411 1st Ave S, Seattle, WA 98104

Office · Seattle · Seattle-Bellevue metro, WA

Imagery suggests: urban mixed-use building, 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 AI estimate from public imagery; may be outdated.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 81% of office buildings in Seattle (median 20,410 SF), derived from assessor records.

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Building size: 154,159 SF, King County Assessor
Lot size: 24,378 SF, King County Assessor
Year built: 1913, King County Assessor
Stories: 7, King County Assessor
Predominant use: Hambach - Seller Building, King County Assessor
Assessed value: $30,460,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $197.59/SF, derived from assessor records
Lot coverage: 632%, derived from assessor records
Vintage: pre-war vintage
Zoning: PSM 100/100-120, King County
County use code: Office Building
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): street only, 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.

76 S King St, Seattle · 0 mi · 224,714 SF · built 2017 · assessed $186.47/SF
100 S King St, Seattle · 0 mi · 73,260 SF · built 1907 · assessed $566.93/SF
101 S Jackson St, Seattle · 0 mi · 78,920 SF · built 1904 · assessed $353.86/SF
83 S King St, Seattle · 0 mi · 204,504 SF · built 1904 · assessed $171.43/SF
500 1st Ave S, Seattle · 0.1 mi · 87,885 SF · built 1910 · assessed $168.67/SF
311 1st Ave S, Seattle · 0.1 mi · 15,130 SF · built 1900 · assessed $169.17/SF

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Sale history and market context

MakeMe Estimate: $28,510,016 (estimated market value), with a likely range of $25,765,988 to $37,147,202 (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: 1996-12-31 for $20,125,000 (recorded arm's-length sale).

Current ownership dates to 2014 (about 12 years) per recorded transfers.

2014-02-12: $57,640,000 from Agnm Merrill Place LLC to Hudson Merrill Place LLC (part of a 4-parcel sale; price is the whole deal), rec. 20140212001140

2011-12-22: $675,962 from CR Acquisition LLC to Ag Core Plus III Merrill Place LLC (part of a 4-parcel sale; price is the whole deal), rec. 20111222001491

3 administrative transfers (no consideration), 2011 to 2011

2011-12-21: $23,933,674 from Jackson Square Investors INC to Ag Core Plus III Merill Place LLC (part of a 4-parcel sale; price is the whole deal), rec. 20111222001490

1996-12-31: $20,125,000 from R D Merrill Company the to Merrill Place LLC, rec. 199701021190

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 $13,916,000 (2011) to $30,460,000 (2026), up 119% over 15 years, per county tax rolls. The 2026 roll splits $30,460,000 into $10,970,100 land and $19,489,900 improvements.

Zoning: PSM 100/100-120 (per King County)

Lot: 24,378 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 128,012 SF; Basement, Semifinished 13,990 SF; Retail Store 12,157 SF (county building sections)

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

Permit history

2025-07-14: Remodel, declared value $45,000, permit 7096011-CN

2024-03-21: Remodel, declared value $119,000 (Screened), permit 6996121-CN

2023-10-11: Remodel, declared value $165,000 (Screened), permit 6983828-CN

2022-10-31: Remodel (Screened), permit 6894206-CN

2021-04-23: Remodel, declared value $205,000 (Complete), permit 6803383-CN

2021-01-11: Remodel, declared value $150,000 (Complete), permit 6802357-CN

2018-02-27: Remodel, declared value $200,000 (Screened), permit 6628594

2018-02-06: Remodel, declared value $160,000 (Screened), permit 6642401

2017-08-05: Remodel, declared value $102,000 (Screened), permit 6586296

2017-01-18: Remodel, declared value $600,000 (Complete), permit 6538555

Source: King County permit records (newest first).