4300 Talbot Rd S, Renton, WA 98055

Office · Renton · Seattle-Bellevue metro, WA

Imagery suggests: single-story office. 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 AI estimate from public imagery; may be outdated.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 76% of office buildings in Renton (median 7,789 SF), derived from assessor records.

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Building size: 27,962 SF, King County Assessor
Lot size: 108,900 SF, King County Assessor
Year built: 1970, King County Assessor
Stories: 1, King County Assessor
Buildings on parcel: 3, King County Assessor
Predominant use: Medical Office, King County Assessor
Assessed value: $9,471,000, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $338.71/SF, derived from assessor records
Lot coverage: 26%, derived from assessor records
Vintage: 1970s vintage
Zoning: CO, King County
County use code: Medical/Dental Office
Construction (observed): masonry, 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.

4300 Talbot Rd S, Renton · 0 mi · 8,064 SF · built 1978 · assessed $399.78/SF
401 S 43rd St, Renton · 0.1 mi · 11,880 SF · built 1977
17930 Talbot Rd S, Renton · 0.1 mi · 4,689 SF · built 1979 · assessed $260.10/SF
4361 Talbot Rd S, Renton · 0.1 mi · 11,430 SF · built 1982
17910 Talbot Rd S, Renton · 0.1 mi · 26,812 SF · built 1989
4512 Talbot Rd S, Renton · 0.1 mi · 6,082 SF · built 1988 · assessed $289.16/SF

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Sale history and market context

MakeMe Estimate: $10,292,863 (estimated market value), with a likely range of $9,302,197 to $13,411,113 (half of recent verified sales in this segment landed inside that range). Based on 55 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

Last sold: 1992-06-08 for $205,254 (recorded arm's-length sale).

Current ownership dates to 2017 (about 9 years) per recorded transfers.

2017-12-18: $8,800,000 from Valley Medical Dental LLC to HR Acquisition I Corporation (part of a 2-parcel sale; price is the whole deal), rec. 20171219001236

2015-06-15: $5,050,000 from Private party to Valley Medical Dental LLC (part of a 2-parcel sale; price is the whole deal), rec. 20150619001222

2 administrative transfers (no consideration), 2007 to 2012

2001-07-26: $3,500 from Private party to Private party (non-market transfer), rec. 20010829001759

1992-06-08: $205,254 from Private party to Springbrook Lands Partnership, rec. 199206081750

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 $4,133,100 (2011) to $9,471,000 (2026), up 129% over 15 years, per county tax rolls. The 2026 roll splits $9,471,000 into $2,613,600 land and $6,857,400 improvements.

Zoning: CO (per King County)

Lot: 108,900 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Medical Office 25,082 SF; Basement, Unfinished 2,880 SF (county building sections)

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

Permit history

2025-10-29: Plumbing, declared value $20,016, permit P25005532

2023-12-27: Electrical, declared value $3,000 (Complete), permit E23006336

2023-03-09: Electrical, declared value $300 (Complete), permit E23001260

2023-01-19: Electrical, declared value $1,500 (Complete), permit E23000336

2021-04-07: Plumbing, declared value $1,500 (Complete), permit P21001469

2021-03-06: Remodel, declared value $115,202 (Complete), permit B21000710

2019-12-26: Electrical, declared value $1,500 (Complete), permit E19006737

2019-10-25: Sign, declared value $1,456 (Complete), permit S19005592

2019-03-29: Electrical, declared value $1,100 (Screened), permit E19001616

2017-02-22: Electrical, declared value $5,000 (Screened), permit E17000815

Source: King County permit records (newest first).