
Lot coverage
43%, derived from assessor records
Vintage
1990s vintage
Zoning
PR 5.0, 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
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.

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Sale history and market context

MakeMe Estimate: $3,313,372 (estimated market value), with a likely range of $3,226,575 to $4,377,878 (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: 2010-09-20 for $1,625,000 (recorded arm's-length sale).

Current ownership dates to 2019 (about 7 years) per recorded transfers.

Source: King County recorded sales extract; buyer and seller shown only when a company or organization. Individual names are withheld.

Value over time

$1.2M$2.4M$3.6M$4.8M201120142017202020232026County appraised valueEstimated value (modeled range)

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 $1,461,300 (2011) to $2,264,700 (2026), up 55% over 15 years, per county tax rolls. The 2026 roll splits $2,264,700 into $1,581,300 land and $683,400 improvements.

Taxes