1200 6th Ave, Seattle, WA 98101

Office · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: ground-floor commercial, 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 AI estimate from public imagery; may be outdated.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 957 reachable office buildings in Seattle. Larger than 94% of office buildings in Seattle (median 20,410 SF), derived from assessor records.

Own this building?

Claim privately

Claiming is for you. Your mailing address is never shown; no offer reaches you unless you opt in.

Claimed owners can confirm facts, watch the estimate, and decide whether to reply.

Claim or manage this building

Building size: 457,439 SF, King County Assessor
Lot size: 23,700 SF, King County Assessor
Year built: 1971, King County Assessor
Stories: 21, King County Assessor
Predominant use: 1200 6th (Fmr. Park Place Office Bldg.), King County Assessor
Assessed value: $79,593,900, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $174/SF, derived from assessor records
Lot coverage: 1930%, derived from assessor records
Vintage: 1970s vintage
Zoning: DOC1 U/450/U, King County
County use code: Office Building
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): none visible, AI estimate from public imagery

Nearby comparable buildings

Same building type, by distance. Assessor facts only; not an opinion of value.

600 University St, Seattle · 0 mi · 796,463 SF · built 1980 · assessed $221.65/SF
601 Union St, Seattle · 0.1 mi · 1,607,844 SF · built 1989 · assessed $227.63/SF
1400 5th Ave, Seattle · 0.1 mi · 135,864 SF · built 1958 · assessed $175.55/SF
1420 5th Ave, Seattle · 0.1 mi · 1,545,072 SF · built 1989 · assessed $162.56/SF
400 Union St, Seattle · 0.2 mi · 30,525 SF · built 1928 · assessed $268.50/SF
1201 9th Ave, Seattle · 0.2 mi · 206,950 SF · built 1999 · assessed $515.26/SF

Want to talk to the owner? makeme1031 delivers a private, principal-to-principal letter to the owner of record. We never publish the owner's identity or address.

Sale history and market context

MakeMe Estimate: $68,322,483 (estimated market value), with a likely range of $61,746,590 to $89,020,962 (half of recent verified sales in this segment landed inside that range). Based on 12 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Last sold: 2007-11-29 for $115,830,000 (recorded arm's-length sale).

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

2019-10-31: $176,868,000 from WH Park Place LLC to Urg Park Place LLC (part of a 2-parcel sale; price is the whole deal), rec. 20191031001556

2007-11-29: $115,830,000 from Park Place IV LLC to Transwestern Park Place Seattle LLC, rec. 20071129000816

2005-10-20: $78,326,962 from Benaroya Capital Company LLC to Park Place IV LLC (part of a 2-parcel sale; price is the whole deal), rec. 20051020001645

2005-10-20: $3,502,292 from Benaroya Company LLC to Park Place IV LLC, rec. 20051020001646

1998-01-07: $1,850,000 from Private party to Benaroya CO LLC, rec. 199801090955

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 $64,961,000 (2011) to $79,593,900 (2026), up 23% over 15 years, per county tax rolls. The 2026 roll splits $79,593,900 into $37,150,300 land and $42,443,600 improvements.

Zoning: DOC1 U/450/U (per King County)

Lot: 23,700 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 355,384 SF; Underground Parking Structure 93,204 SF; Retail Store 1,070 SF (county building sections)

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

Permit history

2025-09-19: Remodel, permit 7105160-BK

2025-09-04: Remodel, permit 7098523-BK

2025-07-03: Remodel, declared value $150,000, permit 7086617-CN

2025-05-29: Remodel (Screened), permit 7083505-BK

2025-02-19: Remodel (Screened), permit 7067135-BK

2018-03-22: Remodel, declared value $130,900 (Screened), permit 6649178

2018-02-26: Remodel, declared value $900,000 (Screened), permit 6641293

2017-09-16: Remodel, declared value $753,000 (Screened), permit 6616668

2017-08-05: Remodel, declared value $294,542 (Screened), permit 6607954

2017-06-17: Remodel, declared value $366,207 (Screened), permit 6600497

Source: King County permit records (newest first).