18017 SE Renton Maple Valley Rd, Renton, WA 98058

Office · Renton · Seattle-Bellevue metro, WA

One of 227 reachable office buildings in Renton. Larger than 41% of office buildings in Renton (median 7,789 SF), derived from assessor records.

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Building size: 6,016 SF, King County Assessor
Lot size: 87,120 SF, King County Assessor
Year built: 1976, King County Assessor
Stories: 2, King County Assessor
Buildings on parcel: 3, King County Assessor
Predominant use: 2 Story Office, King County Assessor
Assessed value: $1,219,500, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $202.71/SF, derived from assessor records
Lot coverage: 7%, derived from assessor records
Vintage: 1970s vintage
Zoning: RA-5, King County
County use code: Office Building
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.

12811 164th Ave SE, Renton · 2 mi · 960 SF · built 2017 · assessed $524.27/SF
16436 SE 128th St, Renton · 2.1 mi · 1,176 SF · built 1969 · assessed $269.98/SF
18011 SE Renton Issaquah Rd, Renton · 2.4 mi · 1,200 SF · built 1957 · assessed $1,108/SF
14300 SE Petrovitsky Rd, Renton · 2.6 mi · 11,000 SF · built 1979 · assessed $260.91/SF
17250 140th Ave SE, Renton · 2.7 mi · 4,500 SF · built 1970 · assessed $410.71/SF
17314 140th Ave SE, Renton · 2.7 mi · 3,017 SF · built 1974 · assessed $410.71/SF

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Sale history and market context

MakeMe Estimate: $1,551,150 (estimated market value), with a likely range of $1,510,515 to $2,049,496 (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: 2006-04-27 for $1,150,000 (recorded arm's-length sale).

Current ownership dates to 2013 (about 13 years) per recorded transfers.

2013-01-15: $400,000 from Cit Small Business Lending Corporation to Maple Valley Developer LLC (non-market transfer), rec. 20130122002912

2012-04-26: $384,000 from MN Service Corporation to Cit Small Business Lending Corporation (non-market transfer), rec. 20120507001257

2006-04-27: $1,150,000 from Lake Kathleen LLC to Bulwark Construction INC, rec. 20060428003324

2004-10-04: transfer from Private party to Lake Kathleen LLC (part of a 7-parcel sale; price is the whole deal), rec.

1998-10-27: $298,819 from Private party to Private party (non-market transfer), rec. 199810303306

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 $869,900 (2011) to $1,219,500 (2026), up 40% over 15 years, per county tax rolls. The 2026 roll splits $1,219,500 into $531,400 land and $688,100 improvements.

Zoning: RA-5 (per King County)

Lot: 87,120 sq ft

Water: Water District (per King County)

Sewer: Public (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Garage, Storage 2,541 SF; Office Building 1,860 SF; Equipment (Shop) Building 840 SF; Equipment Shed 775 SF (county building sections)

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