17855 1st Ave S, Normandy Park, WA 98148

Commercial · Normandy Park · Seattle-Bellevue metro, WA

Imagery suggests: single-tenant service commercial. 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 AI estimate from public imagery; may be outdated.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 7 reachable commercial buildings in Normandy Park.

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Building size: 9,195 SF, King County Assessor
Lot size: 74,347 SF, King County Assessor
Year built: 2001, King County Assessor
Stories: 1, King County Assessor
Predominant use: Day Care, King County Assessor
Assessed value: $2,358,500, per the King County Assessor (not a market appraisal)
Assessed value per building SF: $256.50/SF, derived from assessor records
Lot coverage: 12%, derived from assessor records
Vintage: 2000s vintage
Zoning: RM-1800, King County
County use code: Daycare Center
Construction (observed): masonry, AI estimate from public imagery
Parking (observed): surface lot, 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.

17623 1st Ave S, Normandy Park · 0.2 mi · 98,507 SF · built 1996 · assessed $129.66/SF
801 SW 174th St, Normandy Park · 0.5 mi · 19,460 SF · built 1953
17655 12th Ave SW, Normandy Park · 0.7 mi · 2,129 SF · built 1957 · assessed $441.90/SF
16625 1st Ave S, Normandy Park · 0.7 mi · 83,903 SF · built 2003 · assessed $145.88/SF
19800 4th Ave SW, Normandy Park · 1.2 mi · 1,556 SF · built 1961 · assessed $685.28/SF
19800 Marine View Dr SW, Normandy Park · 1.2 mi · 70,000 SF · built 2009

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Sale history and market context

MakeMe Estimate: $2,943,144 (estimated market value), with a likely range of $2,494,014 to $3,598,458 (half of recent verified sales in this segment landed inside that range). Based on 139 verified arm's-length comparable sales (through 2026-05-29). Not an appraisal. How this estimate works.

2014-08-15: transfer from Manhattan Plaza LLC to Top Flight Investments LLC (part of a 3-parcel sale; price is the whole deal), rec. 20140815000993

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 $1,655,100 (2011) to $2,358,500 (2026), up 42% over 15 years, per county tax rolls. The 2026 roll splits $2,358,500 into $1,226,700 land and $1,131,800 improvements.

Zoning: RM-1800 (per King County)

Lot: 74,347 sq ft

Water: Water District (per King County)

Sewer: Private Restricted (per King County)

Access: Public

Street surface: Paved

Floor and use mix: Day Care Center 9,195 SF (county building sections)

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

Permit history

2018-05-29: Electrical (Screened), permit E18-085

2018-05-21: Electrical (Screened), permit E18-069

2017-04-05: Electrical, declared value $150 (Screened), permit E17-027

2017-03-23: Other, declared value $3,650 (Screened), permit B17-011

2017-03-10: Electrical, declared value $500 (Screened), permit B17-003

2016-03-10: Electrical, declared value $500 (Screened), permit E17-014

2001-04-25: Other, declared value $800,000 (Complete), permit B00097

Source: King County permit records (newest first).