707 S Grady Way, Renton, WA 98057

Office · Renton · Seattle-Bellevue metro, WA

Imagery suggests: mid-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 AI estimate from public imagery; may be outdated.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 227 reachable office buildings in Renton. Larger than 93% of office buildings in Renton (median 7,789 SF), derived from assessor records.

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Building size: 142,631 SF, King County Assessor
Lot size: 319,658 SF, King County Assessor
Year built: 1986, King County Assessor
Stories: 7, King County Assessor
Predominant use: Office Bldg, King County Assessor
Assessed value: $17,421,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $122.14/SF, derived from assessor records
Lot coverage: 45%, derived from assessor records
Vintage: 1980s vintage
Zoning: CO, King County
County use code: Office Building
Construction (observed): steel glass, 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.

700 S Renton Village Pl, Renton · 0.1 mi · 143,068 SF · built 1986 · assessed $126.30/SF
355 S Grady Way, Renton · 0.2 mi · 4,911 SF · built 2006 · assessed $475.48/SF
555 S Renton Village Pl, Renton · 0.2 mi · 142,669 SF · built 1980 · assessed $121.30/SF
636 Shattuck Ave S, Renton · 0.2 mi · 2,028 SF · built 1948 · assessed $439.99/SF
15 S Grady Way, Renton · 0.3 mi · 94,528 SF · built 1969 · assessed $184.18/SF
1055 S Grady Way, Renton · 0.3 mi · 261,240 SF · built 1987

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Sale history and market context

MakeMe Estimate: $21,691,459 (estimated market value), with a likely range of $21,123,225 to $28,660,395 (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: 2019-12-17 for $25,697,680 (recorded arm's-length sale).

Current ownership dates to 2022 (about 4 years) per recorded transfers.

2024-11-04: $228,500 from Neptune III TT LLC+Neptune III LL LLC to King County, rec. 20250218000773

2022-03-23: transfer from Cre-WPL Triton Owner III LLC to Neptune III TT LLC (non-market transfer), rec. 20220325000971

2019-12-17: $25,697,680 from Triton Towers Acquisitions Partners LLC to Cre-WPL Triton Owner III LLC, rec. 20191219000576

2014-04-29: $59,962,790 from Renton Properties LLC to Triton Towers Acquisition Partners LLC (part of a 3-parcel sale; price is the whole deal), rec. 20140429001148

2001-09-26: $75,000 from Renton Properties LLC to Rva Center LLC (part of a 2-parcel sale; price is the whole deal), rec. 20010927001007

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 $18,080,000 (2011) to $17,421,000 (2026), down 4% over 15 years, per county tax rolls. The 2026 roll splits $17,421,000 into $8,630,700 land and $8,790,300 improvements.

Zoning: CO (per King County)

Lot: 319,658 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Office Building 142,631 SF (county building sections)

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

Permit history

2026-02-12: Remodel, declared value $235,000, permit B26000424

2025-11-18: Remodel, declared value $85,000, permit B25005166

2024-10-11: Remodel, declared value $155,000 (Screened), permit B24004885

2024-09-09: Remodel, declared value $150,000 (Screened), permit B24004010

2024-08-08: Remodel, declared value $20,000 (Screened), permit B24000312

2024-07-09: Remodel, declared value $275,000 (Screened), permit B24002593

2023-04-04: Remodel, declared value $25,000 (Screened), permit B23001504

2021-10-08: Electrical, declared value $10,000 (Screened), permit E21004901

2020-10-27: Electrical, declared value $1,500 (Screened), permit E20004918

2020-10-14: Plumbing, declared value $5,454 (Screened), permit P20004736

Source: King County permit records (newest first).