325 9th Ave N, Seattle, WA 98170

Office · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: modern mixed-use, 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 AI estimate from public imagery; may be outdated.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 95% of office buildings in Seattle (median 20,410 SF), derived from assessor records.

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Building size: 480,702 SF, King County Assessor
Lot size: 42,480 SF, King County Assessor
Year built: 2014, King County Assessor
Stories: 12, King County Assessor
Predominant use: Office Building Amazon Apollo Bldg, King County Assessor
Assessed value: $110,139,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $229.12/SF, derived from assessor records
Lot coverage: 1132%, derived from assessor records
Vintage: 2010s vintage
Zoning: SM-SLU 175/85-280, King County
County use code: Office Building
Construction (observed): metal, AI estimate from public imagery
Parking (observed): none visible, 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.

300 8th Ave N, Seattle · 0 mi · 365,449 SF · built 2019 · assessed $213.10/SF
307 Westlake Ave N, Seattle · 0.1 mi · 162,200 SF · built 2003 · assessed $451.08/SF
903 Thomas St, Seattle · 0.1 mi · 254,218 SF · built 2018 · assessed $202.92/SF
333 8th Ave N, Seattle · 0.1 mi · 364,133 SF · built 2019 · assessed $111.53/SF
400 9th Ave N, Seattle · 0.1 mi · 483,397 SF · built 2014 · assessed $227.53/SF
320 Westlake Ave N, Seattle · 0.1 mi · 303,103 SF · built 2006 · assessed $247.82/SF

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Sale history and market context

MakeMe Estimate: $96,141,168 (estimated market value), with a likely range of $86,887,785 to $125,267,392 (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: 2019-12-23 for $270,100,000 (recorded arm's-length sale).

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

2019-12-23: $270,100,000 from Maps 325 Ninth Avenue North LLC to Usq Phase Eight LLC, rec. 20191227000877

2016-07-08: $246,700,000 from City Place VIII LLC to Maps 325 Ninth Avenue North LLC, rec. 20160708000771

2 administrative transfers (no consideration), 2013 to 2013

2000-05-31: $1,650,000 from Private party to City Investors VII LLC (part of a 3-parcel sale; price is the whole deal), rec. 20000531001693

1998-01-20: transfer from Private party to Private party (non-market transfer), rec. 199801300272

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 $2,461,000 (2011) to $110,139,000 (2026), up 4375% over 15 years, per county tax rolls. The 2026 roll splits $110,139,000 into $40,356,000 land and $69,783,000 improvements.

Zoning: SM-SLU 175/85-280 (per King County)

Lot: 42,480 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 307,106 SF; Parking Structure 163,260 SF; Restaurant, Table Service 5,699 SF; Retail Store 4,637 SF (county building sections)

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

Permit history

2025-09-03: Remodel, permit 7103211-BK

2025-05-15: Remodel, declared value $80,000 (Screened), permit 7083640-CN

2025-01-16: Remodel, declared value $15,000 (Screened), permit 7065547-CN

2024-09-12: Electrical, declared value $206,554 (Screened), permit 7045709-EL

2024-08-20: Electrical, declared value $350,000 (Screened), permit 7041877-EL

2024-07-08: Remodel, declared value $150,000 (Screened), permit 7024016-CN

2019-08-27: Remodel, declared value $800,900 (Complete), permit 6706389-CN

2017-01-06: Remodel, declared value $225,000 (Screened), permit 6574975

2015-08-31: Remodel, declared value $200,000 (Screened), permit 6467090

2015-06-08: Remodel, declared value $230,376 (Complete), permit 6462729

Source: King County permit records (newest first).